diff --git a/docs/assets/hero/astronaut.webp b/docs/assets/hero/astronaut.webp new file mode 100644 index 000000000..be217537f Binary files /dev/null and b/docs/assets/hero/astronaut.webp differ diff --git a/docs/assets/hero/ground.webp b/docs/assets/hero/ground.webp new file mode 100644 index 000000000..28c9e3371 Binary files /dev/null and b/docs/assets/hero/ground.webp differ diff --git a/docs/index.html b/docs/index.html index 0e842b6dd..ea4511df0 100644 --- a/docs/index.html +++ b/docs/index.html @@ -1,337 +1,522 @@ - -
- - -
-
-
-
- - - - - 初识算法 - - - - 复杂度 - - - - 数组与链表 - - - - 栈与队列 - - - - 哈希表 - - - - 树 - - - - 堆 - - - - 图 - - - - 搜索 - - - - 排序 - - - - 分治 - - - - 回溯 - - - - 动态规划 - - - - 贪心 - -
- - -
- -
-

- 动画图解、一键运行的数据结构与算法教程 -

- - - - - 开始阅读 - - - - - - - GitHub - -
- -
- - - -
-
+ + + +
+
+
+
+
+
+ + + + + + 初识算法 + + + + + + 复杂度 + + + + + + 数组与链表 + + + + + + 栈与队列 + + + + + + 哈希表 + + + + + + 树 + + + + + + 堆 + + + + + + 图 + + + + + + 搜索 + + + + + + 排序 + + + + + + 分治 + + + + + + 回溯 + + + + + + 动态规划 + + + + + + 贪心 + + +
+
+ +
+

+ 动画图解、一键运行的数据结构与算法教程 +

+ + + + + + + + 开始阅读 + + + + + + + + + GitHub + + +
+
+ + + + +
+
- - -
-
-
- - - - - -
- -
- Cover -
- 了解纸质书 - - - -
- -
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- -
- -
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- 在线阅读 - - - -
- -
-
- - -
- 下载 PDF/EPUB - - - -
- -
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500 幅动画图解、14 种编程语言代码、3000 条社区问答，助你快速入门数据结构与算法

-
+
+
+
+
+ +
+
+ Cover + +
+ + 了解纸质书 + + + + + +
+ +
+
+ +
+
+ + +
+
+
+ + 在线阅读 + + + + + +
+ +
+
+ + + +
+ + 下载 PDF/EPUB + + + + + +
+ +
+
+

+ 500 幅动画图解、14 种编程语言代码、3000 条社区问答，助你快速入门数据结构与算法 +

+
- - -
-
-

推荐语

-
-
-

“一本通俗易懂的数据结构与算法入门书，引导读者手脑并用地学习，强烈推荐算法初学者阅读。”

-

—— 邓俊辉，清华大学计算机系教授

-
-
-

“如果我当年学数据结构与算法的时候有《Hello 算法》，学起来应该会简单 10 倍！”

-

—— 李沐，亚马逊资深首席科学家

-
-
-
+
+
+

+ 推荐语 +

+
+
+

+ “一本通俗易懂的数据结构与算法入门书，引导读者手脑并用地学习，强烈推荐算法初学者阅读。” +

+

+ —— 邓俊辉，清华大学计算机系教授 +

+
+
+

+ “如果我当年学数据结构与算法的时候有《Hello 算法》，学起来应该会简单 10 倍！” +

+

+ —— 李沐，亚马逊资深首席科学家 +

+
+
+
- - -
-
-
-
-
-
- - - -

动画图解

-
-

内容清晰易懂，学习曲线平滑

-

"A picture is worth a thousand words."
“一图胜千言”

-
-
- -
- -
- -
-
-
- - - -

一键运行

-
-

十余种编程语言，代码可视化运行

-

"Talk is cheap. Show me the code."
“少吹牛，看代码”

-
-
-
- -
-
-
-
- - - -

互助学习

-
-

欢迎讨论与提问，读者间携手共进

-

"Learning by teaching."
“教学相长”

-
-
- -
- +
+
+
+
+
+
+ + + + +

+ 动画图解 +

+
+

+ 内容清晰易懂，学习曲线平滑 +

+

+ "A picture is worth a thousand words." +
+ “一图胜千言” +

-
- - -
-
- -
-

作者

-
-
- - Author: yudongjin -
靳宇栋（@krahets） - -
-
-
- - - - - -
-

贡献者

-

本书在开源社区 200 多位贡献者的共同努力下不断完善，感谢他们付出的时间与精力！

- - Contributors - -
+
+ + +
+
+ + +
+
+
+ + + + +

+ 一键运行 +

+
+

+ 十余种编程语言，代码可视化运行 +

+

+ "Talk is cheap. Show me the code." +
+ “少吹牛，看代码” +

+
+
+
+
+
+
+ + + + +

+ 互助学习 +

+
+

+ 欢迎讨论与提问，读者间携手共进 +

+

+ "Learning by teaching." +
+ “教学相长” +

+
+
+ + +
+
+
+
+
+

+ 作者 +

+
+
+ + Author: yudongjin +
+ + 靳宇栋（@krahets） + + +
+
+
+ +
+

+ 贡献者 +

+

+ 本书在开源社区 200 多位贡献者的共同努力下不断完善，感谢他们付出的时间与精力！ +

+ + Contributors + +
+
+
+ + diff --git a/en/docs/assets/hero/astronaut.webp b/en/docs/assets/hero/astronaut.webp new file mode 100644 index 000000000..be217537f Binary files /dev/null and b/en/docs/assets/hero/astronaut.webp differ diff --git a/en/docs/assets/hero/ground.webp b/en/docs/assets/hero/ground.webp new file mode 100644 index 000000000..28c9e3371 Binary files /dev/null and b/en/docs/assets/hero/ground.webp differ diff --git a/en/docs/index.html b/en/docs/index.html index 0ca0712c4..59d13c12e 100644 --- a/en/docs/index.html +++ b/en/docs/index.html @@ -1,324 +1,497 @@ - -
- - -
-
-
-
- - - - - Getting to know algorithms - - - - Complexity - - - - Arrays and linked lists - - - - Stacks and queues - - - - Hash tables - - - - Trees - - - - Heaps - - - - Graphs - - - - Searching - - - - Sorting - - - - Divide and conquer - - - - Backtracking - - - - Dynamic programming - - - - Greedy algorithms - -
- - -
- -
-

- A data structures and algorithms tutorial with animated illustrations and code you can run with one click -

- - - - - Start reading - - - - - - - GitHub - -
- -
- - - -
-
+ + + +
+
+
+
+
+
+ + + + + + Getting to know algorithms + + + + + + Complexity + + + + + + Arrays and linked lists + + + + + + Stacks and queues + + + + + + Hash tables + + + + + + Trees + + + + + + Heaps + + + + + + Graphs + + + + + + Searching + + + + + + Sorting + + + + + + Divide and conquer + + + + + + Backtracking + + + + + + Dynamic programming + + + + + + Greedy algorithms + + +
+
+ +
+

+ A data structures and algorithms tutorial with animated illustrations and code you can run with one click +

+ + + + + + + + Start reading + + + + + + + + + GitHub + + +
+
+ + + + +
+
- - -
-
-
- - - - -
- -
- The English web edition -
-
- Read online - - - -
- -
-
- - Cover of the published English PDF, version 1.3.0 -
- Download PDF/EPUB - - - -
- -
-
-

Get started with data structures and algorithms through 500 animated illustrations, code in 14 programming languages, and 3,000 community questions and answers

-
+
+
+
+
+ +
+
+ Web reading on a computer and phone + +
+
+
+ + Read online + + + + + +
+ +
+
+ + PDF reading on a tablet + +
+ + Download PDF/EPUB + + + + + +
+ +
+
+

+ Get started with data structures and algorithms through 500 animated illustrations, code in 14 programming languages, and 3,000 community questions and answers +

+
- - -
-
-

Endorsements

-
-
-

“An accessible introduction to data structures and algorithms that encourages readers to learn by thinking and doing. Highly recommended for anyone new to algorithms.”

-

— Junhui Deng, Professor, Department of Computer Science, Tsinghua University

-
-
-

“If I had had Hello Algo when I was learning data structures and algorithms, it would have been ten times easier!”

-

— Mu Li, Senior Principal Scientist, Amazon

-
-
-
+
+
+

+ Endorsements +

+
+
+

+ “An accessible introduction to data structures and algorithms that encourages readers to learn by thinking and doing. Highly recommended for anyone new to algorithms.” +

+

+ — Junhui Deng, Professor, Department of Computer Science, Tsinghua University +

+
+
+

+ “If I had had Hello Algo when I was learning data structures and algorithms, it would have been ten times easier!” +

+

+ — Mu Li, Senior Principal Scientist, Amazon +

+
+
+
- - -
-
-
-
-
-
- - - -

Animated illustrations

-
-

Clear explanations and a gradual learning curve

-

"A picture is worth a thousand words."

-
-
- -
- -
- -
-
-
- - - -

Run code with one click

-
-

Code in more than ten programming languages, with execution visualizations

-

"Talk is cheap. Show me the code."

-
-
-
- -
-
-
-
- - - -

Learn together

-
-

Ask questions, join discussions, and learn with fellow readers

-

"Learning by teaching."

-
-
- -
- +
+
+
+
+
+
+ + + + +

+ Animated illustrations +

+
+

+ Clear explanations and a gradual learning curve +

+

+ "A picture is worth a thousand words." +

-
- - -
-
- -
-

Author

-
-
- - Author: yudongjin -
Yudong Jin (@krahets) - -
-
-
- - -
-

Code reviewers

-

The developers below worked together on the code in different programming languages. Thank you for your efforts and contributions!

-
-
- - Reviewer: coderonion -
coderonion -
Zig, Rust - -
-
- - Reviewer: curtishd -
curtishd -
Kotlin - -
-
- - Reviewer: Gonglja -
Gonglja -
C, C++ - -
-
- - Reviewer: gvenusleo -
gvenusleo -
Dart - -
-
- - Reviewer: hpstory -
hpstory -
C# - -
-
- - Reviewer: justin-tse -
justin-tse -
JS, TS - -
-
- - Reviewer: khoaxuantu -
khoaxuantu -
Ruby - -
-
- - Reviewer: krahets -
krahets -
Python, Java - -
-
- - Reviewer: night-cruise -
night-cruise -
Rust - -
-
- - Reviewer: nuomi1 -
nuomi1 -
Swift - -
-
- - Reviewer: Reanon -
Reanon -
Go, C - -
-
- - Reviewer: rongyi -
rongyi -
Rust - -
-
-
- - -
-

Contributors

-

More than 200 open-source contributors have helped improve this book. Thank you for your time and effort!

- - Contributors - -
+
+ + +
+
+ + +
+
+
+ + + + +

+ Run code with one click +

+
+

+ Code in more than ten programming languages, with execution visualizations +

+

+ "Talk is cheap. Show me the code." +

+
+
+
+
+
+
+ + + + +

+ Learn together +

+
+

+ Ask questions, join discussions, and learn with fellow readers +

+

+ "Learning by teaching." +

+
+
+ + +
+
+
+
+
+

+ Author +

+
+
+ + Author: yudongjin +
+ + Yudong Jin (@krahets) + + +
+
+
+ +
+

+ Contributors +

+

+ More than 200 open-source contributors have helped improve this book. Thank you for your time and effort! +

+ + Contributors + +
+
+
+ + diff --git a/ja/docs/assets/hero/astronaut.webp b/ja/docs/assets/hero/astronaut.webp new file mode 100644 index 000000000..be217537f Binary files /dev/null and b/ja/docs/assets/hero/astronaut.webp differ diff --git a/ja/docs/assets/hero/ground.webp b/ja/docs/assets/hero/ground.webp new file mode 100644 index 000000000..28c9e3371 Binary files /dev/null and b/ja/docs/assets/hero/ground.webp differ diff --git a/ja/docs/index.html b/ja/docs/index.html index b79e3a32c..fa8666841 100644 --- a/ja/docs/index.html +++ b/ja/docs/index.html @@ -1,326 +1,506 @@ - -
- - -
-
-
-
- - - - - アルゴリズム入門 - - - - 計算量 - - - - 配列と連結リスト - - - - スタックとキュー - - - - ハッシュテーブル - - - - 木 - - - - ヒープ - - - - グラフ - - - - 探索 - - - - ソート - - - - 分割統治 - - - - バックトラッキング - - - - 動的計画法 - - - - 貪欲法 - -
- - -
- -
-

- アニメーションによる図解とワンクリックで実行できるコードで学ぶ、データ構造とアルゴリズムの入門書 -

- - - - - 読み始める - - - - - - - GitHub - -
- -
- - - -
-
+ + + +
+
+
+
+
+
+ + + + + + アルゴリズム入門 + + + + + + 計算量 + + + + + + 配列と連結リスト + + + + + + スタックとキュー + + + + + + ハッシュテーブル + + + + + + 木 + + + + + + ヒープ + + + + + + グラフ + + + + + + 探索 + + + + + + ソート + + + + + + 分割統治 + + + + + + バックトラッキング + + + + + + 動的計画法 + + + + + + 貪欲法 + + +
+
+ +
+

+ アニメーションによる図解とワンクリックで実行できるコードで学ぶ、データ構造とアルゴリズムの入門書 +

+ + + + + + + + 読み始める + + + + + + + + + GitHub + + +
+
+ + + + +
+
- - -
-
-
- - - - - -
- -
- -
-
- オンラインで読む - - - -
- -
-
- - -
- 既存の PDF/EPUB を確認 - - - -
- -
-
-

日本語版はオンラインで公開しています。ダウンロード先には既存の各言語版が掲載されており、今回の公開に伴う新たな日本語 PDF/EPUB の配布はありません。

-

500 点のアニメーション図解、14 種類のプログラミング言語のコード、コミュニティでの 3000 件の質問と回答が、データ構造とアルゴリズムの入門を支えます。

-
+
+
+
+
+ +
+
+ + +
+
+
+ + オンラインで読む + + + + + +
+ +
+
+ + + +
+ + 既存の PDF/EPUB を確認 + + + + + +
+ +
+
+

+ 日本語版はオンラインで公開しています。ダウンロード先には既存の各言語版が掲載されており、今回の公開に伴う新たな日本語 PDF/EPUB の配布はありません。 +

+

+ 500 点のアニメーション図解、14 種類のプログラミング言語のコード、コミュニティでの 3000 件の質問と回答が、データ構造とアルゴリズムの入門を支えます。 +

+
- - -
-
-

推薦の言葉

-
-
-

「手を動かし、考えながら学べる、わかりやすいデータ構造とアルゴリズムの入門書です。アルゴリズムを初めて学ぶ方に、ぜひおすすめします。」

-

—— 邓俊辉、清華大学コンピュータ科学系教授

-
-
-

「私がデータ構造とアルゴリズムを学んでいた頃に『Hello Algo』があれば、学ぶのが 10 倍楽になっていたでしょう！」

-

—— 李沐、Amazon シニア・プリンシパル・サイエンティスト

-
-
-
+
+
+

+ 推薦の言葉 +

+
+
+

+ 「手を動かし、考えながら学べる、わかりやすいデータ構造とアルゴリズムの入門書です。アルゴリズムを初めて学ぶ方に、ぜひおすすめします。」 +

+

+ —— 邓俊辉、清華大学コンピュータ科学系教授 +

+
+
+

+ 「私がデータ構造とアルゴリズムを学んでいた頃に『Hello Algo』があれば、学ぶのが 10 倍楽になっていたでしょう！」 +

+

+ —— 李沐、Amazon シニア・プリンシパル・サイエンティスト +

+
+
+
- - -
-
-
-
-
-
- - - -

アニメーションによる図解

-
-

わかりやすい内容で、無理なく学べます

-

"A picture is worth a thousand words."
「一枚の図は千の言葉に勝る」

-
-
- -
- -
- -
-
-
- - - -

ワンクリックで実行

-
-

十数種類のプログラミング言語に対応し、コードの実行を可視化できます

-

"Talk is cheap. Show me the code."
「口で語るより、コードを見せよう」

-
-
-
- -
-
-
-
- - - -

読者同士で学び合う

-
-

質問や意見を交わし、読者同士で一緒に理解を深めましょう

-

"Learning by teaching."
「教えることも、学びにつながる」

-
-
- -
- +
+
+
+
+
+
+ + + + +

+ アニメーションによる図解 +

+
+

+ わかりやすい内容で、無理なく学べます +

+

+ "A picture is worth a thousand words." +
+ 「一枚の図は千の言葉に勝る」 +

-
- - -
-
- -
-

著者

-
-
- - 著者：yudongjin -
靳宇栋（@krahets） - -
-
-
- - -
-

コードのレビュー担当者

-

原書のさまざまな言語によるコードは、次の開発者の協力によって作られました。その尽力と貢献に感謝します！

-
-
- - コードのレビュー担当者：coderonion -
coderonion -
Zig, Rust - -
-
- - コードのレビュー担当者：curtishd -
curtishd -
Kotlin - -
-
- - コードのレビュー担当者：Gonglja -
Gonglja -
C, C++ - -
-
- - コードのレビュー担当者：gvenusleo -
gvenusleo -
Dart - -
-
- - コードのレビュー担当者：hpstory -
hpstory -
C# - -
-
- - コードのレビュー担当者：justin-tse -
justin-tse -
JS, TS - -
-
- - コードのレビュー担当者：khoaxuantu -
khoaxuantu -
Ruby - -
-
- - コードのレビュー担当者：krahets -
krahets -
Python, Java - -
-
- - コードのレビュー担当者：night-cruise -
night-cruise -
Rust - -
-
- - コードのレビュー担当者：nuomi1 -
nuomi1 -
Swift - -
-
- - コードのレビュー担当者：Reanon -
Reanon -
Go, C - -
-
- - コードのレビュー担当者：rongyi -
rongyi -
Rust - -
-
-
- - -
-

貢献者

-

本書は、オープンソースコミュニティの 200 人以上の貢献者の協力により、改善を重ねています。時間と労力を注いでくださった皆さんに感謝します！

- - 貢献者の皆さん - -
+
+ + +
+
+ + +
+
+
+ + + + +

+ ワンクリックで実行 +

+
+

+ 十数種類のプログラミング言語に対応し、コードの実行を可視化できます +

+

+ "Talk is cheap. Show me the code." +
+ 「口で語るより、コードを見せよう」 +

+
+
+
+
+
+
+ + + + +

+ 読者同士で学び合う +

+
+

+ 質問や意見を交わし、読者同士で一緒に理解を深めましょう +

+

+ "Learning by teaching." +
+ 「教えることも、学びにつながる」 +

+
+
+ + +
+
+
+
+
+

+ 著者 +

+
+
+ + 著者：yudongjin +
+ + 靳宇栋（@krahets） + + +
+
+
+ +
+

+ 貢献者 +

+

+ 本書は、オープンソースコミュニティの 200 人以上の貢献者の協力により、改善を重ねています。時間と労力を注いでくださった皆さんに感謝します！ +

+ + 貢献者の皆さん + +
+
+
+ + diff --git a/ko/docs/assets/hero/astronaut.webp b/ko/docs/assets/hero/astronaut.webp new file mode 100644 index 000000000..be217537f Binary files /dev/null and b/ko/docs/assets/hero/astronaut.webp differ diff --git a/ko/docs/assets/hero/ground.webp b/ko/docs/assets/hero/ground.webp new file mode 100644 index 000000000..28c9e3371 Binary files /dev/null and b/ko/docs/assets/hero/ground.webp differ diff --git a/ko/docs/index.html b/ko/docs/index.html index a889a9b35..ee7f1617a 100644 --- a/ko/docs/index.html +++ b/ko/docs/index.html @@ -1,324 +1,503 @@ - -
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- - - - - 알고리즘과의 첫 만남 - - - - 복잡도 - - - - 배열과 연결 리스트 - - - - 스택과 큐 - - - - 해시 테이블 - - - - 트리 - - - - 힙 - - - - 그래프 - - - - 탐색 - - - - 정렬 - - - - 분할 정복 - - - - 백트래킹 - - - - 동적 계획법 - - - - 탐욕 - -
- - -
- -
-

- 애니메이션으로 설명하고 클릭 한 번으로 실행하는 자료 구조와 알고리즘 입문서 -

- - - - - 읽기 시작하기 - - - - - - - GitHub - -
- -
- - - -
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+ + + +
+
+
+
+
+
+ + + + + + 알고리즘과의 첫 만남 + + + + + + 복잡도 + + + + + + 배열과 연결 리스트 + + + + + + 스택과 큐 + + + + + + 해시 테이블 + + + + + + 트리 + + + + + + 힙 + + + + + + 그래프 + + + + + + 탐색 + + + + + + 정렬 + + + + + + 분할 정복 + + + + + + 백트래킹 + + + + + + 동적 계획법 + + + + + + 탐욕 + + +
+
+ +
+

+ 애니메이션으로 설명하고 클릭 한 번으로 실행하는 자료 구조와 알고리즘 입문서 +

+ + + + + + + + 읽기 시작하기 + + + + + + + + + GitHub + + +
+
+ + + + +
+
- - -
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-
- - - - -
- -
- -
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- 온라인으로 읽기 - - - -
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- PDF/EPUB 제공 언어 확인 - - - -
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500개의 애니메이션 그림, 14개 프로그래밍 언어의 코드, 3000개의 커뮤니티 질문과 답변으로 자료 구조와 알고리즘의 기초를 빠르게 익힐 수 있다

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+
+
+
+ +
+
+ + +
+
+
+ + 온라인으로 읽기 + + + + + +
+ +
+
+ + + +
+ + PDF/EPUB 제공 언어 확인 + + + + + +
+ +
+
+

+ 500개의 애니메이션 그림, 14개 프로그래밍 언어의 코드, 3000개의 커뮤니티 질문과 답변으로 자료 구조와 알고리즘의 기초를 빠르게 익힐 수 있다 +

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추천의 말

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“쉽게 읽을 수 있는 자료 구조와 알고리즘 입문서다. 직접 실습하고 생각하며 배우도록 안내한다. 알고리즘 입문자에게 적극 추천한다.”

-

—— 덩쥔후이, 칭화대학교 컴퓨터학과 교수

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“내가 자료 구조와 알고리즘을 배울 때 『Hello 알고리즘』이 있었다면 공부가 열 배는 쉬웠을 것이다!”

-

—— 리무, 아마존 수석 과학자(Senior Principal Scientist)

-
-
-
+
+
+

+ 추천의 말 +

+
+
+

+ “쉽게 읽을 수 있는 자료 구조와 알고리즘 입문서다. 직접 실습하고 생각하며 배우도록 안내한다. 알고리즘 입문자에게 적극 추천한다.” +

+

+ —— 덩쥔후이, 칭화대학교 컴퓨터학과 교수 +

+
+
+

+ “내가 자료 구조와 알고리즘을 배울 때 『Hello 알고리즘』이 있었다면 공부가 열 배는 쉬웠을 것이다!” +

+

+ —— 리무, 아마존 수석 과학자(Senior Principal Scientist) +

+
+
+
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애니메이션 그림

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명확하고 이해하기 쉬운 내용, 완만한 학습 곡선

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"A picture is worth a thousand words."
“그림 한 장이 천 마디 말보다 낫다”

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클릭 한 번으로 실행

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열 가지가 넘는 프로그래밍 언어와 코드 실행 시각화

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"Talk is cheap. Show me the code."
“말보다 코드를 보여 달라”

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함께 배우기

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질문과 토론을 나누며 함께 성장하는 독자들

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"Learning by teaching."
“가르치며 배운다”

-
-
- -
- +
+
+
+
+
+
+ + + + +

+ 애니메이션 그림 +

+
+

+ 명확하고 이해하기 쉬운 내용, 완만한 학습 곡선 +

+

+ "A picture is worth a thousand words." +
+ “그림 한 장이 천 마디 말보다 낫다” +

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저자

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- - 저자: yudongjin -
진위둥(@krahets) - -
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코드 검토자

-

다음 개발자들이 함께 힘을 모아 여러 언어의 예제 코드를 완성했다. 이들의 노력과 기여에 감사드린다!

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- - 검토자: coderonion -
coderonion -
Zig, Rust - -
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- - 검토자: curtishd -
curtishd -
Kotlin - -
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- - 검토자: Gonglja -
Gonglja -
C, C++ - -
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- - 검토자: gvenusleo -
gvenusleo -
Dart - -
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- - 검토자: hpstory -
hpstory -
C# - -
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- - 검토자: justin-tse -
justin-tse -
JS, TS - -
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- - 검토자: khoaxuantu -
khoaxuantu -
Ruby - -
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- - 검토자: krahets -
krahets -
Python, Java - -
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- - 검토자: night-cruise -
night-cruise -
Rust - -
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- - 검토자: nuomi1 -
nuomi1 -
Swift - -
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Reanon -
Go, C - -
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- - 검토자: rongyi -
rongyi -
Rust - -
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기여자

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이 책은 오픈 소스 커뮤니티의 200명이 넘는 기여자가 함께 노력한 덕분에 꾸준히 발전하고 있다. 시간과 노력을 들여 준 모든 분께 감사드린다!

- - 기여자 - -
+
+ + +
+
+ + +
+
+
+ + + + +

+ 클릭 한 번으로 실행 +

+
+

+ 열 가지가 넘는 프로그래밍 언어와 코드 실행 시각화 +

+

+ "Talk is cheap. Show me the code." +
+ “말보다 코드를 보여 달라” +

+
+
+
+
+
+
+ + + + +

+ 함께 배우기 +

+
+

+ 질문과 토론을 나누며 함께 성장하는 독자들 +

+

+ "Learning by teaching." +
+ “가르치며 배운다” +

+
+
+ + +
+
+
+
+
+

+ 저자 +

+
+
+ + 저자: yudongjin +
+ + 진위둥(@krahets) + + +
+
+
+ +
+

+ 기여자 +

+

+ 이 책은 오픈 소스 커뮤니티의 200명이 넘는 기여자가 함께 노력한 덕분에 꾸준히 발전하고 있다. 시간과 노력을 들여 준 모든 분께 감사드린다! +

+ + 기여자 + +
+
+
+ + diff --git a/overrides/homepage/assets.json b/overrides/homepage/assets.json new file mode 100644 index 000000000..d17752287 --- /dev/null +++ b/overrides/homepage/assets.json @@ -0,0 +1,470 @@ +{ + "assets": { + "ground": { + "source": "docs/assets/hero/ground.webp", + "width": 881, + "height": 380, + "kind": "hero", + "loading": "visible-layout" + }, + "links": { + "source": "docs/assets/hero/links.png", + "width": 1562, + "height": 1134, + "kind": "hero", + "loading": "visible-layout" + }, + "astronaut": { + "source": "docs/assets/hero/astronaut.webp", + "width": 515, + "height": 672, + "kind": "hero", + "loading": "visible-layout" + }, + "chapter_computational_complexity": { + "source": "docs/assets/hero/chapter_computational_complexity.png", + "width": 113, + "height": 178, + "kind": "hero", + "loading": "visible-layout" + }, + "chapter_array_and_linkedlist": { + "source": "docs/assets/hero/chapter_array_and_linkedlist.png", + "width": 468, + "height": 319, + "kind": "hero", + 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+ "height": 512 + }, + "sorting": { + "source": "overrides/javascripts/hero-textures/sorting-albedo.webp", + "width": 1024, + "height": 512 + }, + "stack_and_queue": { + "source": "overrides/javascripts/hero-textures/stack_and_queue-albedo.webp", + "width": 1024, + "height": 512 + }, + "tree": { + "source": "overrides/javascripts/hero-textures/tree-albedo.webp", + "width": 1024, + "height": 512 + } + }, + "runtime": { + "starfield.js": "overrides/javascripts/starfield.js", + "hero-planets.js": "overrides/javascripts/hero-planets.js", + "hero-surfaces.js": "overrides/javascripts/hero-surfaces.js", + "hero-hourglass.js": "overrides/javascripts/hero-hourglass.js", + "homepage-media.js": "overrides/javascripts/homepage-media.js", + "hero-motion.css": "overrides/stylesheets/hero-motion.css", + "vendor/three/three.module.min.js": "overrides/javascripts/vendor/three/three.module.min.js", + "vendor/three/LICENSE": "overrides/javascripts/vendor/three/LICENSE", + "vendor/three/package.json": "overrides/javascripts/vendor/three/package.json", + "vendor/three/three.core.min.js": "overrides/javascripts/vendor/three/three.core.min.js", + "hero-paint-seams.js": "overrides/javascripts/hero-paint-seams.js" + }, + "encoding": { + "hero_quality": 75, + "image_quality": 75, + "texture_quality": 75, + "poster_quality": 75 + } +} diff --git a/overrides/homepage/icons.html.j2 b/overrides/homepage/icons.html.j2 new file mode 100644 index 000000000..0cd3634a6 --- /dev/null +++ b/overrides/homepage/icons.html.j2 @@ -0,0 +1,22 @@ +{% macro read() %} + +{% endmacro %} +{% macro github() %} + + +{% endmacro %} +{% macro arrow() %} + +{% endmacro %} +{% macro chevron() %} + +{% endmacro %} +{% macro feature_0() %} + +{% endmacro %} +{% macro feature_1() %} + +{% endmacro %} +{% macro feature_2() %} + +{% endmacro %} diff --git a/overrides/homepage/index.html.j2 b/overrides/homepage/index.html.j2 new file mode 100644 index 000000000..1c19e75f4 --- /dev/null +++ b/overrides/homepage/index.html.j2 @@ -0,0 +1,91 @@ +{% import 'icons.html.j2' as icons %} + + + +
+
+
+ {% for object in objects %} + {% if object.href %}{% endif %} + + {% if object.href %}{{ locale.labels[object.id] }}{% endif %} + {% endfor %} +
+
+ {{ locale.typing.alt }} + +
{{ icons.arrow() }}
+
+
+
+
+
+ {% for card in locale.reading %} +
+ {% if card.spacers %}
{% endif %} + {{ card.alt }} + + {% if card.spacers|length > 1 %}
{% endif %} +
{{ card.label }}{{ icons.chevron() }}
+
+ {% endfor %} +
+ {% for note in locale.reading_notes %}

{{ note.text }}

{% endfor %} +

{{ locale.reading_description }}

+
+
+
+
+

{{ locale.endorsement_title }}

+
+ {% for quote, author in locale.endorsements %} +

{{ quote }}

{{ author }}

+ {% endfor %} +
+
+
+{% macro feature_text(feature, i) %} +
+
{{ icons['feature_' ~ i]() }}

{{ feature.title }}

+

{{ feature.description }}

+

{% for line in feature.quotes %}{{ line }}{% if not loop.last %}
{% endif %}{% endfor %}

+
+{% endmacro %} +
+
+ {% for feature in locale.features %} +
+ {% if loop.index0 != 1 %}{{ feature_text(feature, loop.index0) }}{% endif %} + + + {% if loop.index0 == 1 %}{{ feature_text(feature, loop.index0) }}{% endif %} +
+ {% endfor %} +
+
+
+
+ {% for group in locale.people %} +
+

{{ group.title }}

+ {% if group.description %}

{{ group.description }}

{% endif %} + {% if group.profiles %}
+ {% for person in group.profiles %} +
+ {% if person.href %}{% endif %} + {{ person.alt }} +
{{ person.name }}{% if person.detail %}
{{ person.detail }}{% endif %} + {% if person.href %}{% endif %} +
+ {% endfor %} +
{% else %}{{ group.banner.alt }}{% endif %} +
+ {% endfor %} +
+
+ + diff --git a/overrides/homepage/locales/en.json b/overrides/homepage/locales/en.json new file mode 100644 index 000000000..ac8ae2972 --- /dev/null +++ b/overrides/homepage/locales/en.json @@ -0,0 +1,236 @@ +{ + "hero_class": "hero-div hero-div--en", + "list_layout": true, + "labels": { + "astronaut": "Getting to know algorithms", + "chapter_computational_complexity": "Complexity", + "chapter_array_and_linkedlist": "Arrays and linked lists", + "chapter_stack_and_queue": "Stacks and queues", + "chapter_hashing": "Hash tables", + "chapter_tree": "Trees", + "chapter_heap": "Heaps", + "chapter_graph": "Graphs", + "chapter_searching": "Searching", + "chapter_sorting": "Sorting", + "chapter_divide_and_conquer": "Divide and conquer", + "chapter_backtracking": "Backtracking", + "chapter_dynamic_programming": "Dynamic programming", + "chapter_greedy": "Greedy algorithms" + }, + "label_styles": { + "astronaut": "left: 52.244%; top: 20.919%;", + "chapter_computational_complexity": "left: 39.244%; top: 33.919%;", + "chapter_array_and_linkedlist": "left: 90.897%; top: 76.259%;", + "chapter_stack_and_queue": "left: 77.571%; top: 91.25%;", + "chapter_hashing": "left: 68.862%; top: 46.292%;", + "chapter_tree": "left: 96.159%; top: 44.8%;", + "chapter_heap": "left: 88.103%; top: 15.422%;", + "chapter_graph": "left: 71.195%; top: 6.503%;", + "chapter_searching": "left: 14.556%; top: 20.876%;", + "chapter_sorting": "left: 28.805%; top: 53.808%;", + "chapter_divide_and_conquer": "left: 31.42%; top: 8.679%;", + "chapter_backtracking": "left: 4.742%; top: 50.113%;", + "chapter_dynamic_programming": "left: 8.561%; top: 75.351%;", + "chapter_greedy": "left: 21.619%; top: 86.85%;" + }, + "typing": { + "style": "height: min(9vh, 12vw);", + "src": "https://readme-typing-svg.demolab.com/?font=Noto+Sans&weight=400&duration=3500&pause=2000&color=FFF¢er=true&vCenter=true&random=false&width=200&lines=Hello%2C+Algo+!", + "alt": "" + }, + "tagline": "A data structures and algorithms tutorial with animated illustrations and code you can run with one click", + "start_label": "Start reading", + "start_href": "chapter_hello_algo/", + "reading": [ + { + "asset": "web_mac_iphone", + "href": "chapter_hello_algo/", + "alt": "Web reading on a computer and phone", + "label": "Read online", + "image_style": "height: 66.31%;", + "spacers": [ + "height: 4.34%;", + "height: 4.34%;" + ] + }, + { + "asset": "pdf_ipad", + "href": "https://github.com/krahets/hello-algo/releases", + "alt": "PDF reading on a tablet", + "label": "Download PDF/EPUB", + "image_style": "height: 75%;", + "spacers": [] + } + ], + "reading_description": "Get started with data structures and algorithms through 500 animated illustrations, code in 14 programming languages, and 3,000 community questions and answers", + "endorsement_title": "Endorsements", + "endorsements": [ + [ + "“An accessible introduction to data structures and algorithms that encourages readers to learn by thinking and doing. Highly recommended for anyone new to algorithms.”", + "— Junhui Deng, Professor, Department of Computer Science, Tsinghua University" + ], + [ + "“If I had had Hello Algo when I was learning data structures and algorithms, it would have been ten times easier!”", + "— Mu Li, Senior Principal Scientist, Amazon" + ] + ], + "features": [ + { + "title": "Animated illustrations", + "description": "Clear explanations and a gradual learning curve", + "quotes": [ + "\"A picture is worth a thousand words.\"" + ], + "video": "en_animation", + "video_label": "Animation example" + }, + { + "title": "Run code with one click", + "description": "Code in more than ten programming languages, with execution visualizations", + "quotes": [ + "\"Talk is cheap. Show me the code.\"" + ], + "video": "en_running_code", + "video_label": "Running code example" + }, + { + "title": "Learn together", + "description": "Ask questions, join discussions, and learn with fellow readers", + "quotes": [ + "\"Learning by teaching.\"" + ], + "video": "en_comment", + "video_label": "Comments example" + } + ], + "people": [ + { + "title": "Author", + "description": null, + "profiles": [ + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_yudongjin", + "alt": "Author: yudongjin", + "name": "Yudong Jin (@krahets)", + "detail": null + } + ] + }, + { + "title": "Code reviewers", + "description": "The developers below worked together on the code in different programming languages. Thank you for your efforts and contributions!", + "profiles": [ + { + "href": "https://github.com/coderonion", + "class": "profile-cell", + "asset": "avatar_coderonion", + "alt": "Reviewer: coderonion", + "name": "coderonion", + "detail": "Zig, Rust" + }, + { + "href": "https://github.com/curtishd", + "class": "profile-cell", + "asset": "avatar_curtishd", + "alt": "Reviewer: curtishd", + "name": "curtishd", + "detail": "Kotlin" + }, + { + "href": "https://github.com/Gonglja", + "class": "profile-cell", + "asset": "avatar_Gonglja", + "alt": "Reviewer: Gonglja", + "name": "Gonglja", + "detail": "C, C++" + }, + { + "href": "https://github.com/gvenusleo", + "class": "profile-cell", + "asset": "avatar_gvenusleo", + "alt": "Reviewer: gvenusleo", + "name": "gvenusleo", + "detail": "Dart" + }, + { + "href": "https://github.com/hpstory", + "class": "profile-cell", + "asset": "avatar_hpstory", + "alt": "Reviewer: hpstory", + "name": "hpstory", + "detail": "C#" + }, + { + "href": "https://github.com/justin-tse", + "class": "profile-cell", + "asset": "avatar_justin-tse", + "alt": "Reviewer: justin-tse", + "name": "justin-tse", + "detail": "JS, TS" + }, + { + "href": "https://github.com/khoaxuantu", + "class": "profile-cell", + "asset": "avatar_khoaxuantu", + "alt": "Reviewer: khoaxuantu", + "name": "khoaxuantu", + "detail": "Ruby" + }, + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_krahets", + "alt": "Reviewer: krahets", + "name": "krahets", + "detail": "Python, Java" + }, + { + "href": "https://github.com/night-cruise", + "class": "profile-cell", + "asset": "avatar_night-cruise", + "alt": "Reviewer: night-cruise", + "name": "night-cruise", + "detail": "Rust" + }, + { + "href": "https://github.com/nuomi1", + "class": "profile-cell", + "asset": "avatar_nuomi1", + "alt": "Reviewer: nuomi1", + "name": "nuomi1", + "detail": "Swift" + }, + { + "href": "https://github.com/Reanon", + "class": "profile-cell", + "asset": "avatar_Reanon", + "alt": "Reviewer: Reanon", + "name": "Reanon", + "detail": "Go, C" + }, + { + "href": "https://github.com/rongyi", + "class": "profile-cell", + "asset": "avatar_rongyi", + "alt": "Reviewer: rongyi", + "name": "rongyi", + "detail": "Rust" + } + ] + }, + { + "title": "Contributors", + "description": "More than 200 open-source contributors have helped improve this book. Thank you for your time and effort!", + "profiles": [], + "banner": { + "href": "https://github.com/krahets/hello-algo/graphs/contributors", + "url": "https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=12", + "alt": "Contributors", + "style": "width: 100%; max-width: 38.5em;" + } + } + ], + "reading_notes": [] +} diff --git a/overrides/homepage/locales/ja.json b/overrides/homepage/locales/ja.json new file mode 100644 index 000000000..c596958b9 --- /dev/null +++ b/overrides/homepage/locales/ja.json @@ -0,0 +1,244 @@ +{ + "hero_class": "hero-div hero-div--ja", + "list_layout": true, + "labels": { + "astronaut": "アルゴリズム入門", + "chapter_computational_complexity": "計算量", + "chapter_array_and_linkedlist": "配列と連結リスト", + "chapter_stack_and_queue": "スタックとキュー", + "chapter_hashing": "ハッシュテーブル", + "chapter_tree": "木", + "chapter_heap": "ヒープ", + "chapter_graph": "グラフ", + "chapter_searching": "探索", + "chapter_sorting": "ソート", + "chapter_divide_and_conquer": "分割統治", + "chapter_backtracking": "バックトラッキング", + "chapter_dynamic_programming": "動的計画法", + "chapter_greedy": "貪欲法" + }, + "label_styles": { + "astronaut": "left: 52.244%; top: 20.919%;", + "chapter_computational_complexity": "left: 39.244%; top: 33.919%;", + "chapter_array_and_linkedlist": "left: 90.897%; top: 76.259%;", + "chapter_stack_and_queue": "left: 77.571%; top: 91.25%;", + "chapter_hashing": "left: 68.862%; top: 46.292%;", + "chapter_tree": "left: 96.159%; top: 44.8%;", + "chapter_heap": "left: 88.103%; top: 15.422%;", + "chapter_graph": "left: 71.195%; top: 6.503%;", + "chapter_searching": "left: 14.556%; top: 20.876%;", + "chapter_sorting": "left: 28.805%; top: 53.808%;", + "chapter_divide_and_conquer": "left: 31.42%; top: 8.679%;", + "chapter_backtracking": "left: 4.742%; top: 50.113%;", + "chapter_dynamic_programming": "left: 8.561%; top: 75.351%;", + "chapter_greedy": "left: 21.619%; top: 86.85%;" + }, + "typing": { + "style": "height: min(9vh, 12vw);", + "src": "https://readme-typing-svg.demolab.com/?font=Noto+Sans+JP&weight=400&duration=3500&pause=2000&color=FFF¢er=true&vCenter=true&random=false&width=200&lines=Hello%2C+Algo+!", + "alt": "" + }, + "tagline": "アニメーションによる図解とワンクリックで実行できるコードで学ぶ、データ構造とアルゴリズムの入門書", + "start_label": "読み始める", + "start_href": "chapter_hello_algo/", + "reading": [ + { + "asset": "web_mac_iphone", + "href": "chapter_hello_algo/", + "alt": "", + "label": "オンラインで読む", + "image_style": "height: 66.31%;", + "spacers": [ + "height: 4.34%;", + "height: 4.34%;" + ] + }, + { + "asset": "pdf_ipad", + "href": "https://github.com/krahets/hello-algo/releases", + "alt": "", + "label": "既存の PDF/EPUB を確認", + "image_style": "height: 75%;", + "spacers": [] + } + ], + "reading_description": "500 点のアニメーション図解、14 種類のプログラミング言語のコード、コミュニティでの 3000 件の質問と回答が、データ構造とアルゴリズムの入門を支えます。", + "endorsement_title": "推薦の言葉", + "endorsements": [ + [ + "「手を動かし、考えながら学べる、わかりやすいデータ構造とアルゴリズムの入門書です。アルゴリズムを初めて学ぶ方に、ぜひおすすめします。」", + "—— 邓俊辉、清華大学コンピュータ科学系教授" + ], + [ + "「私がデータ構造とアルゴリズムを学んでいた頃に『Hello Algo』があれば、学ぶのが 10 倍楽になっていたでしょう！」", + "—— 李沐、Amazon シニア・プリンシパル・サイエンティスト" + ] + ], + "features": [ + { + "title": "アニメーションによる図解", + "description": "わかりやすい内容で、無理なく学べます", + "quotes": [ + "\"A picture is worth a thousand words.\"", + "「一枚の図は千の言葉に勝る」" + ], + "video": "animation", + "video_label": "アルゴリズムの動きを示すアニメーション" + }, + { + "title": "ワンクリックで実行", + "description": "十数種類のプログラミング言語に対応し、コードの実行を可視化できます", + "quotes": [ + "\"Talk is cheap. Show me the code.\"", + "「口で語るより、コードを見せよう」" + ], + "video": "running_code", + "video_label": "コードを実行する例" + }, + { + "title": "読者同士で学び合う", + "description": "質問や意見を交わし、読者同士で一緒に理解を深めましょう", + "quotes": [ + "\"Learning by teaching.\"", + "「教えることも、学びにつながる」" + ], + "video": "comment", + "video_label": "コメントで学び合う例" + } + ], + "people": [ + { + "title": "著者", + "description": null, + "profiles": [ + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_yudongjin", + "alt": "著者：yudongjin", + "name": "靳宇栋（@krahets）", + "detail": null + } + ] + }, + { + "title": "コードのレビュー担当者", + "description": "原書のさまざまな言語によるコードは、次の開発者の協力によって作られました。その尽力と貢献に感謝します！", + "profiles": [ + { + "href": "https://github.com/coderonion", + "class": "profile-cell", + "asset": "avatar_coderonion", + "alt": "コードのレビュー担当者：coderonion", + "name": "coderonion", + "detail": "Zig, Rust" + }, + { + "href": "https://github.com/curtishd", + "class": "profile-cell", + "asset": "avatar_curtishd", + "alt": "コードのレビュー担当者：curtishd", + "name": "curtishd", + "detail": "Kotlin" + }, + { + "href": "https://github.com/Gonglja", + "class": "profile-cell", + "asset": "avatar_Gonglja", + "alt": "コードのレビュー担当者：Gonglja", + "name": "Gonglja", + "detail": "C, C++" + }, + { + "href": "https://github.com/gvenusleo", + "class": "profile-cell", + "asset": "avatar_gvenusleo", + "alt": "コードのレビュー担当者：gvenusleo", + "name": "gvenusleo", + "detail": "Dart" + }, + { + "href": "https://github.com/hpstory", + "class": "profile-cell", + "asset": "avatar_hpstory", + "alt": "コードのレビュー担当者：hpstory", + "name": "hpstory", + "detail": "C#" + }, + { + "href": "https://github.com/justin-tse", + "class": "profile-cell", + "asset": "avatar_justin-tse", + "alt": "コードのレビュー担当者：justin-tse", + "name": "justin-tse", + "detail": "JS, TS" + }, + { + "href": "https://github.com/khoaxuantu", + "class": "profile-cell", + "asset": "avatar_khoaxuantu", + "alt": "コードのレビュー担当者：khoaxuantu", + "name": "khoaxuantu", + "detail": "Ruby" + }, + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_krahets", + "alt": "コードのレビュー担当者：krahets", + "name": "krahets", + "detail": "Python, Java" + }, + { + "href": "https://github.com/night-cruise", + "class": "profile-cell", + "asset": "avatar_night-cruise", + "alt": "コードのレビュー担当者：night-cruise", + "name": "night-cruise", + "detail": "Rust" + }, + { + "href": "https://github.com/nuomi1", + "class": "profile-cell", + "asset": "avatar_nuomi1", + "alt": "コードのレビュー担当者：nuomi1", + "name": "nuomi1", + "detail": "Swift" + }, + { + "href": "https://github.com/Reanon", + "class": "profile-cell", + "asset": "avatar_Reanon", + "alt": "コードのレビュー担当者：Reanon", + "name": "Reanon", + "detail": "Go, C" + }, + { + "href": "https://github.com/rongyi", + "class": "profile-cell", + "asset": "avatar_rongyi", + "alt": "コードのレビュー担当者：rongyi", + "name": "rongyi", + "detail": "Rust" + } + ] + }, + { + "title": "貢献者", + "description": "本書は、オープンソースコミュニティの 200 人以上の貢献者の協力により、改善を重ねています。時間と労力を注いでくださった皆さんに感謝します！", + "profiles": [], + "banner": { + "href": "https://github.com/krahets/hello-algo/graphs/contributors", + "url": "https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=12", + "alt": "貢献者の皆さん", + "style": "width: 100%; max-width: 38.5em;" + } + } + ], + "reading_notes": [ + { + "text": "日本語版はオンラインで公開しています。ダウンロード先には既存の各言語版が掲載されており、今回の公開に伴う新たな日本語 PDF/EPUB の配布はありません。", + "style": "" + } + ] +} diff --git a/overrides/homepage/locales/ko.json b/overrides/homepage/locales/ko.json new file mode 100644 index 000000000..c5ae38696 --- /dev/null +++ b/overrides/homepage/locales/ko.json @@ -0,0 +1,239 @@ +{ + "hero_class": "hero-div hero-div--ko", + "list_layout": false, + "labels": { + "astronaut": "알고리즘과의 첫 만남", + "chapter_computational_complexity": "복잡도", + "chapter_array_and_linkedlist": "배열과 연결 리스트", + "chapter_stack_and_queue": "스택과 큐", + "chapter_hashing": "해시 테이블", + "chapter_tree": "트리", + "chapter_heap": "힙", + "chapter_graph": "그래프", + "chapter_searching": "탐색", + "chapter_sorting": "정렬", + "chapter_divide_and_conquer": "분할 정복", + "chapter_backtracking": "백트래킹", + "chapter_dynamic_programming": "동적 계획법", + "chapter_greedy": "탐욕" + }, + "label_styles": { + "astronaut": "left: 52.244%; top: 20.919%;", + "chapter_computational_complexity": "left: 39.244%; top: 33.919%;", + "chapter_array_and_linkedlist": "left: 90.897%; top: 76.259%;", + "chapter_stack_and_queue": "left: 77.571%; top: 91.25%;", + "chapter_hashing": "left: 68.862%; top: 46.292%;", + "chapter_tree": "left: 96.159%; top: 44.8%;", + "chapter_heap": "left: 88.103%; top: 15.422%;", + "chapter_graph": "left: 71.195%; top: 6.503%;", + "chapter_searching": "left: 14.556%; top: 20.876%;", + "chapter_sorting": "left: 28.805%; top: 53.808%;", + "chapter_divide_and_conquer": "left: 31.42%; top: 8.679%;", + "chapter_backtracking": "left: 4.742%; top: 50.113%;", + "chapter_dynamic_programming": "left: 8.561%; top: 75.351%;", + "chapter_greedy": "left: 21.619%; top: 86.85%;" + }, + "typing": { + "style": "height: min(9vh, 12vw);", + "src": "https://readme-typing-svg.demolab.com/?font=Noto+Sans+KR&weight=400&duration=3500&pause=2000&color=FFF¢er=true&vCenter=true&random=false&width=200&lines=Hello%2C%20%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98%21", + "alt": "" + }, + "tagline": "애니메이션으로 설명하고 클릭 한 번으로 실행하는 자료 구조와 알고리즘 입문서", + "start_label": "읽기 시작하기", + "start_href": "chapter_hello_algo/", + "reading": [ + { + "asset": "web_mac_iphone", + "href": "chapter_hello_algo/", + "alt": "", + "label": "온라인으로 읽기", + "image_style": "height: 66.31%;", + "spacers": [ + "height: 4.34%;", + "height: 4.34%;" + ] + }, + { + "asset": "pdf_ipad", + "href": "https://github.com/krahets/hello-algo/releases", + "alt": "", + "label": "PDF/EPUB 제공 언어 확인", + "image_style": "height: 75%;", + "spacers": [] + } + ], + "reading_description": "500개의 애니메이션 그림, 14개 프로그래밍 언어의 코드, 3000개의 커뮤니티 질문과 답변으로 자료 구조와 알고리즘의 기초를 빠르게 익힐 수 있다", + "endorsement_title": "추천의 말", + "endorsements": [ + [ + "“쉽게 읽을 수 있는 자료 구조와 알고리즘 입문서다. 직접 실습하고 생각하며 배우도록 안내한다. 알고리즘 입문자에게 적극 추천한다.”", + "—— 덩쥔후이, 칭화대학교 컴퓨터학과 교수" + ], + [ + "“내가 자료 구조와 알고리즘을 배울 때 『Hello 알고리즘』이 있었다면 공부가 열 배는 쉬웠을 것이다!”", + "—— 리무, 아마존 수석 과학자(Senior Principal Scientist)" + ] + ], + "features": [ + { + "title": "애니메이션 그림", + "description": "명확하고 이해하기 쉬운 내용, 완만한 학습 곡선", + "quotes": [ + "\"A picture is worth a thousand words.\"", + "“그림 한 장이 천 마디 말보다 낫다”" + ], + "video": "animation", + "video_label": "애니메이션 예제" + }, + { + "title": "클릭 한 번으로 실행", + "description": "열 가지가 넘는 프로그래밍 언어와 코드 실행 시각화", + "quotes": [ + "\"Talk is cheap. Show me the code.\"", + "“말보다 코드를 보여 달라”" + ], + "video": "running_code", + "video_label": "코드 실행 예제" + }, + { + "title": "함께 배우기", + "description": "질문과 토론을 나누며 함께 성장하는 독자들", + "quotes": [ + "\"Learning by teaching.\"", + "“가르치며 배운다”" + ], + "video": "comment", + "video_label": "댓글 예제" + } + ], + "people": [ + { + "title": "저자", + "description": null, + "profiles": [ + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_yudongjin", + "alt": "저자: yudongjin", + "name": "진위둥(@krahets)", + "detail": null + } + ] + }, + { + "title": "코드 검토자", + "description": "다음 개발자들이 함께 힘을 모아 여러 언어의 예제 코드를 완성했다. 이들의 노력과 기여에 감사드린다!", + "profiles": [ + { + "href": "https://github.com/coderonion", + "class": "profile-cell", + "asset": "avatar_coderonion", + "alt": "검토자: coderonion", + "name": "coderonion", + "detail": "Zig, Rust" + }, + { + "href": "https://github.com/curtishd", + "class": "profile-cell", + "asset": "avatar_curtishd", + "alt": "검토자: curtishd", + "name": "curtishd", + "detail": "Kotlin" + }, + { + "href": "https://github.com/Gonglja", + "class": "profile-cell", + "asset": "avatar_Gonglja", + "alt": "검토자: Gonglja", + "name": "Gonglja", + "detail": "C, C++" + }, + { + "href": "https://github.com/gvenusleo", + "class": "profile-cell", + "asset": "avatar_gvenusleo", + "alt": "검토자: gvenusleo", + "name": "gvenusleo", + "detail": "Dart" + }, + { + "href": "https://github.com/hpstory", + "class": "profile-cell", + "asset": "avatar_hpstory", + "alt": "검토자: hpstory", + "name": "hpstory", + "detail": "C#" + }, + { + "href": "https://github.com/justin-tse", + "class": "profile-cell", + "asset": "avatar_justin-tse", + "alt": "검토자: justin-tse", + "name": "justin-tse", + "detail": "JS, TS" + }, + { + "href": "https://github.com/khoaxuantu", + "class": "profile-cell", + "asset": "avatar_khoaxuantu", + "alt": "검토자: khoaxuantu", + "name": "khoaxuantu", + "detail": "Ruby" + }, + { + "href": "https://github.com/krahets", + "class": "profile-cell", + "asset": "avatar_krahets", + "alt": "검토자: krahets", + "name": "krahets", + "detail": "Python, Java" + }, + { + "href": "https://github.com/night-cruise", + "class": "profile-cell", + "asset": "avatar_night-cruise", + "alt": "검토자: night-cruise", + "name": "night-cruise", + "detail": "Rust" + }, + { + "href": "https://github.com/nuomi1", + "class": "profile-cell", + "asset": "avatar_nuomi1", + "alt": "검토자: nuomi1", + "name": "nuomi1", + "detail": "Swift" + }, + { + "href": "https://github.com/Reanon", + "class": "profile-cell", + "asset": "avatar_Reanon", + "alt": "검토자: Reanon", + "name": "Reanon", + "detail": "Go, C" + }, + { + "href": "https://github.com/rongyi", + "class": "profile-cell", + "asset": "avatar_rongyi", + "alt": "검토자: rongyi", + "name": "rongyi", + "detail": "Rust" + } + ] + }, + { + "title": "기여자", + "description": "이 책은 오픈 소스 커뮤니티의 200명이 넘는 기여자가 함께 노력한 덕분에 꾸준히 발전하고 있다. 시간과 노력을 들여 준 모든 분께 감사드린다!", + "profiles": [], + "banner": { + "href": "https://github.com/krahets/hello-algo/graphs/contributors", + "url": "https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=12", + "alt": "기여자", + "style": "width: 100%; 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"" : "none"; + item.image.classList.toggle("hero-replaced", enabled); + if (!enabled) return; + // Slow the entire choreography, including falling grains and the turn. + time *= 14 / HOURGLASS_CYCLE_SECONDS; + const phase = time % 14; + const turns = Math.floor(time / 14); + const progress = Math.min(phase / 11, 1); + const flip = smooth(Math.min(1, Math.max(0, (phase-11.6)/1.6))); + // Keep turning in the same direction; the frame never snaps back at a loop boundary. + body.setAttribute("transform", `rotate(${((turns+flip)*180).toFixed(2)} 56.5 89)`); + sand.setAttribute("transform", `rotate(${turns*180} 56.5 89)`); + const level = 38 + 47*(1-Math.pow(1-progress, 0.45)); + const notch = (1-progress)*5; + upper.setAttribute("d", `M8 ${level} Q39 ${level-1} 56.5 ${level+notch} Q75 ${level-1} 105 ${level} V89 H8Z`); + upper.setAttribute("opacity", progress>0.995?"0":"1"); + surface.setAttribute("d", `M17 ${level} Q38 ${level-1} 56.5 ${level+notch} Q78 ${level-1} 97 ${level}`); + surface.setAttribute("opacity", progress>0.995?"0":".8"); + const pile = Math.sqrt(progress); + // Sand settles toward the neck after inversion, before the next pour begins. + const settle = smooth(Math.max(0, Math.min(1, (phase-13.2)/0.8))); + const peak = 156-pile*43-settle*24; + const base = 160-settle*20; + const radius = pile*45+settle*5; + lower.setAttribute("d", `M${56.5-radius} ${base} Q40 ${peak+14} 56.5 ${peak} Q70 ${peak+14} ${56.5+radius} ${base} Q75 ${base+settle} 56.5 ${base-settle*5} Q39 ${base+settle} ${56.5-radius} ${base}Z`); + shade.setAttribute("d", `M56.5 ${peak} Q70 ${peak+14} ${56.5+radius} ${base} H68Z`); + stream.setAttribute("opacity", phase<10.95?".9":"0"); + thread.setAttribute("d", `M56.5 84 Q${56.5+Math.sin(time*8)*0.5} 101 56.5 ${peak}`); + grains.forEach((grain,i)=>{ + const travel=(time*1.5+i/8)%1; + grain.setAttribute("cx", (56.5+Math.sin(i*2.4+time*5)*0.75).toFixed(2)); + grain.setAttribute("cy", (86+travel*(peak-86)).toFixed(2)); + }); + }, + dispose() { svg.remove(); item.image.classList.remove("hero-replaced"); }, + }; +} diff --git a/overrides/javascripts/hero-paint-seams.js b/overrides/javascripts/hero-paint-seams.js new file mode 100644 index 000000000..cecad53e5 --- /dev/null +++ b/overrides/javascripts/hero-paint-seams.js @@ -0,0 +1,2 @@ +// Generated by python -m utils.hero.fit_paint_seams; source textures are unchanged. +export const paintSeams = 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diff --git a/overrides/javascripts/hero-planets.js b/overrides/javascripts/hero-planets.js new file mode 100644 index 000000000..fffa549a8 --- /dev/null +++ b/overrides/javascripts/hero-planets.js @@ -0,0 +1,61 @@ +import * as THREE from "./vendor/three/three.module.min.js"; +import { planets, createPlanet, loadPlanetPaint, disposePlanetPaint } from "./hero-surfaces.js"; + +// The illustration supplies composition; each globe is independently lit and rotates fully. +export function createPlanets(map, items, onRestore) { + const targets=planets.map(d=>({...d,item:items.find(i=>i.image.dataset.heroAsset === 'chapter_'+d.name)})).filter(d=>d.item); + const hero=map.closest('.home-div'); + const renderer=new THREE.WebGLRenderer({alpha:true,antialias:true,powerPreference:'low-power'}); + renderer.setClearColor(0x000000,0);renderer.domElement.className='hero-objects-canvas'; + renderer.domElement.setAttribute('aria-hidden','true'); + renderer.debug.onShaderError=(gl,program,vertex,fragment)=>{throw new Error(`Hero shader: ${gl.getShaderInfoLog(vertex)} ${gl.getShaderInfoLog(fragment)}`);}; + const scene=new THREE.Scene(),camera=new THREE.OrthographicCamera(-1,1,1,-1,.1,5000); + camera.position.z=2000; + map.insertBefore(renderer.domElement,map.querySelector(':scope > a')); + let width=0,height=0,lost=false,disposed=false,ready=false,lastTime=0; + const showOriginal=show=>{ + renderer.domElement.hidden=show;hero.classList.toggle('hero-three-active',!show); + targets.forEach(({item})=>item.image.classList.toggle('hero-replaced',!show)); + }; + function resize(){ + width=map.clientWidth;height=map.clientHeight; + renderer.setPixelRatio(Math.min(devicePixelRatio||1,2)); + renderer.setSize(Math.max(width,1),Math.max(height,1),false); + camera.left=-width/2;camera.right=width/2;camera.top=height/2;camera.bottom=-height/2;camera.updateProjectionMatrix(); + for(const target of targets){const i=target.item.image;target.rect={x:i.offsetLeft,y:i.offsetTop,width:i.offsetWidth,height:i.offsetHeight}; + } + } + function render(time,enabled,pointer={x:0,y:0}){ + if(disposed)return; + if(!enabled||lost||!ready||!width||!height){showOriginal(true);return;} + const emphasisBlend=time===lastTime?1:1-Math.exp(-Math.min(.1,Math.abs(time-lastTime))*10);lastTime=time; + for(const target of targets){ + const {item,rect,root,sphere,material}=target,selected=item.anchor.classList.contains('hero-selected'); + root.scale.setScalar(rect.height/Number(item.image.dataset.sourceHeight || item.image.naturalHeight)); + root.position.set(rect.x+rect.width/2+item.x-width/2,height/2-rect.y-rect.height/2-item.y,0); + root.rotation.set(pointer.y*.035,pointer.x*.045,-item.angle*Math.PI/180); + sphere.rotation.y=time*Math.PI*2/target.period; + if(target.moon)target.moon.rotation.y=sphere.rotation.y*2; + material.uniforms.emphasis.value+=((selected?1:0)-material.uniforms.emphasis.value)*emphasisBlend; + } + renderer.render(scene,camera);showOriginal(false); + Object.assign(renderer.domElement.dataset,{drawCalls:String(renderer.info.render.calls),triangles:String(renderer.info.render.triangles), + art:'reference-authored-albedo',network:'original-brushwork',rotation:'continuous-360'}); + } + const onLost=event=>{event.preventDefault();lost=true;showOriginal(true);}; + const onRestored=()=>{lost=false;resize();onRestore();}; + renderer.domElement.addEventListener('webglcontextlost',onLost);renderer.domElement.addEventListener('webglcontextrestored',onRestored); + showOriginal(true);resize(); + const readyPromise=Promise.allSettled(targets.map(async t=>{await t.item.image.decode();const map=await loadPlanetPaint(t);if(disposed){disposePlanetPaint(map);return;}t.paintMap=map;})).then(results=>{ + const failure=results.find(r=>r.status==='rejected');if(failure)throw failure.reason; + if(disposed)return; + for(const target of targets){Object.assign(target,createPlanet(target.item.image,target,target.paintMap));scene.add(target.root);} + ready=true;resize();onRestore(); + }).catch(error=>{if(!disposed){targets.forEach(t=>{disposePlanetPaint(t.paintMap);t.paintMap=null;});showOriginal(true);console.warn('Original planets retained: paint unavailable.',error);}}); + return {resize,render,ready:readyPromise,dispose(){ + disposed=true;showOriginal(true); + renderer.domElement.removeEventListener('webglcontextlost',onLost);renderer.domElement.removeEventListener('webglcontextrestored',onRestored); + const geometries=new Set(),materials=new Set();scene.traverse(o=>{if(o.geometry)geometries.add(o.geometry);if(o.material)materials.add(o.material);}); + geometries.forEach(g=>g.dispose());materials.forEach(m=>m.dispose());targets.forEach(t=>disposePlanetPaint(t.paintMap));renderer.dispose();renderer.forceContextLoss();renderer.domElement.remove(); + }}; +} diff --git a/overrides/javascripts/hero-surfaces.js b/overrides/javascripts/hero-surfaces.js new file mode 100644 index 000000000..e3bc10832 --- /dev/null +++ b/overrides/javascripts/hero-surfaces.js @@ -0,0 +1,195 @@ +import { textureCatalog } from './hero-assets.js'; +import { paintSeams } from './hero-paint-seams.js'; +/* Reference-led painted sphere maps and antialiased three-dimensional rings. */ +import * as T from './vendor/three/three.module.min.js'; + +// Palette order: deep ink, secondary pigment, body, accent, paper highlight. +// tilt sets the shared polar axis. belt traces a reference latitude in the paint +// (top-down y at 9 evenly spaced x positions); beltLevel is its target latitude. +// Monotone UV rectification aligns the painted flow over the entire revolution. +// Shapes describe the original illustration's visual vocabulary, not its pixels. +export const planets = [ + {name:'array_and_linkedlist',paintWindow:[.1,.62],period:76,tilt:0.59,beltLevel:0.5,belt:[0.5,0.5175,0.59,0.63,0.63,0.58,0.55,0.5025,0.5],colors:['#554f6d','#99748b','#d9bd83','#f3dca0','#fff0bd'],circle:[237,166,130],ring:[237,166,277,51,176],ringStyle:0}, + {name:'stack_and_queue',period:69,tilt:0.12,beltLevel:0.5,belt:[0.5,0.52,0.6,0.59,0.56,0.5,0.43,0.47,0.5],colors:['#263f56','#438c97','#e4b044','#4fa4a4','#f6ce64']}, + {name:'hashing',paintWindow:[.04,.96],period:63,tilt:0.69,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#294459','#a56870','#4a9e9b','#efad48','#f8d687']}, + {name:'tree',period:83,tilt:0.28,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#264458','#aa866e','#188e84','#cfcc94','#f1d99b']}, + {name:'heap',period:55,tilt:-0.55,beltLevel:0.5,belt:[0.5,0.4625,0.47,0.57,0.67,0.75,0.65,0.5,0.5],colors:['#273e52','#ad7c99','#b4c67e','#ddab98','#e9d8a0']}, + {name:'graph',period:89,tilt:0.27,beltLevel:0.5,belt:[0.5,0.535,0.61,0.58,0.54,0.5,0.47,0.485,0.5],colors:['#464464','#786587','#be8d9d','#e3a493','#f2ce9b'],circle:[270,136,135],ring:[270,136,280,9,146],ringStyle:1}, + {name:'searching',period:58,tilt:0.12,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#4b526d','#a7788a','#63a5a0','#a6b28c','#eddb9e']}, + {name:'sorting',period:52,tilt:-0.5,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#3e3d57','#b57191','#eaa9ae','#f6df98','#fff0b5']}, + {name:'divide_and_conquer',period:94,tilt:0.58,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#494a63','#b6777e','#e5a129','#f3c45c','#ffe6a1'],circle:[156,130,117],ring:[203,134,240,60,164],ringStyle:2,moon:[307,50,33]}, + {name:'backtracking',period:81,tilt:-0.08,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#36475c','#727887','#eead30','#c58c4d','#f7d27b'],circle:[166,115,115],ring:[173,159,173,70,126],ringStyle:3}, + {name:'dynamic_programming',period:67,tilt:0.2,beltLevel:0.5,belt:[0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5,0.5],colors:['#36394f','#8c4b6d','#d36959','#ed9d46','#f5cb6e']}, + {name:'greedy',period:72,tilt:-0.57,beltLevel:0.5,belt:[0.5,0.4825,0.51,0.62,0.67,0.67,0.61,0.51,0.5],colors:['#234c60','#32878d','#72b1a7','#b9bd84','#e8ba66'],circle:[135,85,83],ring:[133,101,149,61,111],ringStyle:4}, +]; + +const vertex=`varying vec3 p;varying vec3 n; + void main(){p=position;n=normalize(normalMatrix*normal); + gl_Position=projectionMatrix*modelViewMatrix*vec4(position,1.);}`; +async function loadMap(file) { + const map=await new T.TextureLoader().loadAsync(new URL(file,import.meta.url).href); + map.colorSpace=T.SRGBColorSpace;map.wrapS=T.RepeatWrapping; + map.minFilter=T.LinearMipmapLinearFilter;map.magFilter=T.LinearFilter;map.anisotropy=4; + return map; +} + +export async function loadPlanetPaint(definition) { + const surface=await loadMap(textureCatalog[definition.name].full); + try { + return {surface,moon:definition.moon?await loadMap(textureCatalog.moon.full):null}; + } catch(error) {surface.dispose();throw error;} +} + +export function disposePlanetPaint(paint) { + paint?.surface.dispose();paint?.moon?.dispose(); +} + +function surface(definition,paintMap) { + const seam=paintSeams[definition.name]; + return new T.ShaderMaterial({uniforms:{pigments:{value:definition.colors.map(c=>new T.Color(c))},paintMap:{value:paintMap},paintWindow:{value:new T.Vector2(...seam.window)},join:{value:seam.join},flowLeft:{value:seam.left},flowRight:{value:seam.right},belt:{value:definition.belt||Array(9).fill(.5)},beltLevel:{value:definition.beltLevel||.5},emphasis:{value:0}},vertexShader:vertex, + fragmentShader:`varying vec3 p;varying vec3 n;uniform vec3 pigments[5];uniform float emphasis;uniform vec2 paintWindow;uniform float join[65];uniform float flowLeft[33];uniform float flowRight[33];uniform float belt[9];uniform float beltLevel;uniform sampler2D paintMap; + // Cubic paint-space guide with its analytic slope. Keeping derivatives explicit + // avoids the atan seam selecting a blurry mip level during a full revolution. + vec2 guide(float x){ + float pos=clamp(x,0.,1.)*8.;int i=min(int(floor(pos)),7);float t=pos-float(i); + float a=belt[max(i-1,0)],b=belt[i],c=belt[i+1],d=belt[min(i+2,8)]; + float A=-a+3.*b-3.*c+d,B=2.*a-5.*b+4.*c-d,C=-a+c; + float v=.5*(2.*b+C*t+B*t*t+A*t*t*t); + float slope=4.*(C+2.*B*t+3.*A*t*t); + return vec2(clamp(v,.04,.96),slope); + } + vec3 paint(float x,float y,vec2 dx,vec2 dy){ + vec2 g=guide(x); + // An odds-ratio warp maps the traced contour to one latitude. It is smooth, + // strictly monotone and fixes both poles: no latitude clipping or mirrored paint. + float k=(1.-g.x)*beltLevel/(g.x*(1.-beltLevel)); + float den=1.-y+k*y; + float v=k*y/den; + float dvdx=-v*(1.-v)*g.y/(g.x*(1.-g.x)); + float dvdy=k/(den*den); + return textureGrad(paintMap,vec2(x,v),vec2(dx.x,dvdx*dx.x+dvdy*dx.y),vec2(dy.x,dvdx*dy.x+dvdy*dy.y)).rgb; + } + vec2 edgeFlow(float y,bool left){ + float row=clamp(y,0.,1.)*32.;int i=min(int(floor(row)),31); + float a=left?flowLeft[i]:flowRight[i],b=left?flowLeft[i+1]:flowRight[i+1]; + return vec2(mix(a,b,row-float(i)),32.*(b-a)); + } + vec3 joinedPaint(float x,float y,vec2 dx,vec2 dy,float longitude,bool left){ + vec2 flow=edgeFlow(y,left); + float t=clamp((abs(longitude)-.012)/.168,0.,1.); + float strength=1.-t*t*(3.-2.*t); + float slope=-sign(longitude)*6.*t*(1.-t)/.168; + float v=mix(y,flow.x,strength),dvdv=mix(1.,flow.y,strength); + float dvdu=(flow.x-y)*slope/(paintWindow.y-paintWindow.x); + return paint(x,v,vec2(dx.x,dvdu*dx.x+dvdv*dx.y),vec2(dy.x,dvdu*dy.x+dvdv*dy.y)); + } + void main(){vec3 q=normalize(p); + // A pigment-matched join follows the paint rather than a vertical fade strip. + // Both samples stay inside the authored texture; no wrapped/clamped guide tails. + float u=atan(q.x,q.z)/6.28318530718+.5; + float y=asin(clamp(q.y,-1.,1.))/3.14159265359+.5; + float span=paintWindow.y-paintWindow.x; + float x=paintWindow.x+span*u; + // Explicit angular derivatives keep mip selection continuous at atan's wrap. + float denom=6.28318530718*max(dot(q.xz,q.xz),.0001); + vec2 gradX=vec2(span*(q.z*dFdx(q.x)-q.x*dFdx(q.z))/denom,dFdx(y)); + vec2 gradY=vec2(span*(q.z*dFdy(q.x)-q.x*dFdy(q.z))/denom,dFdy(y)); + vec3 ink; + float signedU=u>.5?u-1.:u; + if(abs(signedU)<.18){ + float row=clamp(y,0.,1.)*64.;int i=min(int(floor(row)),63); + float center=mix(join[i],join[i+1],row-float(i)); + float slope=64.*(join[i+1]-join[i]); + float distance=signedU-center; + float width=max(.003,abs(gradX.x/span-slope*dFdx(y))+abs(gradY.x/span-slope*dFdy(y))); + if(distance < -width)ink=joinedPaint(paintWindow.y+span*signedU,y,gradX,gradY,signedU,true); + else if(distance > width)ink=joinedPaint(paintWindow.x+span*signedU,y,gradX,gradY,signedU,false); + else{ + vec3 left=joinedPaint(paintWindow.y+span*signedU,y,gradX,gradY,signedU,true); + vec3 right=joinedPaint(paintWindow.x+span*signedU,y,gradX,gradY,signedU,false); + ink=mix(left,right,smoothstep(-width,width,distance)); + } + }else ink=paint(x,y,gradX,gradY); + // Fixed, restrained illumination preserves the illustration's pigment values. + vec3 normal=normalize(n);float light=dot(normal,normalize(vec3(-.60,.80,1.2))); + float shade=.72+.28*smoothstep(-.10,.86,light); + vec3 color=ink*shade; + float rim=1.-smoothstep(.015,.10,normal.z); + color=mix(color,pigments[4],rim*(.18+emphasis*.18)); + color*=1.+emphasis*.04; + gl_FragColor=vec4(color,1.); + #include + }`}); +} + +export function createPlanet(image,d,paint) { + const w=Number(image.dataset?.sourceWidth || image.naturalWidth),h=Number(image.dataset?.sourceHeight || image.naturalHeight),[cx,cy,r]=d.circle||[w/2,h/2,Math.min(w,h)/2]; + const root=new T.Group(),axis=new T.Group(),sphere=new T.Mesh(new T.SphereGeometry(1,64,40),surface(d,paint.surface)); + // Local Y is the polar axis for both the globe and its ring plane. A ring's + // apparent minor/major ratio fixes the view elevation, not a separate tilt. + const pitch=d.ring?Math.asin(d.ring[3]/d.ring[2]):.08; + axis.rotation.set(pitch,0,d.tilt,'ZXY');axis.position.set(cx-w/2,h/2-cy,0); + sphere.scale.setScalar(r);axis.add(sphere);root.add(axis); + let ring=null; + if(d.ring){ + const [,y,outer,,inner]=d.ring; + ring=new T.Mesh(new T.RingGeometry(inner,outer,256),new T.ShaderMaterial({side:T.DoubleSide,transparent:true,depthWrite:false, + uniforms:{inner:{value:inner},outer:{value:outer},style:{value:d.ringStyle},ink:{value:new T.Color(d.ringStyle===2?'#c3d3a7':d.ringStyle===4?'#66bcb3':d.ringStyle===3?'#f5b632':d.colors[d.ringStyle===1?2:4])},dark:{value:new T.Color(d.ringStyle===0?'#bca178':d.ringStyle===2?'#986e63':d.ringStyle===4?'#e5b66a':d.ringStyle===3?'#686c80':d.colors[1])}},vertexShader:vertex, + fragmentShader:`varying vec3 p;uniform float inner;uniform float outer;uniform float style;uniform vec3 ink;uniform vec3 dark; + // Integrate a stroke over its pixel footprint. Unresolved rings become faint + // continuous coverage, rather than hard discard dots that shimmer in motion. + float stroke(float t,float center,float halfWidth,float pixel){ + return clamp((t-center+halfWidth)/pixel+.5,0.,1.)-clamp((t-center-halfWidth)/pixel+.5,0.,1.); + } + void main(){float t=(length(p.xy)-inner)/(outer-inner); + float pixel=max(fwidth(t),.0005);float alpha=1.; + vec3 color=ink; + if(style==0.){ + // Broad cream ring: a small number of painterly layers, not a sine comb. + color=mix(ink,dark,.22*stroke(t,.18,.06,pixel)); + color=mix(color,dark,.18*stroke(t,.45,.025,pixel)); + color=mix(color,dark,.12*stroke(t,.66,.04,pixel)); + color=mix(color,dark,.30*stroke(t,.90,.015,pixel)); + alpha=1.-.82*stroke(t,.77,.018,pixel); + }else if(style==1.){ + color=mix(dark,ink,.45+.35*smoothstep(.15,.85,t)); + }else if(style==2.){ + float first=stroke(t,.12,.027,pixel),middle=stroke(t,.46,.020,pixel),last=stroke(t,.86,.024,pixel); + alpha=max(first,max(middle,last));color=mix(ink,dark,.35*last); + }else{ + // Individually drawn, tapered sweeps. The radial curves stay in the + // equatorial plane; angular variation gives the original ink character. + float a=atan(p.y,p.x),right=cos(a),front=-sin(a); + if(style==3.){ + float warm=smoothstep(-.12,.55,right); + float taper=smoothstep(-.96,-.5,cos(a+.45)); + float main=stroke(t,.48+.035*sin(a+.5),(.035+.095*warm)*taper,pixel); + float inside=stroke(t,.14+.03*sin(a),.065*smoothstep(-.4,.65,cos(a+.75)),pixel); + float outside=stroke(t,.88+.025*cos(a),.023*smoothstep(-.3,.2,front)*smoothstep(-.95,-.6,right),pixel); + alpha=max(main,max(inside,outside));color=mix(dark,ink,warm); + }else{ + float main=stroke(t,.30+.045*sin(a+.4),.067*(.7+.3*cos(a-.5)),pixel); + float innerArc=stroke(t,.075+.025*sin(a),.028*smoothstep(-.95,-.35,cos(a-.8)),pixel); + float outerArc=stroke(t,.64+.035*cos(a+.4),.040*smoothstep(-.95,-.45,cos(a+1.8)),pixel); + float gold=stroke(t,.92+.02*sin(a),.027*smoothstep(-.3,.6,cos(a+.4)),pixel); + alpha=max(max(main,innerArc),max(outerArc,gold)); + color=mix(ink,dark,gold/max(alpha,.001)); + } + } + alpha*=smoothstep(0.,pixel,t)*(1.-smoothstep(1.-pixel,1.,t)); + if(alpha<.001)discard; + color*=.90+.10*smoothstep(-outer*.4,outer*.4,p.y); + gl_FragColor=vec4(color,alpha); + #include + }`})); + ring.rotation.x=-Math.PI/2; + // Low-set bands in the reference are translated along the same polar axis. + ring.position.y=(cy-y)/Math.cos(pitch);axis.add(ring); + } + let moon=null; + if(d.moon){ + const [x,y,radius]=d.moon;moon=new T.Mesh(new T.SphereGeometry(radius,32,24),surface({...d,name:'moon',belt:Array(9).fill(.5),beltLevel:.5,colors:['#35475a','#b77c94','#659e98','#d9bb87','#eed6ac']},paint.moon)); + moon.position.set(x-w/2,h/2-y,80);root.add(moon); + } + return {root,axis,sphere,ring,moon,material:sphere.material}; +} diff --git a/overrides/javascripts/hero-textures/array_and_linkedlist-albedo.webp b/overrides/javascripts/hero-textures/array_and_linkedlist-albedo.webp new file mode 100644 index 000000000..bdc46ed31 Binary files /dev/null and b/overrides/javascripts/hero-textures/array_and_linkedlist-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/backtracking-albedo.webp b/overrides/javascripts/hero-textures/backtracking-albedo.webp new file mode 100644 index 000000000..149ac6b0b Binary files /dev/null and b/overrides/javascripts/hero-textures/backtracking-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/divide_and_conquer-albedo.webp b/overrides/javascripts/hero-textures/divide_and_conquer-albedo.webp new file mode 100644 index 000000000..ee15888bb Binary files /dev/null and b/overrides/javascripts/hero-textures/divide_and_conquer-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/dynamic_programming-albedo.webp b/overrides/javascripts/hero-textures/dynamic_programming-albedo.webp new file mode 100644 index 000000000..8e1dc60fa Binary files /dev/null and b/overrides/javascripts/hero-textures/dynamic_programming-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/graph-albedo.webp b/overrides/javascripts/hero-textures/graph-albedo.webp new file mode 100644 index 000000000..652d3e30c Binary files /dev/null and b/overrides/javascripts/hero-textures/graph-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/greedy-albedo.webp b/overrides/javascripts/hero-textures/greedy-albedo.webp new file mode 100644 index 000000000..5b1f3d135 Binary files /dev/null and b/overrides/javascripts/hero-textures/greedy-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/hashing-albedo.webp b/overrides/javascripts/hero-textures/hashing-albedo.webp new file mode 100644 index 000000000..2beaf2012 Binary files /dev/null and b/overrides/javascripts/hero-textures/hashing-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/heap-albedo.webp b/overrides/javascripts/hero-textures/heap-albedo.webp new file mode 100644 index 000000000..d5bbfebde Binary files /dev/null and b/overrides/javascripts/hero-textures/heap-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/moon-albedo.webp b/overrides/javascripts/hero-textures/moon-albedo.webp new file mode 100644 index 000000000..84e9f4221 Binary files /dev/null and b/overrides/javascripts/hero-textures/moon-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/searching-albedo.webp b/overrides/javascripts/hero-textures/searching-albedo.webp new file mode 100644 index 000000000..3ece071d9 Binary files /dev/null and b/overrides/javascripts/hero-textures/searching-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/sorting-albedo.webp b/overrides/javascripts/hero-textures/sorting-albedo.webp new file mode 100644 index 000000000..802a64559 Binary files /dev/null and b/overrides/javascripts/hero-textures/sorting-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/stack_and_queue-albedo.webp b/overrides/javascripts/hero-textures/stack_and_queue-albedo.webp new file mode 100644 index 000000000..fb362dfee Binary files /dev/null and b/overrides/javascripts/hero-textures/stack_and_queue-albedo.webp differ diff --git a/overrides/javascripts/hero-textures/tree-albedo.webp b/overrides/javascripts/hero-textures/tree-albedo.webp new file mode 100644 index 000000000..6d07c7853 Binary files /dev/null and b/overrides/javascripts/hero-textures/tree-albedo.webp differ diff --git a/overrides/javascripts/homepage-media.js b/overrides/javascripts/homepage-media.js new file mode 100644 index 000000000..a99f0e421 --- /dev/null +++ b/overrides/javascripts/homepage-media.js @@ -0,0 +1,44 @@ +/* Below-fold demos load near the viewport and never animate in reduced motion. */ +(() => { + const reduced = matchMedia('(prefers-reduced-motion: reduce)'); + let observer; + const videos = [...document.querySelectorAll('[data-home-video]')]; + const images = [...document.querySelectorAll('[data-home-src]')]; + const visible = new Set(); + function reveal(element) { + if (element.dataset.homeSrc && !element.getAttribute('src')) element.src = element.dataset.homeSrc; + if (element.dataset.homePoster && !element.getAttribute('poster')) element.poster = element.dataset.homePoster; + } + function load(video) { + if (!video.getAttribute('src')) { + video.src = video.dataset.homeVideo; + video.load(); + } + } + function update() { + for (const video of videos) { + if (document.hidden || reduced.matches || !visible.has(video)) video.pause(); + else { load(video); video.play().catch(() => {}); } + } + } + function start() { + observer?.disconnect(); + if (!('IntersectionObserver' in window)) { [...images, ...videos].forEach(reveal); return; } + observer = new IntersectionObserver(entries => { + for (const entry of entries) { + const element = entry.target; + if (entry.isIntersecting) reveal(element); + if (element.tagName === 'VIDEO') { + if (entry.isIntersecting) visible.add(element); else visible.delete(element); + } else if (entry.isIntersecting) observer.unobserve(element); + } + update(); + }, {rootMargin: '120px 0px'}); + [...images, ...videos].forEach(element => observer.observe(element)); + } + document.addEventListener('visibilitychange', update); + reduced.addEventListener('change', update); + addEventListener('pagehide', () => {observer?.disconnect();visible.clear();update();}); + addEventListener('pageshow', start); + start(); +})(); diff --git a/overrides/javascripts/starfield.js b/overrides/javascripts/starfield.js index ab872c0a3..27130ef3c 100644 --- a/overrides/javascripts/starfield.js +++ b/overrides/javascripts/starfield.js @@ -1,471 +1,321 @@ -/* - * starfield.js - * - * Version: 1.5.0 - * Description: Interactive starfield background - * - * Usage: - * Starfield.setup({ - * // options - * }); - */ -(function (root, factory) { - if (typeof define === "function" && define.amd) { - define([], factory); - } else if (typeof module === "object" && module.exports) { - module.exports = factory(); - } else { - root.Starfield = factory(); - } -})(this, function () { - const Starfield = {}; +/* Homepage illustration motion. Loaded only by the landing-page build hook. */ +(function (root) { + "use strict"; - const config = { - numStars: 250, // Number of stars - baseSpeed: 1, // Base speed of stars (will affect acceleration) - trailLength: 0.8, // Length of star trail (0-1) - starColor: "rgb(255, 255, 255)", // Color of stars (only rgb) - canvasColor: "rgb(30, 30, 30)", // Canvas background color (only rgb) - hueJitter: 0, // Maximum hue variation in degrees (0-360) - maxAcceleration: 10, // Maximum acceleration - accelerationRate: 0.2, // Rate of acceleration - decelerationRate: 0.2, // Rate of deceleration - minSpawnRadius: 80, // Minimum spawn distance from origin - maxSpawnRadius: 500, // Maximum spawn distance from origin - auto: true, - originX: null, - originY: null, - container: null, - originElement: null, - }; + let dispose = () => {}; + const moduleBase = new URL(".", document.currentScript.src); - let stars = []; - let accelerate = false; - let accelerationFactor = 0; - let originX = 0; - let originY = 0; - let prevOriginX = 0; - let prevOriginY = 0; + function setup(config = {}) { + dispose(); + const container = config.container || document.querySelector(".starfield"); + const hero = container?.closest(".home-div"); + const map = hero?.querySelector(".hero-div"); + if (!map) return; - let canvas, ctx; - let width, height; - let lastTimestamp = 0; - let canvasRGB = [0, 0, 0]; - let lastCanvasColor = config.canvasColor; - - let origin; - let container; - - const mouseEnterHandler = () => (accelerate = true); - const mouseLeaveHandler = () => (accelerate = false); - const resizeHandler = () => windowResized(container, origin); - - function visibilityHandler() { - if (document.visibilityState === "visible") { - lastTimestamp = performance.now(); - } - } - - function getOriginY(origin, container) { - const originRect = origin.getBoundingClientRect(); - const containerRect = container.getBoundingClientRect(); - return originRect.top - containerRect.top + originRect.height / 2; - } - - function getOriginX(origin, container) { - const originRect = origin.getBoundingClientRect(); - const containerRect = container.getBoundingClientRect(); - return originRect.left - containerRect.left + originRect.width / 2; - } - - /** - * Set up and start the starfield animation. - * @param {Object} userConfig Configuration options. - */ - function setup(userConfig = {}) { - Object.assign(config, userConfig); - - container = config.container || document.querySelector(".starfield"); - if (!container) { - throw new Error("Starfield: No container element found."); - } - // container.style.position = "relative"; - - width = container.clientWidth; - height = container.clientHeight; - - canvas = document.createElement("canvas"); - canvas.width = width; - canvas.height = height; - - canvas.style.position = "absolute"; - canvas.style.top = "0"; - canvas.style.left = "0"; - canvas.style.width = "100%"; - canvas.style.height = "100%"; - canvas.style.zIndex = "-1"; - canvasRGB = parseRGBA(config.canvasColor); + const reduced = matchMedia("(prefers-reduced-motion: reduce)"); + const finePointer = matchMedia("(hover: hover) and (pointer: fine)"); + const mobile = matchMedia("(max-width: 900px)"); + const listeners = []; + const on = (target, type, fn) => { + target.addEventListener(type, fn); + listeners.push(() => target.removeEventListener(type, fn)); + }; + const items = Array.from(map.querySelectorAll(":scope > a")).map((anchor, i) => ({ + anchor, + image: anchor.querySelector("img"), + label: anchor.querySelector("span"), + originalLabelMargin: anchor.querySelector("span")?.style.marginLeft || "", + depth: 0.55 + (i % 4) * 0.15, + phase: i * 2.39996, + speed: 0.55 + (i % 5) * 0.055, + astronaut: anchor.querySelector('img[data-hero-asset="astronaut"]') !== null, + x: 0, + y: 0, + angle: 0, + })).filter(item => item.image); + const ground = map.querySelector(':scope > img[data-hero-asset="ground"]'); + const links = map.querySelector(':scope > img[data-hero-asset="links"]'); + ground?.classList.add("hero-ground"); + links?.classList.add("hero-links"); + hero.classList.add("hero-universe"); + const canvas = document.createElement("canvas"); + canvas.className = "hero-stars"; + canvas.setAttribute("aria-hidden", "true"); container.appendChild(canvas); + // Illustration interactions also work if Canvas is unavailable. + let ctx = null; + try { ctx = canvas.getContext("2d"); } catch (_) { /* Static background remains. */ } - ctx = canvas.getContext("2d"); + const lang = (document.documentElement.lang || "zh").toLowerCase(); + const labels = lang.startsWith("en") ? ["Pause animation", "Play animation"] + : lang.startsWith("ja") ? ["アニメーションを一時停止", "アニメーションを再生"] + : lang.startsWith("ko") ? ["애니메이션 일시 정지", "애니메이션 재생"] + : lang.startsWith("ru") ? ["Приостановить анимацию", "Воспроизвести анимацию"] + : /hant|tw/.test(lang) ? ["暫停動畫", "播放動畫"] : ["暂停动画", "播放动画"]; + const toggle = document.createElement("button"); + toggle.type = "button"; + toggle.className = "hero-motion-toggle"; + toggle.innerHTML = ''; + hero.appendChild(toggle); - if (config.auto) { - origin = - config.originElement || document.querySelector(".starfield-origin"); - if (!origin) { - throw new Error("Starfield: No origin element found."); + let width = 1, height = 1, scale = 1, stars = []; + let pointer = { x: 0, y: 0 }, target = { x: 0, y: 0 }; + let hovered = null, focused = null; + let visible = false, suspended = false, destroyed = false; + let raf = 0, last = 0, time = 0, paused = false; + let planets = null, hourglass = null, objectsRequested = false; + try { paused = sessionStorage.getItem("hello-algo:hero-paused") === "true"; } catch (_) { /* Storage is optional. */ } + + const staticMotion = () => reduced.matches || paused; + const listLayout = () => mobile.matches && ["hero-div--en", "hero-div--ru", "hero-div--ja"].some(name => map.classList.contains(name)); + const canRun = () => !destroyed && visible && !suspended && !document.hidden && !staticMotion(); + const wrap = (n, size) => ((n % size) + size) % size; + + function renderObjects() { + const enabled = !reduced.matches && !listLayout(); + if (planets) { + try { planets.render(time, enabled, pointer); } + catch (error) { + planets.dispose(); + planets = null; + console.warn("Planet rendering unavailable; keeping the original illustrations.", error); + } } - originX = getOriginX(origin, container); - originY = getOriginY(origin, container); - - origin.addEventListener("mouseenter", mouseEnterHandler); - origin.addEventListener("mouseleave", mouseLeaveHandler); - - window.addEventListener("resize", resizeHandler); - } else { - originX = config.originX !== null ? config.originX : width / 2; - originY = config.originY !== null ? config.originY : height / 2; + hourglass?.render(time, enabled); } - for (let i = 0; i < config.numStars; i++) { - const star = createRandomStar(); - stars.push(star); + function loadObjects() { + if (objectsRequested || destroyed || !visible || reduced.matches || listLayout()) return; + objectsRequested = true; + import(new URL("hero-planets.js", moduleBase).href).then(module => { + if (destroyed) return; + planets = module.createPlanets(map, items, updatePlayback); + renderObjects(); + resize(); + }).catch(error => console.warn("3D enhancement unavailable; keeping the original planets.", error)); + import(new URL("hero-hourglass.js", moduleBase).href).then(module => { + if (destroyed) return; + hourglass = module.createHourglass(items); + renderObjects(); + }).catch(error => console.warn("Hourglass enhancement unavailable; keeping the original illustration.", error)); + } - document.addEventListener("visibilitychange", visibilityHandler); - - requestAnimationFrame(draw); - } - - function windowResized(container, origin) { - width = container.clientWidth; - height = container.clientHeight; - canvas.width = width; - canvas.height = height; - - originX = getOriginX(origin, container); - originY = getOriginY(origin, container); - - stars.forEach((star) => star.reset()); - } - - function createRandomStar() { - const angle = random(0, Math.PI * 2); - const radius = random(config.minSpawnRadius, config.maxSpawnRadius); - - const x = originX + Math.cos(angle) * radius; - const y = originY + Math.sin(angle) * radius; - - return new Star(x, y); - } - - class Star { - constructor(x, y) { - this.pos = { - x: x, - y: y, - }; - this.prevpos = { - x: x, - y: y, - }; - this.vel = { - x: 0, - y: 0, - }; - this.angle = Math.atan2(y - originY, x - originX); - this.baseSpeed = random(config.baseSpeed * 0.5, config.baseSpeed * 1.5); - this.hueOffset = random(-config.hueJitter, config.hueJitter); - } - - reset() { - const newStar = createRandomStar(); - this.pos.x = newStar.pos.x; - this.pos.y = newStar.pos.y; - this.prevpos.x = this.pos.x; - this.prevpos.y = this.pos.y; - this.vel.x = 0; - this.vel.y = 0; - this.angle = Math.atan2(this.pos.y - originY, this.pos.x - originX); - this.baseSpeed = random(config.baseSpeed * 0.5, config.baseSpeed * 1.5); - this.hueOffset = random(-config.hueJitter, config.hueJitter); - } - - update(acc, deltaTime) { - const adjustedAcc = acc * this.baseSpeed; - - this.vel.x += Math.cos(this.angle) * adjustedAcc * deltaTime; - this.vel.y += Math.sin(this.angle) * adjustedAcc * deltaTime; - - this.prevpos.x = this.pos.x; - this.prevpos.y = this.pos.y; - this.pos.x += this.vel.x * deltaTime; - this.pos.y += this.vel.y * deltaTime; - } - - draw() { - let velMag = Math.sqrt( - this.vel.x * this.vel.x + this.vel.y * this.vel.y - ); - velMag = velMag * 3; - const alpha = map(velMag, 0, 10, 0, 1); - const weight = map(velMag, 0, 10, 1, 3); - - ctx.lineWidth = weight; - - const [r, g, b] = parseRGBA(config.starColor); - const [h, s, l] = rgbToHsl(r, g, b); - const adjustedH = (h + this.hueOffset + 360) % 360; - const [newR, newG, newB] = hslToRgb(adjustedH, s, l).map((v) => - Math.round(v) - ); - ctx.strokeStyle = `rgba(${newR}, ${newG}, ${newB}, ${alpha})`; - - ctx.beginPath(); - ctx.moveTo(this.prevpos.x, this.prevpos.y); - ctx.lineTo(this.pos.x, this.pos.y); - ctx.stroke(); - } - - isActive() { - return onScreen(this.pos.x, this.pos.y); - } - - updateAngle() { - this.angle = Math.atan2(this.pos.y - originY, this.pos.x - originX); - } - } - - function draw(timestamp) { - if (!lastTimestamp) lastTimestamp = timestamp; - const deltaTime = (timestamp - lastTimestamp) / 16.67; - lastTimestamp = timestamp; - - if (config.auto) { - originX = getOriginX(origin, container); - originY = getOriginY(origin, container); - if (originX !== prevOriginX || originY !== prevOriginY) { - stars.forEach((star) => { - star.updateAngle(); - }); - prevOriginX = originX; - prevOriginY = originY; + function drawStars() { + if (!ctx) return; + ctx.clearRect(0, 0, width, height); + for (const star of stars) { + const drift = time * star.depth * 0.7; + const x = wrap(star.x * width + drift + pointer.x * star.depth * 10, width + 16) - 8; + const y = wrap(star.y * height + Math.sin(time * 0.08 + star.phase) * 2 + pointer.y * star.depth * 7, height + 16) - 8; + const twinkle = 0.78 + Math.sin(time * star.speed + star.phase) * 0.22; + ctx.globalAlpha = star.opacity * twinkle; + ctx.fillStyle = star.color; + ctx.beginPath(); + ctx.arc(x, y, star.radius, 0, Math.PI * 2); + ctx.fill(); + if (star.radius > 1.2) { + ctx.globalAlpha *= 0.12; + ctx.beginPath(); + ctx.arc(x, y, star.radius * 3, 0, Math.PI * 2); + ctx.fill(); + } } + ctx.globalAlpha = 1; } - if (lastCanvasColor !== config.canvasColor) { - canvasRGB = parseRGBA(config.canvasColor); - lastCanvasColor = config.canvasColor; - } - const [bgR, bgG, bgB] = canvasRGB; - ctx.fillStyle = `rgba(${bgR}, ${bgG}, ${bgB}, ${1 - config.trailLength})`; - ctx.fillRect(0, 0, width, height); - - if (accelerate) { - accelerationFactor = Math.min( - accelerationFactor + config.accelerationRate * deltaTime, - config.maxAcceleration - ); - } else { - accelerationFactor = Math.max( - accelerationFactor - config.decelerationRate * deltaTime, - 0 - ); - } - - const baseAcc = 0.01; - const currentAcc = baseAcc * (1 + accelerationFactor * 10); - - for (let star of stars) { - star.update(currentAcc, deltaTime); - star.draw(); - if (!star.isActive()) { - star.reset(); + function moveIllustrations(dt) { + const mix = 1 - Math.exp(-dt * 5); + pointer.x += (target.x - pointer.x) * mix; + pointer.y += (target.y - pointer.y) * mix; + const still = staticMotion() || listLayout(); + const central = item => item.astronaut || item.image.dataset.heroAsset === 'chapter_computational_complexity'; + const centralSelected = items.some(item => central(item) && (item.anchor === hovered || item.anchor === focused)); + for (const item of items) { + if (central(item)) { + if (!still && centralSelected) continue; + item.x = still ? 0 : pointer.x * 2 * scale; + item.y = still ? 0 : (pointer.y * 1.5 - Math.sin(time * .45) * 1.2) * scale; + item.angle = 0; + item.anchor.style.setProperty('--hero-x', `${item.x.toFixed(2)}px`); + item.anchor.style.setProperty('--hero-y', `${item.y.toFixed(2)}px`); + item.anchor.style.setProperty('--hero-angle', '0deg'); + continue; + } + // Freeze the selected object so the pointer/keyboard target stays easy to use. + if (!still && (item.anchor === hovered || item.anchor === focused)) continue; + const amplitude = (item.astronaut ? 5 : 2.6) * scale; + const x = (pointer.x * 7 * item.depth + Math.sin(time * item.speed * 0.7 + item.phase) * 1.4) * scale; + const y = pointer.y * 5 * item.depth * scale + Math.sin(time * item.speed + item.phase) * amplitude; + const angle = Math.sin(time * item.speed * 0.65 + item.phase) * (item.astronaut ? 0.65 : 0.35); + item.x = still ? 0 : item.x + (x - item.x) * mix; + item.y = still ? 0 : item.y + (y - item.y) * mix; + item.angle = still ? 0 : item.angle + (angle - item.angle) * mix; + item.anchor.style.setProperty("--hero-x", `${item.x.toFixed(2)}px`); + item.anchor.style.setProperty("--hero-y", `${item.y.toFixed(2)}px`); + item.anchor.style.setProperty("--hero-angle", `${item.angle.toFixed(3)}deg`); } + map.style.setProperty("--hero-ground-x", `${(still ? 0 : pointer.x * 2 * scale).toFixed(2)}px`); + map.style.setProperty("--hero-ground-y", `${(still ? 0 : pointer.y * 1.5 * scale).toFixed(2)}px`); } - requestAnimationFrame(draw); - } - - function onScreen(x, y) { - return x >= 0 && x <= width && y >= 0 && y <= height; - } - - function random(min, max) { - return Math.random() * (max - min) + min; - } - - // https://gist.github.com/mjackson/5311256 - function rgbToHsl(r, g, b) { - r /= 255; - g /= 255; - b /= 255; - const max = Math.max(r, g, b), - min = Math.min(r, g, b); - let h, - s, - l = (max + min) / 2; - - if (max === min) { - h = s = 0; - } else { - const d = max - min; - s = l > 0.5 ? d / (2 - max - min) : d / (max + min); - switch (max) { - case r: - h = (g - b) / d + (g < b ? 6 : 0); - break; - case g: - h = (b - r) / d + 2; - break; - case b: - h = (r - g) / d + 4; - break; + function frame(now) { + raf = 0; + if (!hero.isConnected) { dispose(); return; } + // A media preference may change before its queued change event is delivered. + // Apply its static state before this frame stops scheduling the next one. + if (reduced.matches && !hero.classList.contains('hero-motion-paused')) { + updatePlayback(); + return; } - h /= 6; + if (!canRun()) return; + // Cap touch devices at 30 fps. Motion uses elapsed time, not frame count. + if (last && now - last < (finePointer.matches ? 14 : 30)) { + raf = requestAnimationFrame(frame); + return; + } + const dt = last ? Math.min((now - last) / 1000, 0.05) : 0; + last = now; + time += dt; + moveIllustrations(dt); + drawStars(); + renderObjects(); + raf = requestAnimationFrame(frame); } - return [h * 360, s, l]; - } - - // https://gist.github.com/mjackson/5311256 - function hslToRgb(h, s, l) { - let r, g, b; - h = h / 360; - - if (s === 0) { - r = g = b = l; - } else { - const hue2rgb = (p, q, t) => { - if (t < 0) t += 1; - if (t > 1) t -= 1; - if (t < 1 / 6) return p + (q - p) * 6 * t; - if (t < 1 / 2) return q; - if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6; - return p; - }; - - const q = l < 0.5 ? l * (1 + s) : l + s - l * s; - const p = 2 * l - q; - r = hue2rgb(p, q, h + 1 / 3); - g = hue2rgb(p, q, h); - b = hue2rgb(p, q, h - 1 / 3); + function updatePlayback() { + cancelAnimationFrame(raf); + raf = 0; + last = 0; + toggle.hidden = reduced.matches; + toggle.setAttribute("aria-label", labels[paused ? 1 : 0]); + toggle.title = labels[paused ? 1 : 0]; + toggle.dataset.paused = String(paused); + hero.classList.toggle("hero-motion-paused", staticMotion()); + if (reduced.matches) { + pointer = { x: 0, y: 0 }; + target = { x: 0, y: 0 }; + moveIllustrations(0); + } + drawStars(); + renderObjects(); + loadObjects(); + if (canRun()) raf = requestAnimationFrame(frame); } - return [r * 255, g * 255, b * 255]; - } - - function parseRGBA(color) { - const rgbaRegex = /rgba?\((\d+),\s*(\d+),\s*(\d+)/; - const match = color.match(rgbaRegex); - if (match) { - return [ - parseInt(match[1], 10), - parseInt(match[2], 10), - parseInt(match[3], 10), - ]; + function resize() { + width = Math.max(container.clientWidth, 1); + height = Math.max(container.clientHeight, 1); + scale = Math.min(1, map.clientWidth / 1000); + const dpr = Math.min(window.devicePixelRatio || 1, finePointer.matches ? 1.5 : 1); + canvas.width = Math.round(width * dpr); + canvas.height = Math.round(height * dpr); + ctx?.setTransform(dpr, 0, 0, dpr, 0, 0); + // Deterministic positions avoid a new constellation on every resize. + let seed = 73; + const random = () => { seed = (seed * 1664525 + 1013904223) >>> 0; return seed / 4294967296; }; + const count = Math.min(finePointer.matches ? 300 : 130, Math.max(65, Math.round(width * height / 4200))); + stars = Array.from({ length: count }, (_, i) => ({ + x: random(), y: random(), phase: random() * Math.PI * 2, + depth: [0.25, 0.6, 1][i % 3], + radius: (0.4 + random() * 0.55) * [0.7, 1, 1.5][i % 3], + opacity: 0.2 + random() * 0.45, + speed: 0.35 + random() * 0.45, + color: ["#d0dedc", "#c5d2e8", "#e3d5bf"][i % 3], + })); + if (!paused || reduced.matches || listLayout()) moveIllustrations(0); + drawStars(); + planets?.resize(); + renderObjects(); + // A page can have no horizontal scroll while absolutely positioned text is clipped. + // Leave room for the small pointer displacement on both sides of the actual viewport. + const heroBounds = hero.getBoundingClientRect(); + const left = Math.max(0, heroBounds.left) + 12; + const right = Math.min(document.documentElement.clientWidth, heroBounds.right) - 12; + for (const item of items) { + if (!item.label) continue; + item.label.style.marginLeft = item.originalLabelMargin; + if (listLayout()) continue; + const bounds = item.label.getBoundingClientRect(); + const nudge = Math.max(left - bounds.left, Math.min(0, right - bounds.right)); + const base = parseFloat(getComputedStyle(item.label).marginLeft) || 0; + if (Math.abs(nudge) > .1) item.label.style.marginLeft = `${base + nudge}px`; + } + loadObjects(); } - return [255, 255, 255]; - } - function map(value, start1, stop1, start2, stop2) { - return ((value - start1) / (stop1 - start1)) * (stop2 - start2) + start2; - } + function updateSelection() { + const selected = focused || hovered; + for (const item of items) item.anchor.classList.toggle("hero-selected", item.anchor === selected); + map.classList.toggle("hero-network-active", Boolean(selected)); + if (!canRun()) renderObjects(); + } - /** - * Set the acceleration state of the starfield. - * @param {boolean} state The acceleration state. - */ - function setAccelerate(state) { - accelerate = state; - } - - /** - * Set the x-coordinate of the origin of the starfield. - * @param {number} x The x-coordinate of the origin. - */ - function setOriginX(x) { - originX = x; - stars.forEach((star) => { - star.angle = Math.atan2(star.pos.y - originY, star.pos.x - originX); + on(hero, "pointermove", event => { + if (!finePointer.matches || event.pointerType === "touch" || staticMotion()) return; + const bounds = hero.getBoundingClientRect(); + target.x = Math.max(-1, Math.min(1, (event.clientX - bounds.left) / bounds.width * 2 - 1)); + target.y = Math.max(-1, Math.min(1, (event.clientY - bounds.top) / bounds.height * 2 - 1)); }); - } - - /** - * Set the y-coordinate of the origin of the starfield. - * @param {number} y The y-coordinate of the origin. - */ - function setOriginY(y) { - originY = y; - stars.forEach((star) => { - star.angle = Math.atan2(star.pos.y - originY, star.pos.x - originX); + on(hero, "pointerleave", () => { target = { x: 0, y: 0 }; hovered = null; updateSelection(); }); + for (const item of items) { + on(item.anchor, "pointerenter", event => { + if (event.pointerType === "touch" || !finePointer.matches) return; + hovered = item.anchor; + updateSelection(); + }); + on(item.anchor, "pointerleave", () => { if (hovered === item.anchor) hovered = null; updateSelection(); }); + on(item.anchor, "focus", () => { focused = item.anchor; updateSelection(); }); + on(item.anchor, "blur", () => { focused = null; updateSelection(); }); + } + on(toggle, "click", () => { + paused = !paused; + try { sessionStorage.setItem("hello-algo:hero-paused", String(paused)); } catch (_) { /* Storage is optional. */ } + updatePlayback(); }); - } + on(reduced, "change", updatePlayback); + on(finePointer, "change", () => { target = { x: 0, y: 0 }; resize(); }); + on(mobile, "change", resize); + on(document, "visibilitychange", updatePlayback); + on(window, "pagehide", () => { suspended = true; updatePlayback(); }); + on(window, "pageshow", () => { suspended = false; updatePlayback(); }); - /** - * Set the origin of the starfield to a specific point. - * @param {number} x The x-coordinate of the origin. - * @param {number} y The y-coordinate of the origin. - */ - function setOrigin(x, y) { - originX = x; - originY = y; - stars.forEach((star) => { - star.angle = Math.atan2(star.pos.y - originY, star.pos.x - originX); + const resizeObserver = new ResizeObserver(resize); + resizeObserver.observe(hero); + resizeObserver.observe(map); + const intersectionObserver = new IntersectionObserver(entries => { + visible = entries[0].isIntersecting; + updatePlayback(); }); + intersectionObserver.observe(hero); + + dispose = () => { + destroyed = true; + cancelAnimationFrame(raf); + resizeObserver.disconnect(); + intersectionObserver.disconnect(); + listeners.forEach(remove => remove()); + planets?.dispose(); + hourglass?.dispose(); + canvas.remove(); + toggle.remove(); + hero.classList.remove("hero-universe", "hero-motion-paused"); + map.classList.remove("hero-network-active"); + map.style.removeProperty("--hero-ground-x"); + map.style.removeProperty("--hero-ground-y"); + ground?.classList.remove("hero-ground"); + links?.classList.remove("hero-links"); + for (const { anchor, label, originalLabelMargin } of items) { + if (label) label.style.marginLeft = originalLabelMargin; + anchor.classList.remove("hero-selected"); + ["--hero-x", "--hero-y", "--hero-angle"].forEach(name => anchor.style.removeProperty(name)); + } + }; + resize(); + updatePlayback(); } - /** - * Resize the starfield to a new width and height. - * @param {number} newWidth The new width of the starfield. - * @param {number} newHeight The new height of the starfield. - */ - function resize(newWidth, newHeight) { - width = newWidth; - height = newHeight; - canvas.width = width; - canvas.height = height; - - if (config.originY !== null) { - originY = config.originY; - } else { - originY = height / 2; - } - - stars.forEach((star) => star.reset()); - } - - function cleanup() { - if (origin) { - origin.removeEventListener("mouseenter", mouseEnterHandler); - origin.removeEventListener("mouseleave", mouseLeaveHandler); - } - window.removeEventListener("resize", resizeHandler); - document.removeEventListener("visibilitychange", visibilityHandler); - - if (canvas && canvas.parentNode) { - canvas.parentNode.removeChild(canvas); - } - - stars = []; - accelerate = false; - accelerationFactor = 0; - originX = 0; - originY = 0; - prevOriginX = 0; - prevOriginY = 0; - lastTimestamp = 0; - } - - Starfield.setup = setup; - Starfield.setAccelerate = setAccelerate; - Starfield.setOrigin = setOrigin; - Starfield.setOriginX = setOriginX; - Starfield.setOriginY = setOriginY; - Starfield.resize = resize; - Starfield.config = config; - Starfield.cleanup = cleanup; - - return Starfield; -}); + // Retain the build hook's entry point; all motion shares one cancellable loop. + root.Starfield = { setup, cleanup: () => dispose() }; +})(window); diff --git a/overrides/javascripts/vendor/three/LICENSE b/overrides/javascripts/vendor/three/LICENSE new file mode 100644 index 000000000..cf7814304 --- /dev/null +++ b/overrides/javascripts/vendor/three/LICENSE @@ -0,0 +1,21 @@ +The MIT License + +Copyright © 2010-2025 three.js authors + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/overrides/javascripts/vendor/three/package.json b/overrides/javascripts/vendor/three/package.json new file mode 100644 index 000000000..8a7a0318a --- /dev/null +++ b/overrides/javascripts/vendor/three/package.json @@ -0,0 +1,20 @@ +{ + "name": "three", + "version": "0.180.0", + "license": "MIT", + "repository": "https://github.com/mrdoob/three.js", + "files": { + "three.module.min.js": { + "url": "https://cdn.jsdelivr.net/npm/three@0.180.0/build/three.module.min.js", + "sha256": "e2b5ee6bccd38fd6d8a2428546b83c5f2426d84b152ef82be8055556e3b40eb6" + }, + "three.core.min.js": { + "url": "https://cdn.jsdelivr.net/npm/three@0.180.0/build/three.core.min.js", + "sha256": "61ba0df005b05991361d040d8ff670e1aadfd0ce7aeebd1fdb0725957a8957de" + }, + "LICENSE": { + "url": "https://cdn.jsdelivr.net/npm/three@0.180.0/LICENSE", + "sha256": "bfe119ea4fd413f5f7ca3fcd63adb0c4a073ed39daa2fe7d3e6b769e21272601" + } + } +} diff --git a/overrides/javascripts/vendor/three/three.core.min.js b/overrides/javascripts/vendor/three/three.core.min.js new file mode 100644 index 000000000..70c40977d --- /dev/null +++ b/overrides/javascripts/vendor/three/three.core.min.js @@ -0,0 +1,6 @@ +/** + * @license + * Copyright 2010-2025 Three.js Authors + * SPDX-License-Identifier: MIT + */ +const t="180",e={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},s={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},i=0,r=1,n=2,a=3,o=0,h=1,l=2,c=3,u=0,d=1,p=2,m=0,y=1,g=2,f=3,x=4,b=5,v=100,w=101,M=102,S=103,_=104,A=200,T=201,z=202,C=203,I=204,B=205,k=206,E=207,R=208,P=209,O=210,N=211,V=212,F=213,L=214,j=0,D=1,W=2,U=3,H=4,q=5,J=6,X=7,Y=0,Z=1,G=2,$=0,Q=1,K=2,tt=3,et=4,st=5,it=6,rt=7,nt="attached",at="detached",ot=300,ht=301,lt=302,ct=303,ut=304,dt=306,pt=1e3,mt=1001,yt=1002,gt=1003,ft=1004,xt=1004,bt=1005,vt=1005,wt=1006,Mt=1007,St=1007,_t=1008,At=1008,Tt=1009,zt=1010,Ct=1011,It=1012,Bt=1013,kt=1014,Et=1015,Rt=1016,Pt=1017,Ot=1018,Nt=1020,Vt=35902,Ft=35899,Lt=1021,jt=1022,Dt=1023,Wt=1026,Ut=1027,Ht=1028,qt=1029,Jt=1030,Xt=1031,Yt=1032,Zt=1033,Gt=33776,$t=33777,Qt=33778,Kt=33779,te=35840,ee=35841,se=35842,ie=35843,re=36196,ne=37492,ae=37496,oe=37808,he=37809,le=37810,ce=37811,ue=37812,de=37813,pe=37814,me=37815,ye=37816,ge=37817,fe=37818,xe=37819,be=37820,ve=37821,we=36492,Me=36494,Se=36495,_e=36283,Ae=36284,Te=36285,ze=36286,Ce=2200,Ie=2201,Be=2202,ke=2300,Ee=2301,Re=2302,Pe=2400,Oe=2401,Ne=2402,Ve=2500,Fe=2501,Le=0,je=1,De=2,We=3200,Ue=3201,He=3202,qe=3203,Je=0,Xe=1,Ye="",Ze="srgb",Ge="srgb-linear",$e="linear",Qe="srgb",Ke=0,ts=7680,es=7681,ss=7682,is=7683,rs=34055,ns=34056,as=5386,os=512,hs=513,ls=514,cs=515,us=516,ds=517,ps=518,ms=519,ys=512,gs=513,fs=514,xs=515,bs=516,vs=517,ws=518,Ms=519,Ss=35044,_s=35048,As=35040,Ts=35045,zs=35049,Cs=35041,Is=35046,Bs=35050,ks=35042,Es="100",Rs="300 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Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,s,i,r){const n=Math.cos,a=Math.sin,o=n(s/2),h=a(s/2),l=n((e+i)/2),c=a((e+i)/2),u=n((e-i)/2),d=a((e-i)/2),p=n((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*c,h*u,h*d,o*l);break;case"YZY":t.set(h*d,o*c,h*u,o*l);break;case"ZXZ":t.set(h*u,h*d,o*c,o*l);break;case"XZX":t.set(o*c,h*m,h*p,o*l);break;case"YXY":t.set(h*p,o*c,h*m,o*l);break;case"ZYZ":t.set(h*m,h*p,o*c,o*l);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Zs,denormalize:Ys};class $s{constructor(t=0,e=0){$s.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw 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this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,s,i){return this._x=t,this._y=e,this._z=s,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const s=t._x,i=t._y,r=t._z,n=t._order,a=Math.cos,o=Math.sin,h=a(s/2),l=a(i/2),c=a(r/2),u=o(s/2),d=o(i/2),p=o(r/2);switch(n){case"XYZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"YXZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"ZXY":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"ZYX":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"YZX":this._x=u*l*c+h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c-u*d*p;break;case"XZY":this._x=u*l*c-h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const s=e/2,i=Math.sin(s);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=s+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>a&&s>c){const t=2*Math.sqrt(1+s-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-s-c);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-s-a);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return s<1e-8?(s=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(qs(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=s*l+n*a+i*h-r*o,this._y=i*l+n*o+r*a-s*h,this._z=r*l+n*h+s*o-i*a,this._w=n*l-s*a-i*o-r*h,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const s=this._x,i=this._y,r=this._z,n=this._w;let a=n*t._w+s*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=n,this._x=s,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*n+e*this._w,this._x=t*s+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const h=Math.sqrt(o),l=Math.atan2(h,a),c=Math.sin((1-e)*l)/h,u=Math.sin(e*l)/h;return this._w=n*c+this._w*u,this._x=s*c+this._x*u,this._y=i*c+this._y*u,this._z=r*c+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ks{constructor(t=0,e=0,s=0){Ks.prototype.isVector3=!0,this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(ei.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(ei.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*i-a*s),l=2*(a*e-r*i),c=2*(r*s-n*e);return this.x=e+o*h+n*c-a*l,this.y=s+o*l+a*h-r*c,this.z=i+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=qs(this.x,t.x,e.x),this.y=qs(this.y,t.y,e.y),this.z=qs(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=qs(this.x,t,e),this.y=qs(this.y,t,e),this.z=qs(this.z,t,e),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(qs(s,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*n-s*o,this.z=s*a-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return ti.copy(this).projectOnVector(t),this.sub(ti)}reflect(t){return this.sub(ti.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(qs(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const ti=new Ks,ei=new Qs;class si{constructor(t,e,s,i,r,n,a,o,h){si.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,a,o,h)}set(t,e,s,i,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=i,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=s,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],this}extractBasis(t,e,s){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),s.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],a=s[3],o=s[6],h=s[1],l=s[4],c=s[7],u=s[2],d=s[5],p=s[8],m=i[0],y=i[3],g=i[6],f=i[1],x=i[4],b=i[7],v=i[2],w=i[5],M=i[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-s*r*l+s*a*o+i*r*h-i*n*o}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+s*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(i*h-l*s)*m,t[2]=(a*s-i*n)*m,t[3]=u*m,t[4]=(l*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(s*o-h*e)*m,t[8]=(n*e-s*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,s,i,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(s*o,s*h,-s*(o*n+h*a)+n+t,-i*h,i*o,-i*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ii.makeScale(t,e)),this}rotate(t){return this.premultiply(ii.makeRotation(-t)),this}translate(t,e){return this.premultiply(ii.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,s,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<9;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<9;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ii=new si;function ri(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ai(t,e){return new ni[t](e)}function oi(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function hi(){const t=oi("canvas");return t.style.display="block",t}const li={};function ci(t){t in li||(li[t]=!0,console.warn(t))}function ui(t,e,s){return new Promise(function(i,r){setTimeout(function n(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(n,s);break;default:i()}},s)})}const di=(new si).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),pi=(new si).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function mi(){const t={enabled:!0,workingColorSpace:Ge,spaces:{},convert:function(t,e,s){return!1!==this.enabled&&e!==s&&e&&s?(this.spaces[e].transfer===Qe&&(t.r=gi(t.r),t.g=gi(t.g),t.b=gi(t.b)),this.spaces[e].primaries!==this.spaces[s].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[s].fromXYZ)),this.spaces[s].transfer===Qe&&(t.r=fi(t.r),t.g=fi(t.g),t.b=fi(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?$e:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,s){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[s].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,s){return ci("THREE.ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,s)},toWorkingColorSpace:function(e,s){return ci("THREE.ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,s)}},e=[.64,.33,.3,.6,.15,.06],s=[.2126,.7152,.0722],i=[.3127,.329];return t.define({[Ge]:{primaries:e,whitePoint:i,transfer:$e,toXYZ:di,fromXYZ:pi,luminanceCoefficients:s,workingColorSpaceConfig:{unpackColorSpace:Ze},outputColorSpaceConfig:{drawingBufferColorSpace:Ze}},[Ze]:{primaries:e,whitePoint:i,transfer:Qe,toXYZ:di,fromXYZ:pi,luminanceCoefficients:s,outputColorSpaceConfig:{drawingBufferColorSpace:Ze}}}),t}const yi=mi();function gi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function fi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let xi;class bi{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let s;if(t instanceof HTMLCanvasElement)s=t;else{void 0===xi&&(xi=oi("canvas")),xi.width=t.width,xi.height=t.height;const e=xi.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),s=xi}return s.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=oi("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t1),this.pmremVersion=0}get width(){return this.source.getSize(_i).x}get height(){return this.source.getSize(_i).y}get depth(){return this.source.getSize(_i).z}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const s=t[e];if(void 0===s){console.warn(`THREE.Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&s&&i.isVector2&&s.isVector2||i&&s&&i.isVector3&&s.isVector3||i&&s&&i.isMatrix3&&s.isMatrix3?i.copy(s):this[e]=s:console.warn(`THREE.Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const s={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case yt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case yt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Ai.DEFAULT_IMAGE=null,Ai.DEFAULT_MAPPING=ot,Ai.DEFAULT_ANISOTROPY=1;class Ti{constructor(t=0,e=0,s=0,i=1){Ti.prototype.isVector4=!0,this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)o&&t>f?tf?o1;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,s=t.textures.length;e=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,Oi),Oi.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Ui),Hi.subVectors(this.max,Ui),Vi.subVectors(t.a,Ui),Fi.subVectors(t.b,Ui),Li.subVectors(t.c,Ui),ji.subVectors(Fi,Vi),Di.subVectors(Li,Fi),Wi.subVectors(Vi,Li);let e=[0,-ji.z,ji.y,0,-Di.z,Di.y,0,-Wi.z,Wi.y,ji.z,0,-ji.x,Di.z,0,-Di.x,Wi.z,0,-Wi.x,-ji.y,ji.x,0,-Di.y,Di.x,0,-Wi.y,Wi.x,0];return!!Xi(e,Vi,Fi,Li,Hi)&&(e=[1,0,0,0,1,0,0,0,1],!!Xi(e,Vi,Fi,Li,Hi)&&(qi.crossVectors(ji,Di),e=[qi.x,qi.y,qi.z],Xi(e,Vi,Fi,Li,Hi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Oi).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Oi).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Pi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Pi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Pi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Pi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Pi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Pi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Pi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Pi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Pi)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Pi=[new Ks,new Ks,new Ks,new Ks,new Ks,new Ks,new Ks,new Ks],Oi=new Ks,Ni=new Ri,Vi=new Ks,Fi=new Ks,Li=new Ks,ji=new Ks,Di=new Ks,Wi=new Ks,Ui=new Ks,Hi=new Ks,qi=new Ks,Ji=new Ks;function Xi(t,e,s,i,r){for(let n=0,a=t.length-3;n<=a;n+=3){Ji.fromArray(t,n);const a=r.x*Math.abs(Ji.x)+r.y*Math.abs(Ji.y)+r.z*Math.abs(Ji.z),o=e.dot(Ji),h=s.dot(Ji),l=i.dot(Ji);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const Yi=new Ri,Zi=new Ks,Gi=new Ks;class $i{constructor(t=new Ks,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const s=this.center;void 0!==e?s.copy(e):Yi.setFromPoints(t).getCenter(s);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector(Zi,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Gi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Gi)),this.expandByPoint(Zi.copy(t.center).sub(Gi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}const Qi=new Ks,Ki=new Ks,tr=new Ks,er=new Ks,sr=new Ks,ir=new Ks,rr=new Ks;class nr{constructor(t=new Ks,e=new Ks(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Qi)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const s=e.dot(this.direction);return s<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,s)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Qi.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Qi.copy(this.origin).addScaledVector(this.direction,e),Qi.distanceToSquared(t))}distanceSqToSegment(t,e,s,i){Ki.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Ki);const r=.5*t.distanceTo(e),n=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),h=er.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,c),i&&i.copy(Ki).addScaledVector(tr,u),d}intersectSphere(t,e){Qi.subVectors(t.center,this.origin);const s=Qi.dot(this.direction),i=Qi.dot(Qi)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),a=s-n,o=s+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(s=(t.min.x-u.x)*h,i=(t.max.x-u.x)*h):(s=(t.max.x-u.x)*h,i=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),s>o||a>i?null:((a>s||s!=s)&&(s=a),(o=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Qi)}intersectTriangle(t,e,s,i,r){sr.subVectors(e,t),ir.subVectors(s,t),rr.crossVectors(sr,ir);let n,a=this.direction.dot(rr);if(a>0){if(i)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}er.subVectors(this.origin,t);const o=n*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const h=n*this.direction.dot(sr.cross(er));if(h<0)return null;if(o+h>a)return null;const l=-n*er.dot(rr);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,s,i,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=s,g[12]=i,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],e[9]=s[9],e[10]=s[10],e[11]=s[11],e[12]=s[12],e[13]=s[13],e[14]=s[14],e[15]=s[15],this}copyPosition(t){const e=this.elements,s=t.elements;return e[12]=s[12],e[13]=s[13],e[14]=s[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,s){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),s.setFromMatrixColumn(this,2),this}makeBasis(t,e,s){return this.set(t.x,e.x,s.x,0,t.y,e.y,s.y,0,t.z,e.z,s.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,s=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),n=1/or.setFromMatrixColumn(t,2).length();return e[0]=s[0]*i,e[1]=s[1]*i,e[2]=s[2]*i,e[3]=0,e[4]=s[4]*r,e[5]=s[5]*r,e[6]=s[6]*r,e[7]=0,e[8]=s[8]*n,e[9]=s[9]*n,e[10]=s[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,s=t.x,i=t.y,r=t.z,n=Math.cos(s),a=Math.sin(s),o=Math.cos(i),h=Math.sin(i),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,s=n*c,i=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=s+i*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=i+s*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,s=o*c,i=h*l,r=h*c;e[0]=t+r*a,e[4]=i*a-s,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=s*a-i,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,s=o*c,i=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=i+s*a,e[1]=s+i*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,s=n*c,i=a*l,r=a*c;e[0]=o*l,e[4]=i*h-s,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=s*h-i,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,s=n*h,i=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=i*c+s,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=s*c+i,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,s=n*h,i=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=s*c-i,e[2]=i*c-s,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(lr,t,cr)}lookAt(t,e,s){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(s,pr),0===ur.lengthSq()&&(1===Math.abs(s.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(s,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],a=s[4],o=s[8],h=s[12],l=s[1],c=s[5],u=s[9],d=s[13],p=s[2],m=s[6],y=s[10],g=s[14],f=s[3],x=s[7],b=s[11],v=s[15],w=i[0],M=i[4],S=i[8],_=i[12],A=i[1],T=i[5],z=i[9],C=i[13],I=i[2],B=i[6],k=i[10],E=i[14],R=i[3],P=i[7],O=i[11],N=i[15];return r[0]=n*w+a*A+o*I+h*R,r[4]=n*M+a*T+o*B+h*P,r[8]=n*S+a*z+o*k+h*O,r[12]=n*_+a*C+o*E+h*N,r[1]=l*w+c*A+u*I+d*R,r[5]=l*M+c*T+u*B+d*P,r[9]=l*S+c*z+u*k+d*O,r[13]=l*_+c*C+u*E+d*N,r[2]=p*w+m*A+y*I+g*R,r[6]=p*M+m*T+y*B+g*P,r[10]=p*S+m*z+y*k+g*O,r[14]=p*_+m*C+y*E+g*N,r[3]=f*w+x*A+b*I+v*R,r[7]=f*M+x*T+b*B+v*P,r[11]=f*S+x*z+b*k+v*O,r[15]=f*_+x*C+b*E+v*N,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14];return t[3]*(+r*o*c-i*h*c-r*a*u+s*h*u+i*a*d-s*o*d)+t[7]*(+e*o*d-e*h*u+r*n*u-i*n*d+i*h*l-r*o*l)+t[11]*(+e*h*c-e*a*d-r*n*c+s*n*d+r*a*l-s*h*l)+t[15]*(-i*a*l-e*o*c+e*a*u+i*n*c-s*n*u+s*o*l)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,s){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=s),this}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=c*y*h-m*u*h+m*o*d-a*y*d-c*o*g+a*u*g,x=p*u*h-l*y*h-p*o*d+n*y*d+l*o*g-n*u*g,b=l*m*h-p*c*h+p*a*d-n*m*d-l*a*g+n*c*g,v=p*c*o-l*m*o-p*a*u+n*m*u+l*a*y-n*c*y,w=e*f+s*x+i*b+r*v;if(0===w)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const M=1/w;return t[0]=f*M,t[1]=(m*u*r-c*y*r-m*i*d+s*y*d+c*i*g-s*u*g)*M,t[2]=(a*y*r-m*o*r+m*i*h-s*y*h-a*i*g+s*o*g)*M,t[3]=(c*o*r-a*u*r-c*i*h+s*u*h+a*i*d-s*o*d)*M,t[4]=x*M,t[5]=(l*y*r-p*u*r+p*i*d-e*y*d-l*i*g+e*u*g)*M,t[6]=(p*o*r-n*y*r-p*i*h+e*y*h+n*i*g-e*o*g)*M,t[7]=(n*u*r-l*o*r+l*i*h-e*u*h-n*i*d+e*o*d)*M,t[8]=b*M,t[9]=(p*c*r-l*m*r-p*s*d+e*m*d+l*s*g-e*c*g)*M,t[10]=(n*m*r-p*a*r+p*s*h-e*m*h-n*s*g+e*a*g)*M,t[11]=(l*a*r-n*c*r-l*s*h+e*c*h+n*s*d-e*a*d)*M,t[12]=v*M,t[13]=(l*m*i-p*c*i+p*s*u-e*m*u-l*s*y+e*c*y)*M,t[14]=(p*a*i-n*m*i-p*s*o+e*m*o+n*s*y-e*a*y)*M,t[15]=(n*c*i-l*a*i+l*s*o-e*c*o-n*s*u+e*a*u)*M,this}scale(t){const e=this.elements,s=t.x,i=t.y,r=t.z;return e[0]*=s,e[4]*=i,e[8]*=r,e[1]*=s,e[5]*=i,e[9]*=r,e[2]*=s,e[6]*=i,e[10]*=r,e[3]*=s,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],s=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,s,i))}makeTranslation(t,e,s){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,s,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),s=Math.sin(t);return this.set(1,0,0,0,0,e,-s,0,0,s,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,0,s,0,0,1,0,0,-s,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,0,s,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const s=Math.cos(e),i=Math.sin(e),r=1-s,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+s,h*a-i*o,h*o+i*a,0,h*a+i*o,l*a+s,l*o-i*n,0,h*o-i*a,l*o+i*n,r*o*o+s,0,0,0,0,1),this}makeScale(t,e,s){return this.set(t,0,0,0,0,e,0,0,0,0,s,0,0,0,0,1),this}makeShear(t,e,s,i,r,n){return this.set(1,s,r,0,t,1,n,0,e,i,1,0,0,0,0,1),this}compose(t,e,s){const i=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=s.x,w=s.y,M=s.z;return i[0]=(1-(m+g))*v,i[1]=(d+b)*v,i[2]=(p-x)*v,i[3]=0,i[4]=(d-b)*w,i[5]=(1-(u+g))*w,i[6]=(y+f)*w,i[7]=0,i[8]=(p+x)*M,i[9]=(y-f)*M,i[10]=(1-(u+m))*M,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,s){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const n=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],hr.copy(this);const o=1/r,h=1/n,l=1/a;return hr.elements[0]*=o,hr.elements[1]*=o,hr.elements[2]*=o,hr.elements[4]*=h,hr.elements[5]*=h,hr.elements[6]*=h,hr.elements[8]*=l,hr.elements[9]*=l,hr.elements[10]*=l,e.setFromRotationMatrix(hr),s.x=r,s.y=n,s.z=a,this}makePerspective(t,e,s,i,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(s-i),u=(e+t)/(e-t),d=(s+i)/(s-i);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Ps)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Os)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,s,i,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(s-i),u=-(e+t)/(e-t),d=-(s+i)/(s-i);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Ps)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Os)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<16;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<16;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t[e+9]=s[9],t[e+10]=s[10],t[e+11]=s[11],t[e+12]=s[12],t[e+13]=s[13],t[e+14]=s[14],t[e+15]=s[15],t}}const or=new Ks,hr=new ar,lr=new Ks(0,0,0),cr=new Ks(1,1,1),ur=new Ks,dr=new Ks,pr=new Ks,mr=new ar,yr=new Qs;class gr{constructor(t=0,e=0,s=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=s,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,s,i=this._order){return this._x=t,this._y=e,this._z=s,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,s=!0){const i=t.elements,r=i[0],n=i[4],a=i[8],o=i[1],h=i[5],l=i[9],c=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(qs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-qs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(qs(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-qs(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(qs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-qs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===s&&this._onChangeCallback(),this}setFromQuaternion(t,e,s){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,s)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return yr.setFromEuler(this),this.setFromQuaternion(yr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class fr{constructor(){this.mask=1}set(t){this.mask=1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),i.instanceInfo=this._instanceInfo.map(t=>({...t})),i.availableInstanceIds=this._availableInstanceIds.slice(),i.availableGeometryIds=this._availableGeometryIds.slice(),i.nextIndexStart=this._nextIndexStart,i.nextVertexStart=this._nextVertexStart,i.geometryCount=this._geometryCount,i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.matricesTexture=this._matricesTexture.toJSON(t),i.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(i.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),a.length>0&&(s.images=a),o.length>0&&(s.shapes=o),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),c.length>0&&(s.nodes=c)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Pr.subVectors(i,e),Or.subVectors(s,e),Nr.subVectors(t,e);const n=Pr.dot(Pr),a=Pr.dot(Or),o=Pr.dot(Nr),h=Or.dot(Or),l=Or.dot(Nr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Vr)&&(Vr.x>=0&&Vr.y>=0&&Vr.x+Vr.y<=1)}static getInterpolation(t,e,s,i,r,n,a,o){return null===this.getBarycoord(t,e,s,i,Vr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Vr.x),o.addScaledVector(n,Vr.y),o.addScaledVector(a,Vr.z),o)}static getInterpolatedAttribute(t,e,s,i,r,n){return Hr.setScalar(0),qr.setScalar(0),Jr.setScalar(0),Hr.fromBufferAttribute(t,e),qr.fromBufferAttribute(t,s),Jr.fromBufferAttribute(t,i),n.setScalar(0),n.addScaledVector(Hr,r.x),n.addScaledVector(qr,r.y),n.addScaledVector(Jr,r.z),n}static isFrontFacing(t,e,s,i){return Pr.subVectors(s,e),Or.subVectors(t,e),Pr.cross(Or).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Pr.subVectors(this.c,this.b),Or.subVectors(this.a,this.b),.5*Pr.cross(Or).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Xr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Xr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return Xr.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return Xr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Xr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,a;Fr.subVectors(i,s),Lr.subVectors(r,s),Dr.subVectors(t,s);const o=Fr.dot(Dr),h=Lr.dot(Dr);if(o<=0&&h<=0)return e.copy(s);Wr.subVectors(t,i);const l=Fr.dot(Wr),c=Lr.dot(Wr);if(l>=0&&c<=l)return e.copy(i);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(s).addScaledVector(Fr,n);Ur.subVectors(t,r);const d=Fr.dot(Ur),p=Lr.dot(Ur);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(s).addScaledVector(Lr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return jr.subVectors(r,i),a=(c-l)/(c-l+(d-p)),e.copy(i).addScaledVector(jr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(s).addScaledVector(Fr,n).addScaledVector(Lr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Yr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Zr={h:0,s:0,l:0},Gr={h:0,s:0,l:0};function $r(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class Qr{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ze){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,yi.colorSpaceToWorking(this,e),this}setRGB(t,e,s,i=yi.workingColorSpace){return this.r=t,this.g=e,this.b=s,yi.colorSpaceToWorking(this,i),this}setHSL(t,e,s,i=yi.workingColorSpace){if(t=Js(t,1),e=qs(e,0,1),s=qs(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=$r(r,i,t+1/3),this.g=$r(r,i,t),this.b=$r(r,i,t-1/3)}return yi.colorSpaceToWorking(this,i),this}setStyle(t,e=Ze){function s(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],a=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ze){const s=Yr[t.toLowerCase()];return void 0!==s?this.setHex(s,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=gi(t.r),this.g=gi(t.g),this.b=gi(t.b),this}copyLinearToSRGB(t){return this.r=fi(t.r),this.g=fi(t.g),this.b=fi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ze){return yi.workingToColorSpace(Kr.copy(this),t),65536*Math.round(qs(255*Kr.r,0,255))+256*Math.round(qs(255*Kr.g,0,255))+Math.round(qs(255*Kr.b,0,255))}getHexString(t=Ze){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=yi.workingColorSpace){yi.workingToColorSpace(Kr.copy(this),e);const s=Kr.r,i=Kr.g,r=Kr.b,n=Math.max(s,i,r),a=Math.min(s,i,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case s:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(s.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(s.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),0!==this.side&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),204!==this.blendSrc&&(s.blendSrc=this.blendSrc),205!==this.blendDst&&(s.blendDst=this.blendDst),100!==this.blendEquation&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==ts&&(s.stencilFail=this.stencilFail),this.stencilZFail!==ts&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==ts&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class sn extends en{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Qr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const rn=nn();function nn(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;!(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function an(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=qs(t,-65504,65504),rn.floatView[0]=t;const e=rn.uint32View[0],s=e>>23&511;return rn.baseTable[s]+((8388607&e)>>rn.shiftTable[s])}function on(t){const e=t>>10;return rn.uint32View[0]=rn.mantissaTable[rn.offsetTable[e]+(1023&t)]+rn.exponentTable[e],rn.floatView[0]}class hn{static toHalfFloat(t){return an(t)}static fromHalfFloat(t){return on(t)}}const ln=new Ks,cn=new $s;let un=0;class dn{constructor(t,e,s=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:un++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=Ss,this.updateRanges=[],this.gpuType=Et,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;ie.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ri);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ks(-1/0,-1/0,-1/0),new Ks(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,s=e.length;t0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone());const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t(t.far-t.near)**2)return}Bn.copy(r).invert(),kn.copy(t.ray).applyMatrix4(Bn),null!==s.boundingBox&&!1===kn.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,kn)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;rs.far?null:{distance:l,point:jn.clone(),object:t}}(t,e,s,i,Pn,On,Nn,Ln);if(c){const t=new Ks;Xr.getBarycoord(Ln,Pn,On,Nn,t),r&&(c.uv=Xr.getInterpolatedAttribute(r,o,h,l,t,new $s)),n&&(c.uv1=Xr.getInterpolatedAttribute(n,o,h,l,t,new $s)),a&&(c.normal=Xr.getInterpolatedAttribute(a,o,h,l,t,new Ks),c.normal.dot(i.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new Ks,materialIndex:0};Xr.getNormal(Pn,On,Nn,e.normal),c.face=e,c.barycoord=t}return c}class Un extends In{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const a=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,s,i,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new Ks;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}}class Zn extends Rr{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Ps,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Gn=new Ks,$n=new $s,Qn=new $s;class Kn extends Zn{constructor(t=50,e=1,s=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=s,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Us*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Ws*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Us*Math.atan(Math.tan(.5*Ws*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,s){Gn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Gn.x,Gn.y).multiplyScalar(-t/Gn.z),Gn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),s.set(Gn.x,Gn.y).multiplyScalar(-t/Gn.z)}getViewSize(t,e){return this.getViewBounds(t,$n,Qn),e.subVectors(Qn,$n)}setViewOffset(t,e,s,i,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Ws*this.fov)/this.zoom,s=2*e,i=this.aspect*s,r=-.5*i;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*i/t,e-=n.offsetY*s/a,i*=n.width/t,s*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-s,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ta=-90;class ea extends Rr{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new Kn(ta,1,t,e);i.layers=this.layers,this.add(i);const r=new Kn(ta,1,t,e);r.layers=this.layers,this.add(r);const n=new Kn(ta,1,t,e);n.layers=this.layers,this.add(n);const a=new Kn(ta,1,t,e);a.layers=this.layers,this.add(a);const o=new Kn(ta,1,t,e);o.layers=this.layers,this.add(o);const h=new Kn(ta,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Ps)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Os)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1,t.setRenderTarget(s,0,i),t.render(e,r),t.setRenderTarget(s,1,i),t.render(e,n),t.setRenderTarget(s,2,i),t.render(e,a),t.setRenderTarget(s,3,i),t.render(e,o),t.setRenderTarget(s,4,i),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class sa extends Ai{constructor(t=[],e=301,s,i,r,n,a,o,h,l){super(t,e,s,i,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ia extends Ci{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const s={width:t,height:t,depth:1},i=[s,s,s,s,s,s];this.texture=new sa(i),this._setTextureOptions(e),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const s={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Un(5,5,5),r=new Yn({name:"CubemapFromEquirect",uniforms:Hn(s.uniforms),vertexShader:s.vertexShader,fragmentShader:s.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=e;const n=new Dn(i,r),a=e.minFilter;e.minFilter===_t&&(e.minFilter=wt);return new ea(1,10,this).update(t,n),e.minFilter=a,n.geometry.dispose(),n.material.dispose(),this}clear(t,e=!0,s=!0,i=!0){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,s,i);t.setRenderTarget(r)}}class ra extends Rr{constructor(){super(),this.isGroup=!0,this.type="Group"}}const na={type:"move"};class aa{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new ra,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new ra,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ks,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ks),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new ra,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ks,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ks),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const s of t.hand.values())this._getHandJoint(e,s)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,s){let i=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,s),r=this._getHandJoint(h,i);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const i=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,s),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,s),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(na)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const s=new ra;s.matrixAutoUpdate=!1,s.visible=!1,t.joints[e.jointName]=s,t.add(s)}return t.joints[e.jointName]}}class oa{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Qr(t),this.density=e}clone(){return new oa(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class ha{constructor(t,e=1,s=1e3){this.isFog=!0,this.name="",this.color=new Qr(t),this.near=e,this.far=s}clone(){return new ha(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class la extends Rr{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ca{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Ss,this.updateRanges=[],this.version=0,this.uuid=Hs()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,s){t*=this.stride,s*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:ya.clone(),uv:Xr.getInterpolation(ya,wa,Ma,Sa,_a,Aa,Ta,new $s),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function Ca(t,e,s,i,r,n){xa.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(ba.x=n*xa.x-r*xa.y,ba.y=r*xa.x+n*xa.y):ba.copy(xa),t.copy(e),t.x+=ba.x,t.y+=ba.y,t.applyMatrix4(va)}const Ia=new Ks,Ba=new Ks;class ka extends Rr{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t0){let s,i;for(s=1,i=e.length;s0){Ia.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(Ia);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Ia.setFromMatrixPosition(t.matrixWorld),Ba.setFromMatrixPosition(this.matrixWorld);const s=Ia.distanceTo(Ba)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i1?null:e.copy(t.start).addScaledVector(s,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||ro.getNormalMatrix(t),i=this.coplanarPoint(so).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ao=new $i,oo=new $s(.5,.5),ho=new Ks;class lo{constructor(t=new no,e=new no,s=new no,i=new no,r=new no,n=new no){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(s),a[3].copy(i),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3,s=!1){const i=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(i[0].setComponents(h-n,d-l,g-p,v-f).normalize(),i[1].setComponents(h+n,d+l,g+p,v+f).normalize(),i[2].setComponents(h+a,d+c,g+m,v+x).normalize(),i[3].setComponents(h-a,d-c,g-m,v-x).normalize(),s)i[4].setComponents(o,u,y,b).normalize(),i[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(i[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Ps)i[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Os)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);i[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ao.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ao.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ao)}intersectsSprite(t){ao.center.set(0,0,0);const e=oo.distanceTo(t.center);return ao.radius=.7071067811865476+e,ao.applyMatrix4(t.matrixWorld),this.intersectsSphere(ao)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)0?t.max.x:t.min.x,ho.y=i.normal.y>0?t.max.y:t.min.y,ho.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ho)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const co=new ar,uo=new lo;class po{constructor(){this.coordinateSystem=Ps}intersectsObject(t,e){if(!e.isArrayCamera||0===e.cameras.length)return!1;for(let s=0;s=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=s,a.index=i}reset(){this.list.length=0,this.index=0}}const xo=new ar,bo=new Qr(1,1,1),vo=new lo,wo=new po,Mo=new Ri,So=new $i,_o=new Ks,Ao=new Ks,To=new Ks,zo=new fo,Co=new Dn,Io=[];function Bo(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new dn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`THREE.BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ri);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let s=0,i=e.length;s=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let s=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(mo),s=this._availableInstanceIds.shift(),this._instanceInfo[s]=e):(s=this._instanceInfo.length,this._instanceInfo.push(e));const i=this._matricesTexture;xo.identity().toArray(i.image.data,16*s),i.needsUpdate=!0;const r=this._colorsTexture;return r&&(bo.toArray(r.image.data,4*s),r.needsUpdate=!0),this._visibilityChanged=!0,s}addGeometry(t,e=-1,s=-1){this._initializeGeometry(t),this._validateGeometry(t);const i={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;i.vertexStart=this._nextVertexStart,i.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(i.indexStart=this._nextIndexStart,i.reservedIndexCount=-1===s?n.count:s),-1!==i.indexStart&&i.indexStart+i.reservedIndexCount>this._maxIndexCount||i.vertexStart+i.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(mo),a=this._availableGeometryIds.shift(),r[a]=i):(a=this._geometryCount,this._geometryCount++,r.push(i)),this.setGeometryAt(a,t),this._nextIndexStart=i.indexStart+i.reservedIndexCount,this._nextVertexStart=i.vertexStart+i.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(i&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Bo(i,r,o);const n=i.itemSize;for(let t=i.count,e=h;t=e.length||!1===e[t].active)return this;const s=this._instanceInfo;for(let e=0,i=s.length;ee).sort((t,e)=>s[t].vertexStart-s[e].vertexStart),r=this.geometry;for(let n=0,a=s.length;n=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingBox){const t=new Ri,e=s.index,r=s.attributes.position;for(let s=i.start,n=i.start+i.count;s=this._geometryCount)return null;const s=this.geometry,i=this._geometryInfo[t];if(null===i.boundingSphere){const e=new $i;this.getBoundingBoxAt(t,Mo),Mo.getCenter(e.center);const r=s.index,n=s.attributes.position;let a=0;for(let t=i.start,s=i.start+i.count;tt.active);if(Math.max(...s.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...s.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const i=this.geometry;i.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new In,this._initializeGeometry(i));const r=this.geometry;i.index&&ko(i.index.array,r.index.array);for(const t in i.attributes)ko(i.attributes[t].array,r.attributes[t].array)}raycast(t,e){const s=this._instanceInfo,i=this._geometryInfo,r=this.matrixWorld,n=this.geometry;Co.material=this.material,Co.geometry.index=n.index,Co.geometry.attributes=n.attributes,null===Co.geometry.boundingBox&&(Co.geometry.boundingBox=new Ri),null===Co.geometry.boundingSphere&&(Co.geometry.boundingSphere=new $i);for(let n=0,a=s.length;n({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex(),a=null===n?1:n.array.BYTES_PER_ELEMENT,o=this._instanceInfo,h=this._multiDrawStarts,l=this._multiDrawCounts,c=this._geometryInfo,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data,m=s.isArrayCamera?wo:vo;u&&!s.isArrayCamera&&(xo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),vo.setFromProjectionMatrix(xo,s.coordinateSystem,s.reversedDepth));let y=0;if(this.sortObjects){xo.copy(this.matrixWorld).invert(),_o.setFromMatrixPosition(s.matrixWorld).applyMatrix4(xo),Ao.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(xo);for(let t=0,e=o.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;ti)return;Lo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(Lo);return he.far?void 0:{distance:h,point:jo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Uo=new Ks,Ho=new Ks;class qo extends Do{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;tr.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:s,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class th extends Ai{constructor(t,e,s,i,r=1006,n=1006,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),super.dispose()}}class eh extends th{constructor(t,e,s,i,r,n,a,o){super({},t,e,s,i,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class sh extends Ai{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class ih extends Ai{constructor(t,e,s,i,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,i,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class rh extends ih{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class nh extends ih{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,ht),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class ah extends Ai{constructor(t,e,s,i,r,n,a,o,h){super(t,e,s,i,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class oh extends Ai{constructor(t,e,s=1014,i,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Wt&&1027!==l)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},i,r,n,a,o,l,s,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new wi(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class hh extends Ai{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class lh extends In{constructor(t=1,e=1,s=4,i=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:s,radialSegments:i,heightSegments:r},e=Math.max(0,e),s=Math.max(1,Math.floor(s)),i=Math.max(3,Math.floor(i)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*s+r,m=i+1,y=new Ks,g=new Ks;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=s){const e=f/s,i=e*Math.PI/2;b=-l-t*Math.cos(i),v=t*Math.sin(i),w=-t*Math.cos(i),x=e*c}else if(f<=s+r){const i=(f-s)/r;b=i*e-l,v=t,w=0,x=c+i*u}else{const e=(f-s-r)/s,i=e*Math.PI/2;b=l+t*Math.sin(i),v=t*Math.cos(i),w=t*Math.sin(i),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/i:f===p&&(S=-.5/i);for(let t=0;t<=i;t++){const e=t/i,s=e*Math.PI*2,r=Math.sin(s),n=Math.cos(s);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e0||0!==i)&&(l.push(n,a,h),x+=3),(e>0||i!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new wn(c,3)),this.setAttribute("normal",new wn(u,3)),this.setAttribute("uv",new wn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new uh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class dh extends uh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,s,i,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new dh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class ph extends In{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function a(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const a=t.clone().lerp(s,i/r),o=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/h)}for(let t=0;t.9&&a<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new wn(r,3)),this.setAttribute("normal",new wn(r.slice(),3)),this.setAttribute("uv",new wn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new ph(t.vertices,t.indices,t.radius,t.details)}}class mh extends ph{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new mh(t.radius,t.detail)}}const yh=new Ks,gh=new Ks,fh=new Ks,xh=new Xr;class bh extends In{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const s=4,i=Math.pow(10,s),r=Math.cos(Ws*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),a=this.getPoint(r),o=e||(n.isVector2?new $s:new Ks);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e=!1){const s=new Ks,i=[],r=[],n=[],a=new Ks,o=new ar;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ks)}r[0]=new Ks,n[0]=new Ks;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),c=Math.abs(i[0].y),u=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),c<=h&&(h=c,s.set(0,1,0)),u<=h&&s.set(0,0,1),a.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],a),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(qs(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(qs(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(o.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class wh extends vh{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $s){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=i[(h-1)%r]:(_h.subVectors(i[0],i[1]).add(i[0]),a=_h);const c=i[h%r],u=i[(h+1)%r];if(this.closed||h+2i.length-2?i.length-1:n+1],c=i[n>i.length-3?i.length-1:n+2];return s.set(Ih(a,o.x,h.x,l.x,c.x),Ih(a,o.y,h.y,l.y,c.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e=s){const t=i[r]-s,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Wh extends Dh{constructor(t){super(t),this.uuid=Hs(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let s=0,i=this.holes.length;s80*s){o=1/0,h=1/0;let e=-1/0,i=-1/0;for(let n=s;ne&&(e=s),r>i&&(i=r)}l=Math.max(e-o,i-h),l=0!==l?32767/l:0}return Jh(n,a,s,o,h,l,0),a}function Hh(t,e,s,i,r){let n;if(r===function(t,e,s,i){let r=0;for(let n=e,a=s-i;n0)for(let r=e;r=e;r-=i)n=dl(r/i|0,t[r],t[r+1],n);return n&&al(n,n.next)&&(pl(n),n=n.next),n}function qh(t,e){if(!t)return t;e||(e=t);let s,i=t;do{if(s=!1,i.steiner||!al(i,i.next)&&0!==nl(i.prev,i,i.next))i=i.next;else{if(pl(i),i=e=i.prev,i===i.next)break;s=!0}}while(s||i!==e);return e}function Jh(t,e,s,i,r,n,a){if(!t)return;!a&&n&&function(t,e,s,i){let r=t;do{0===r.z&&(r.z=tl(r.x,r.y,e,s,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,s=1;do{let i,r=t;t=null;let n=null;for(e=0;r;){e++;let a=r,o=0;for(let t=0;t0||h>0&&a;)0!==o&&(0===h||!a||r.z<=a.z)?(i=r,r=r.nextZ,o--):(i=a,a=a.nextZ,h--),n?n.nextZ=i:t=i,i.prevZ=n,n=i;r=a}n.nextZ=null,s*=2}while(e>1)}(r)}(t,i,r,n);let o=t;for(;t.prev!==t.next;){const h=t.prev,l=t.next;if(n?Yh(t,i,r,n):Xh(t))e.push(h.i,t.i,l.i),pl(t),t=l.next,o=l.next;else if((t=l)===o){a?1===a?Jh(t=Zh(qh(t),e),e,s,i,r,n,2):2===a&&Gh(t,e,s,i,r,n):Jh(qh(t),e,s,i,r,n,1);break}}}function Xh(t){const e=t.prev,s=t,i=t.next;if(nl(e,s,i)>=0)return!1;const r=e.x,n=s.x,a=i.x,o=e.y,h=s.y,l=i.y,c=Math.min(r,n,a),u=Math.min(o,h,l),d=Math.max(r,n,a),p=Math.max(o,h,l);let m=i.next;for(;m!==e;){if(m.x>=c&&m.x<=d&&m.y>=u&&m.y<=p&&il(r,o,n,h,a,l,m.x,m.y)&&nl(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Yh(t,e,s,i){const r=t.prev,n=t,a=t.next;if(nl(r,n,a)>=0)return!1;const o=r.x,h=n.x,l=a.x,c=r.y,u=n.y,d=a.y,p=Math.min(o,h,l),m=Math.min(c,u,d),y=Math.max(o,h,l),g=Math.max(c,u,d),f=tl(p,m,e,s,i),x=tl(y,g,e,s,i);let b=t.prevZ,v=t.nextZ;for(;b&&b.z>=f&&v&&v.z<=x;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&il(o,c,h,u,l,d,b.x,b.y)&&nl(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&il(o,c,h,u,l,d,v.x,v.y)&&nl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=f;){if(b.x>=p&&b.x<=y&&b.y>=m&&b.y<=g&&b!==r&&b!==a&&il(o,c,h,u,l,d,b.x,b.y)&&nl(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=y&&v.y>=m&&v.y<=g&&v!==r&&v!==a&&il(o,c,h,u,l,d,v.x,v.y)&&nl(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function Zh(t,e){let s=t;do{const i=s.prev,r=s.next.next;!al(i,r)&&ol(i,s,s.next,r)&&cl(i,r)&&cl(r,i)&&(e.push(i.i,s.i,r.i),pl(s),pl(s.next),s=t=r),s=s.next}while(s!==t);return qh(s)}function Gh(t,e,s,i,r,n){let a=t;do{let t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&rl(a,t)){let o=ul(a,t);return a=qh(a,a.next),o=qh(o,o.next),Jh(a,e,s,i,r,n,0),void Jh(o,e,s,i,r,n,0)}t=t.next}a=a.next}while(a!==t)}function $h(t,e){let s=t.x-e.x;if(0===s&&(s=t.y-e.y,0===s)){s=(t.next.y-t.y)/(t.next.x-t.x)-(e.next.y-e.y)/(e.next.x-e.x)}return s}function Qh(t,e){const s=function(t,e){let s=e;const i=t.x,r=t.y;let n,a=-1/0;if(al(t,s))return s;do{if(al(t,s.next))return s.next;if(r<=s.y&&r>=s.next.y&&s.next.y!==s.y){const t=s.x+(r-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(t<=i&&t>a&&(a=t,n=s.x=s.x&&s.x>=h&&i!==s.x&&sl(rn.x||s.x===n.x&&Kh(n,s)))&&(n=s,c=e)}s=s.next}while(s!==o);return n}(t,e);if(!s)return e;const i=ul(s,t);return qh(i,i.next),qh(s,s.next)}function Kh(t,e){return nl(t.prev,t,e.prev)<0&&nl(e.next,t,t.next)<0}function tl(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function el(t){let e=t,s=t;do{(e.x=(t-a)*(n-o)&&(t-a)*(i-o)>=(s-a)*(e-o)&&(s-a)*(n-o)>=(r-a)*(i-o)}function il(t,e,s,i,r,n,a,o){return!(t===a&&e===o)&&sl(t,e,s,i,r,n,a,o)}function rl(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&ol(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(cl(t,e)&&cl(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(nl(t.prev,t,e.prev)||nl(t,e.prev,e))||al(t,e)&&nl(t.prev,t,t.next)>0&&nl(e.prev,e,e.next)>0)}function nl(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function al(t,e){return t.x===e.x&&t.y===e.y}function ol(t,e,s,i){const r=ll(nl(t,e,s)),n=ll(nl(t,e,i)),a=ll(nl(s,i,t)),o=ll(nl(s,i,e));return r!==n&&a!==o||(!(0!==r||!hl(t,s,e))||(!(0!==n||!hl(t,i,e))||(!(0!==a||!hl(s,t,i))||!(0!==o||!hl(s,e,i)))))}function hl(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function ll(t){return t>0?1:t<0?-1:0}function cl(t,e){return nl(t.prev,t,t.next)<0?nl(t,e,t.next)>=0&&nl(t,t.prev,e)>=0:nl(t,e,t.prev)<0||nl(t,t.next,e)<0}function ul(t,e){const s=ml(t.i,t.x,t.y),i=ml(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function dl(t,e,s,i){const r=ml(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function pl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function ml(t,e,s){return{i:t,x:e,y:s,prev:null,next:null,z:0,prevZ:null,nextZ:null,steiner:!1}}class yl{static triangulate(t,e,s=2){return Uh(t,e,s)}}class gl{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function xl(t,e){for(let s=0;sNumber.EPSILON){const u=Math.sqrt(c),d=Math.sqrt(h*h+l*l),p=e.x-o/u,m=e.y+a/u,y=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(a*l-o*h);i=p+a*y-t.x,r=m+o*y-t.y;const g=i*i+r*r;if(g<=2)return new $s(i,r);n=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?h>Number.EPSILON&&(t=!0):a<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(l)&&(t=!0),t?(i=-o,r=a,n=Math.sqrt(c)):(i=a,r=o,n=Math.sqrt(c/2))}return new $s(i/n,r/n)}const k=[];for(let t=0,e=z.length,s=e-1,i=t+1;t=0;t--){const e=t/p,s=c*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=o+2*p;t0)&&d.push(e,r,h),(t!==s-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Ll extends en{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Qr(16777215),this.specular=new Qr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Qr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class jl extends en{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Qr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Qr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Dl extends en{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Wl extends en{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Qr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Qr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Ul extends en{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class Hl extends en{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class ql extends en{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Qr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $s(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Jl extends Ro{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Xl(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function Yl(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Zl(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort(function(e,s){return t[e]-t[s]}),s}function Gl(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,a=0;a!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[a++]=t[i+s]}return r}function $l(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let a=n[i];if(void 0!==a)if(Array.isArray(a))do{a=n[i],void 0!==a&&(e.push(n.time),s.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[i],void 0!==a&&(e.push(n.time),a.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{a=n[i],void 0!==a&&(e.push(n.time),s.push(a)),n=t[r++]}while(void 0!==n)}class Ql{static convertArray(t,e){return Xl(t,e)}static isTypedArray(t){return Yl(t)}static getKeyframeOrder(t){return Zl(t)}static sortedArray(t,e,s){return Gl(t,e,s)}static flattenJSON(t,e,s,i){$l(t,e,s,i)}static subclip(t,e,s,i,r=30){return function(t,e,s,i,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t=i)){h.push(e.times[t]);for(let s=0;sn.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*h+o,e=t+h-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,s=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,s)}"quaternion"===r&&(new Qs).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t=r)){const a=e[1];t=r)break e}n=s,s=0;break s}break t}for(;s>>1;te;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&Yl(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Re,r=t.length-1;let n=1;for(let a=1;a0){t[n]=t[r];for(let t=r*s,i=n*s,a=0;a!==s;++a)e[i+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}ic.prototype.ValueTypeName="",ic.prototype.TimeBufferType=Float32Array,ic.prototype.ValueBufferType=Float32Array,ic.prototype.DefaultInterpolation=Ee;class rc extends ic{constructor(t,e,s){super(t,e,s)}}rc.prototype.ValueTypeName="bool",rc.prototype.ValueBufferType=Array,rc.prototype.DefaultInterpolation=ke,rc.prototype.InterpolantFactoryMethodLinear=void 0,rc.prototype.InterpolantFactoryMethodSmooth=void 0;class nc extends ic{constructor(t,e,s,i){super(t,e,s,i)}}nc.prototype.ValueTypeName="color";class ac extends ic{constructor(t,e,s,i){super(t,e,s,i)}}ac.prototype.ValueTypeName="number";class oc extends Kl{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(s-e)/(i-e);let h=t*a;for(let t=h+a;h!==t;h+=4)Qs.slerpFlat(r,0,n,h-a,n,h,o);return r}}class hc extends ic{constructor(t,e,s,i){super(t,e,s,i)}InterpolantFactoryMethodLinear(t){return new oc(this.times,this.values,this.getValueSize(),t)}}hc.prototype.ValueTypeName="quaternion",hc.prototype.InterpolantFactoryMethodSmooth=void 0;class lc extends ic{constructor(t,e,s){super(t,e,s)}}lc.prototype.ValueTypeName="string",lc.prototype.ValueBufferType=Array,lc.prototype.DefaultInterpolation=ke,lc.prototype.InterpolantFactoryMethodLinear=void 0,lc.prototype.InterpolantFactoryMethodSmooth=void 0;class cc extends ic{constructor(t,e,s,i){super(t,e,s,i)}}cc.prototype.ValueTypeName="vector";class uc{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=Hs(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(dc(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,i=s.length;t!==i;++t)e.push(ic.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}static parseAnimation(t,e){if(console.warn("THREE.AnimationClip: parseAnimation() is deprecated and will be removed with r185"),!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const s=function(t,e,s,i,r){if(0!==s.length){const n=[],a=[];$l(s,n,a,i),0!==n.length&&r.push(new t(e,n,a))}},i=[],r=t.name||"default",n=t.fps||30,a=t.blendMode;let o=t.length||-1;const h=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)},0),r;if(void 0!==fc[t])return void fc[t].push({onLoad:e,onProgress:s,onError:i});fc[t]=[],fc[t].push({onLoad:e,onProgress:s,onError:i});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const s=fc[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,a=0!==n;let o=0;const h=new ReadableStream({start(t){!function e(){i.read().then(({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:n});for(let t=0,e=s.length;t{t.error(e)})}()}});return new Response(h)}throw new xc(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)}).then(t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then(t=>(new DOMParser).parseFromString(t,a));case"json":return t.json();default:if(""===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),s=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(s);return t.arrayBuffer().then(t=>i.decode(t))}}}).then(e=>{pc.add(`file:${t}`,e);const s=fc[t];delete fc[t];for(let t=0,i=s.length;t{const s=fc[t];if(void 0===s)throw this.manager.itemError(t),e;delete fc[t];for(let t=0,i=s.length;t{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class vc extends gc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new bc(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}},s,i)}parse(t){const e=[];for(let s=0;s0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=s(r.value);break;case"c":i.uniforms[e].value=(new Qr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $s).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Ks).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Ti).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new si).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=s(t.map)),void 0!==t.matcap&&(i.matcap=s(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=s(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=s(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=s(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $s).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=s(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=s(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=s(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=s(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=s(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=s(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=s(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=s(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=s(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=s(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=s(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=s(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=s(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=s(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $s).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=s(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=s(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=s(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=s(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=s(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=s(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=s(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return Xc.createMaterialFromType(t)}static createMaterialFromType(t){return new{ShadowMaterial:Ol,SpriteMaterial:pa,RawShaderMaterial:Nl,ShaderMaterial:Yn,PointsMaterial:Xo,MeshPhysicalMaterial:Fl,MeshStandardMaterial:Vl,MeshPhongMaterial:Ll,MeshToonMaterial:jl,MeshNormalMaterial:Dl,MeshLambertMaterial:Wl,MeshDepthMaterial:Ul,MeshDistanceMaterial:Hl,MeshBasicMaterial:sn,MeshMatcapMaterial:ql,LineDashedMaterial:Jl,LineBasicMaterial:Ro,Material:en}[t]}}class Yc{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class Zc extends In{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class Gc extends gc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new bc(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}},s,i)}parse(t){const e={},s={};function i(t,i){if(void 0!==e[i])return e[i];const r=t.interleavedBuffers[i],n=function(t,e){if(void 0!==s[e])return s[e];const i=t.arrayBuffers,r=i[e],n=new Uint32Array(r).buffer;return s[e]=n,n}(t,r.buffer),a=ai(r.type,n),o=new ca(a,r.stride);return o.uuid=r.uuid,e[i]=o,o}const r=t.isInstancedBufferGeometry?new Zc:new In,n=t.data.index;if(void 0!==n){const t=ai(n.type,n.array);r.setIndex(new dn(t,1))}const a=t.data.attributes;for(const e in a){const s=a[e];let n;if(s.isInterleavedBufferAttribute){const e=i(t.data,s.data);n=new da(e,s.itemSize,s.offset,s.normalized)}else{const t=ai(s.type,s.array);n=new(s.isInstancedBufferAttribute?Xa:dn)(t,s.itemSize,s.normalized)}void 0!==s.name&&(n.name=s.name),void 0!==s.usage&&n.setUsage(s.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const s=o[e],n=[];for(let e=0,r=s.length;e0){const s=new mc(e);r=new Sc(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e0){i=new Sc(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{let e=null,s=null;return void 0!==t.boundingBox&&(e=(new Ri).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(s=(new $i).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:s}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new $i).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Ri).fromJSON(t.boundingBox));break;case"LOD":n=new ka;break;case"Line":n=new Do(h(t.geometry),l(t.material));break;case"LineLoop":n=new Jo(h(t.geometry),l(t.material));break;case"LineSegments":n=new qo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new Qo(h(t.geometry),l(t.material));break;case"Sprite":n=new za(l(t.material));break;case"Group":n=new ra;break;case"Bone":n=new Wa;break;default:n=new Rr}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{if(!0!==eu.has(n))return e&&e(s),r.manager.itemEnd(t),s;i&&i(eu.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)}):(setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0),n);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(s){return pc.add(`image-bitmap:${t}`,s),e&&e(s),r.manager.itemEnd(t),s}).catch(function(e){i&&i(e),eu.set(o,e),pc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});pc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let iu;class ru{static getContext(){return void 0===iu&&(iu=new(window.AudioContext||window.webkitAudioContext)),iu}static setContext(t){iu=t}}class nu extends gc{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new bc(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(t){try{const s=t.slice(0);ru.getContext().decodeAudioData(s,function(t){e(t)}).catch(a)}catch(t){a(t)}},s,i)}}const au=new ar,ou=new ar,hu=new ar;class lu{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Kn,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Kn,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,hu.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(Ws*e.fov*.5)/e.zoom;let n,a;ou.elements[12]=-s,au.elements[12]=s,n=-r*e.aspect+i,a=r*e.aspect+i,hu.elements[0]=2*e.near/(a-n),hu.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(hu),n=-r*e.aspect-i,a=r*e.aspect-i,hu.elements[0]=2*e.near/(a-n),hu.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(hu)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(ou),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(au)}}class cu extends Kn{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class uu{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}const du=new Ks,pu=new Qs,mu=new Ks,yu=new Ks,gu=new Ks;class fu extends Rr{constructor(){super(),this.type="AudioListener",this.context=ru.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new uu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(du,pu,mu),yu.set(0,0,-1).applyQuaternion(pu),gu.set(0,1,0).applyQuaternion(pu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(du.x,t),e.positionY.linearRampToValueAtTime(du.y,t),e.positionZ.linearRampToValueAtTime(du.z,t),e.forwardX.linearRampToValueAtTime(yu.x,t),e.forwardY.linearRampToValueAtTime(yu.y,t),e.forwardZ.linearRampToValueAtTime(yu.z,t),e.upX.linearRampToValueAtTime(gu.x,t),e.upY.linearRampToValueAtTime(gu.y,t),e.upZ.linearRampToValueAtTime(gu.z,t)}else e.setPosition(du.x,du.y,du.z),e.setOrientation(yu.x,yu.y,yu.z,gu.x,gu.y,gu.z)}}class xu extends Rr{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){a.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Qs.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Qs.multiplyQuaternionsFlat(t,n,t,e,t,s),Qs.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[s+a]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const Tu="\\[\\]\\.:\\/",zu=new RegExp("["+Tu+"]","g"),Cu="[^"+Tu+"]",Iu="[^"+Tu.replace("\\.","")+"]",Bu=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Cu)+/(WCOD+)?/.source.replace("WCOD",Iu)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Cu)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Cu)+"$"),ku=["material","materials","bones","map"];class Eu{constructor(t,e,s){this.path=e,this.parsedPath=s||Eu.parseTrackName(e),this.node=Eu.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new Eu.Composite(t,e,s):new Eu(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(zu,"")}static parseTrackName(t){const e=Bu.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==ku.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);i=r.length,s[t]=i,n.push(t),a.push(e),r.push(c);for(let s=l,i=o.length;s!==i;++s){const i=o[s];c[s]=new Eu(i,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=s,n[s]=o,n.pop(),r[s]=r[a],r.pop(),i[s]=i[a],i.pop()}}}class Pu{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:Pe,endingEnd:Pe};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s=!1){if(t.fadeOut(e),this.fadeIn(e),!0===s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s=!1){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Fe)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(a);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r||!n||1&~r?i:e-i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this.time=i;if(n&&!(1&~r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:Pe:Ne,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:Pe:Ne)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=s,this}}const Ou=new Float32Array(1);class Nu extends Ls{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,a=t._interpolants,o=s.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;c=new Au(Eu.create(s,h,i),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0===--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==s;++a){e[a]._update(i,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Qu).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const td=new Ks,ed=new Ks,sd=new Ks,id=new Ks,rd=new Ks,nd=new Ks,ad=new Ks;class od{constructor(t=new Ks,e=new Ks){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){td.subVectors(t,this.start),ed.subVectors(this.end,this.start);const s=ed.dot(ed);let i=ed.dot(td)/s;return e&&(i=qs(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}distanceSqToLine3(t,e=nd,s=ad){const i=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;sd.subVectors(h,a),id.subVectors(l,o),rd.subVectors(a,o);const c=sd.dot(sd),u=id.dot(id),d=id.dot(rd);if(c<=i&&u<=i)return e.copy(a),s.copy(o),e.sub(s),e.dot(e);if(c<=i)r=0,n=d/u,n=qs(n,0,1);else{const t=sd.dot(rd);if(u<=i)n=0,r=qs(-t/c,0,1);else{const e=sd.dot(id),s=c*u-e*e;r=0!==s?qs((e*d-t*u)/s,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=qs(-t/c,0,1)):n>1&&(n=1,r=qs((e-t)/c,0,1))}}return e.copy(a).add(sd.multiplyScalar(r)),s.copy(o).add(id.multiplyScalar(n)),e.sub(s),e.dot(e)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const hd=new Ks;class ld extends Rr{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new In,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t1)for(let s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Pd.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Pd,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class Fd extends qo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new In;s.setAttribute("position",new wn(e,3)),s.setAttribute("color",new wn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new Ro({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new Qr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class Ld{constructor(){this.type="ShapePath",this.color=new Qr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new Dh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const s=e.length;let i=!1;for(let r=s-1,n=0;nNumber.EPSILON){if(h<0&&(s=e[n],o=-o,a=e[r],h=-h),t.ya.y)continue;if(t.y===s.y){if(t.x===s.x)return!0}else{const e=h*(t.x-s.x)-o*(t.y-s.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==s.y)continue;if(a.x<=t.x&&t.x<=s.x||s.x<=t.x&&t.x<=a.x)return!0}}return i}const s=gl.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,n,a;const o=[];if(1===i.length)return n=i[0],a=new Wh,a.curves=n.curves,o.push(a),o;let h=!s(i[0].getPoints());h=t?!h:h;const l=[],c=[];let u,d,p=[],m=0;c[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,s=0;for(let t=0,e=c.length;t0&&!1===t&&(p=l)}for(let t=0,e=c.length;te?(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const s=t.image&&t.image.width?t.image.width/t.image.height:1;return s>e?(t.repeat.x=e/s,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=s/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,s,i){return Dd(t,e,s,i)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{et as ACESFilmicToneMapping,v as AddEquation,G as AddOperation,Fe as AdditiveAnimationBlendMode,g as AdditiveBlending,it as AgXToneMapping,Lt as AlphaFormat,Ms as AlwaysCompare,D as AlwaysDepth,ms as AlwaysStencilFunc,Uc as AmbientLight,Pu as AnimationAction,uc as AnimationClip,vc as AnimationLoader,Nu as AnimationMixer,Ru as AnimationObjectGroup,Ql as AnimationUtils,Mh as ArcCurve,cu as ArrayCamera,Vd as ArrowHelper,nt as AttachedBindMode,xu as Audio,_u as AudioAnalyser,ru as AudioContext,fu as AudioListener,nu as AudioLoader,Fd as AxesHelper,d as BackSide,We as BasicDepthPacking,o as BasicShadowMap,Eo as BatchedMesh,Wa as Bone,rc as BooleanKeyframeTrack,Ku as Box2,Ri as Box3,Ed as Box3Helper,Un as BoxGeometry,kd as BoxHelper,dn as BufferAttribute,In as BufferGeometry,Gc as BufferGeometryLoader,zt as ByteType,pc as Cache,Zn as Camera,Cd as CameraHelper,ah as CanvasTexture,lh as CapsuleGeometry,Ch as CatmullRomCurve3,tt as CineonToneMapping,ch as CircleGeometry,mt as ClampToEdgeWrapping,uu as Clock,Qr as Color,nc as ColorKeyframeTrack,yi as ColorManagement,rh as CompressedArrayTexture,nh as CompressedCubeTexture,ih as CompressedTexture,wc as CompressedTextureLoader,dh as ConeGeometry,F as ConstantAlphaFactor,N as ConstantColorFactor,jd as Controls,ea as CubeCamera,ht as CubeReflectionMapping,lt as CubeRefractionMapping,sa as CubeTexture,_c as CubeTextureLoader,dt as CubeUVReflectionMapping,Eh as CubicBezierCurve,Rh as CubicBezierCurve3,tc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,i as CullFaceNone,vh as Curve,jh as CurvePath,b as CustomBlending,st as CustomToneMapping,uh as CylinderGeometry,Gu as Cylindrical,ki as Data3DTexture,Ii as DataArrayTexture,Ua as DataTexture,Ac as DataTextureLoader,hn as DataUtils,is as DecrementStencilOp,ns as DecrementWrapStencilOp,yc as DefaultLoadingManager,Wt as DepthFormat,Ut as DepthStencilFormat,oh as DepthTexture,at as DetachedBindMode,Wc as DirectionalLight,Ad as DirectionalLightHelper,sc as DiscreteInterpolant,mh as DodecahedronGeometry,p as DoubleSide,k as DstAlphaFactor,R as DstColorFactor,Bs as DynamicCopyUsage,_s as DynamicDrawUsage,zs as DynamicReadUsage,bh as EdgesGeometry,wh as EllipseCurve,fs as EqualCompare,H as EqualDepth,ls as EqualStencilFunc,ct as EquirectangularReflectionMapping,ut as EquirectangularRefractionMapping,gr as Euler,Ls as EventDispatcher,hh as ExternalTexture,bl as ExtrudeGeometry,bc as FileLoader,vn as Float16BufferAttribute,wn as Float32BufferAttribute,Et as FloatType,ha as Fog,oa as FogExp2,sh as FramebufferTexture,u as FrontSide,lo as Frustum,po as FrustumArray,Wu as GLBufferAttribute,Es as GLSL1,Rs as GLSL3,bs as GreaterCompare,J as GreaterDepth,ws as GreaterEqualCompare,q as GreaterEqualDepth,ps as GreaterEqualStencilFunc,us as GreaterStencilFunc,vd as GridHelper,ra as Group,Rt as HalfFloatType,Cc as HemisphereLight,bd as HemisphereLightHelper,wl as IcosahedronGeometry,su as ImageBitmapLoader,Sc as ImageLoader,bi as ImageUtils,ss as IncrementStencilOp,rs as IncrementWrapStencilOp,Xa as InstancedBufferAttribute,Zc as InstancedBufferGeometry,Du as InstancedInterleavedBuffer,eo as InstancedMesh,gn as Int16BufferAttribute,xn as Int32BufferAttribute,pn as Int8BufferAttribute,Bt as IntType,ca as InterleavedBuffer,da as InterleavedBufferAttribute,Kl as Interpolant,ke as InterpolateDiscrete,Ee as InterpolateLinear,Re as InterpolateSmooth,Fs as InterpolationSamplingMode,Vs as InterpolationSamplingType,as as InvertStencilOp,ts as KeepStencilOp,ic as KeyframeTrack,ka as LOD,Ml as LatheGeometry,fr as Layers,gs as LessCompare,W as LessDepth,xs as LessEqualCompare,U as LessEqualDepth,cs as LessEqualStencilFunc,hs as LessStencilFunc,zc as Light,Jc as LightProbe,Do as Line,od as Line3,Ro as LineBasicMaterial,Ph as LineCurve,Oh as LineCurve3,Jl as LineDashedMaterial,Jo as LineLoop,qo as LineSegments,wt as LinearFilter,ec as LinearInterpolant,At as LinearMipMapLinearFilter,St as LinearMipMapNearestFilter,_t as LinearMipmapLinearFilter,Mt as LinearMipmapNearestFilter,Ge as LinearSRGBColorSpace,Q as LinearToneMapping,$e as LinearTransfer,gc as Loader,Yc as LoaderUtils,mc as LoadingManager,Ce as LoopOnce,Be as LoopPingPong,Ie as LoopRepeat,e as MOUSE,en as Material,Xc as MaterialLoader,Gs as MathUtils,$u as Matrix2,si as Matrix3,ar as Matrix4,_ as MaxEquation,Dn as Mesh,sn as MeshBasicMaterial,Ul as MeshDepthMaterial,Hl as MeshDistanceMaterial,Wl as MeshLambertMaterial,ql as MeshMatcapMaterial,Dl as MeshNormalMaterial,Ll as MeshPhongMaterial,Fl as MeshPhysicalMaterial,Vl as MeshStandardMaterial,jl as MeshToonMaterial,S as MinEquation,yt as MirroredRepeatWrapping,Z as MixOperation,x as MultiplyBlending,Y as MultiplyOperation,gt as NearestFilter,vt as NearestMipMapLinearFilter,xt as NearestMipMapNearestFilter,bt as NearestMipmapLinearFilter,ft as NearestMipmapNearestFilter,rt as NeutralToneMapping,ys as NeverCompare,j as NeverDepth,os as NeverStencilFunc,m as NoBlending,Ye as NoColorSpace,$ as NoToneMapping,Ve as NormalAnimationBlendMode,y as NormalBlending,vs as NotEqualCompare,X as NotEqualDepth,ds as NotEqualStencilFunc,ac as NumberKeyframeTrack,Rr as Object3D,$c as ObjectLoader,Xe as ObjectSpaceNormalMap,Sl as OctahedronGeometry,T as OneFactor,L as OneMinusConstantAlphaFactor,V as OneMinusConstantColorFactor,E as OneMinusDstAlphaFactor,P as OneMinusDstColorFactor,B as OneMinusSrcAlphaFactor,C as OneMinusSrcColorFactor,jc as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Dh as Path,Kn as PerspectiveCamera,no as Plane,_l as PlaneGeometry,Rd as PlaneHelper,Lc as PointLight,yd as PointLightHelper,Qo as Points,Xo as PointsMaterial,wd as PolarGridHelper,ph as PolyhedronGeometry,Su as PositionalAudio,Eu as PropertyBinding,Au as PropertyMixer,Nh as QuadraticBezierCurve,Vh as QuadraticBezierCurve3,Qs as Quaternion,hc as QuaternionKeyframeTrack,oc as QuaternionLinearInterpolant,Us as RAD2DEG,Te as RED_GREEN_RGTC2_Format,_e as RED_RGTC1_Format,t as REVISION,Ue as RGBADepthPacking,Dt as RGBAFormat,Zt as RGBAIntegerFormat,xe as RGBA_ASTC_10x10_Format,ye as RGBA_ASTC_10x5_Format,ge as RGBA_ASTC_10x6_Format,fe as RGBA_ASTC_10x8_Format,be as RGBA_ASTC_12x10_Format,ve as RGBA_ASTC_12x12_Format,oe as RGBA_ASTC_4x4_Format,he as RGBA_ASTC_5x4_Format,le as RGBA_ASTC_5x5_Format,ce as RGBA_ASTC_6x5_Format,ue as RGBA_ASTC_6x6_Format,de as RGBA_ASTC_8x5_Format,pe as RGBA_ASTC_8x6_Format,me as RGBA_ASTC_8x8_Format,we as RGBA_BPTC_Format,ae as RGBA_ETC2_EAC_Format,ie as RGBA_PVRTC_2BPPV1_Format,se as RGBA_PVRTC_4BPPV1_Format,$t as RGBA_S3TC_DXT1_Format,Qt as RGBA_S3TC_DXT3_Format,Kt as RGBA_S3TC_DXT5_Format,He as RGBDepthPacking,jt as RGBFormat,Yt as RGBIntegerFormat,Me as RGB_BPTC_SIGNED_Format,Se as RGB_BPTC_UNSIGNED_Format,re as RGB_ETC1_Format,ne as RGB_ETC2_Format,ee as RGB_PVRTC_2BPPV1_Format,te as RGB_PVRTC_4BPPV1_Format,Gt as RGB_S3TC_DXT1_Format,qe as RGDepthPacking,Jt as RGFormat,Xt as RGIntegerFormat,Nl as RawShaderMaterial,nr as Ray,Hu as Raycaster,Hc as RectAreaLight,Ht as RedFormat,qt as RedIntegerFormat,K as ReinhardToneMapping,zi as RenderTarget,Vu as RenderTarget3D,pt as RepeatWrapping,es as ReplaceStencilOp,M as ReverseSubtractEquation,Al as RingGeometry,ze as SIGNED_RED_GREEN_RGTC2_Format,Ae as SIGNED_RED_RGTC1_Format,Ze as SRGBColorSpace,Qe as SRGBTransfer,la as Scene,Yn as ShaderMaterial,Ol as ShadowMaterial,Wh as Shape,Tl as ShapeGeometry,Ld as ShapePath,gl as ShapeUtils,Ct as ShortType,Ja as Skeleton,pd as SkeletonHelper,Da as SkinnedMesh,wi as Source,$i as Sphere,zl as SphereGeometry,Zu as Spherical,qc as SphericalHarmonics3,Fh as SplineCurve,Pc as SpotLight,ld as SpotLightHelper,za as Sprite,pa as SpriteMaterial,I as SrcAlphaFactor,O as SrcAlphaSaturateFactor,z as SrcColorFactor,Is as StaticCopyUsage,Ss as StaticDrawUsage,Ts as StaticReadUsage,lu as StereoCamera,ks as StreamCopyUsage,As as StreamDrawUsage,Cs as StreamReadUsage,lc as StringKeyframeTrack,w as SubtractEquation,f as SubtractiveBlending,s as TOUCH,Je as TangentSpaceNormalMap,Cl as TetrahedronGeometry,Ai as Texture,Tc as TextureLoader,Wd as TextureUtils,Xu as Timer,Ns as TimestampQuery,Il as TorusGeometry,Bl as TorusKnotGeometry,Xr as Triangle,De as TriangleFanDrawMode,je as TriangleStripDrawMode,Le as TrianglesDrawMode,kl as TubeGeometry,ot as UVMapping,fn as Uint16BufferAttribute,bn as Uint32BufferAttribute,mn as Uint8BufferAttribute,yn as Uint8ClampedBufferAttribute,Fu as Uniform,ju as UniformsGroup,Xn as UniformsUtils,Tt as UnsignedByteType,Ft as UnsignedInt101111Type,Nt as UnsignedInt248Type,Vt as UnsignedInt5999Type,kt as UnsignedIntType,Pt as UnsignedShort4444Type,Ot as UnsignedShort5551Type,It as UnsignedShortType,c as VSMShadowMap,$s as Vector2,Ks as Vector3,Ti as Vector4,cc as VectorKeyframeTrack,eh as VideoFrameTexture,th as VideoTexture,Ei as WebGL3DRenderTarget,Bi as WebGLArrayRenderTarget,Ps as WebGLCoordinateSystem,ia as WebGLCubeRenderTarget,Ci as WebGLRenderTarget,Os as WebGPUCoordinateSystem,aa as WebXRController,El as WireframeGeometry,Ne as WrapAroundEnding,Pe as ZeroCurvatureEnding,A as ZeroFactor,Oe as ZeroSlopeEnding,Ke as ZeroStencilOp,ri as arrayNeedsUint32,Hn as cloneUniforms,hi as createCanvasElement,oi as createElementNS,Dd as getByteLength,Jn as getUnlitUniformColorSpace,qn as mergeUniforms,ui as probeAsync,ci as warnOnce}; diff --git a/overrides/javascripts/vendor/three/three.module.min.js b/overrides/javascripts/vendor/three/three.module.min.js new file mode 100644 index 000000000..20d3c1127 --- /dev/null +++ b/overrides/javascripts/vendor/three/three.module.min.js @@ -0,0 +1,6 @@ +/** + * @license + * Copyright 2010-2025 Three.js Authors + * SPDX-License-Identifier: MIT + */ +import{Matrix3 as e,Vector2 as t,Color as n,mergeUniforms as r,Vector3 as i,CubeUVReflectionMapping as a,Mesh as o,BoxGeometry as s,ShaderMaterial as l,BackSide as c,cloneUniforms as d,Euler as u,Matrix4 as f,ColorManagement as p,SRGBTransfer as m,PlaneGeometry as h,FrontSide as _,getUnlitUniformColorSpace as g,IntType as v,HalfFloatType as E,UnsignedByteType as S,FloatType as T,RGBAFormat as M,Plane as x,EquirectangularReflectionMapping as R,EquirectangularRefractionMapping as A,WebGLCubeRenderTarget as b,CubeReflectionMapping as C,CubeRefractionMapping as L,OrthographicCamera as P,PerspectiveCamera as U,NoToneMapping as D,MeshBasicMaterial as w,NoBlending as I,WebGLRenderTarget as y,BufferGeometry as N,BufferAttribute as O,LinearSRGBColorSpace as F,LinearFilter as B,warnOnce as H,Uint32BufferAttribute as G,Uint16BufferAttribute as V,arrayNeedsUint32 as z,Vector4 as k,DataArrayTexture as W,CubeTexture as X,Data3DTexture as Y,LessEqualCompare as K,DepthTexture as q,Texture as j,GLSL3 as Z,PCFShadowMap as $,PCFSoftShadowMap as Q,VSMShadowMap as J,CustomToneMapping as ee,NeutralToneMapping as te,AgXToneMapping as ne,ACESFilmicToneMapping as re,CineonToneMapping as ie,ReinhardToneMapping as ae,LinearToneMapping as oe,LinearTransfer as se,AddOperation as le,MixOperation as ce,MultiplyOperation as de,UniformsUtils as ue,DoubleSide as fe,NormalBlending as pe,TangentSpaceNormalMap as me,ObjectSpaceNormalMap as he,Layers as _e,Frustum as ge,MeshDepthMaterial as ve,RGBADepthPacking as Ee,MeshDistanceMaterial as Se,NearestFilter as Te,LessEqualDepth as Me,ReverseSubtractEquation as xe,SubtractEquation as Re,AddEquation as Ae,OneMinusConstantAlphaFactor as be,ConstantAlphaFactor as Ce,OneMinusConstantColorFactor as Le,ConstantColorFactor as Pe,OneMinusDstAlphaFactor as Ue,OneMinusDstColorFactor as De,OneMinusSrcAlphaFactor as we,OneMinusSrcColorFactor as Ie,DstAlphaFactor as ye,DstColorFactor as Ne,SrcAlphaSaturateFactor as Oe,SrcAlphaFactor as Fe,SrcColorFactor as Be,OneFactor as He,ZeroFactor as Ge,NotEqualDepth as Ve,GreaterDepth as ze,GreaterEqualDepth as ke,EqualDepth as We,LessDepth as Xe,AlwaysDepth as Ye,NeverDepth as Ke,CullFaceNone as qe,CullFaceBack as je,CullFaceFront as Ze,CustomBlending as $e,MultiplyBlending as Qe,SubtractiveBlending as Je,AdditiveBlending as et,MinEquation as tt,MaxEquation as nt,MirroredRepeatWrapping as rt,ClampToEdgeWrapping as it,RepeatWrapping as at,LinearMipmapLinearFilter as ot,LinearMipmapNearestFilter as st,NearestMipmapLinearFilter as lt,NearestMipmapNearestFilter as ct,NotEqualCompare as dt,GreaterCompare as ut,GreaterEqualCompare as ft,EqualCompare as pt,LessCompare as mt,AlwaysCompare as ht,NeverCompare as _t,NoColorSpace as gt,DepthStencilFormat as vt,getByteLength as Et,DepthFormat as St,UnsignedIntType as Tt,UnsignedInt248Type as Mt,UnsignedShortType as xt,createElementNS as Rt,UnsignedShort4444Type as At,UnsignedShort5551Type as bt,UnsignedInt5999Type as Ct,UnsignedInt101111Type as Lt,ByteType as Pt,ShortType as Ut,AlphaFormat as Dt,RGBFormat as wt,RedFormat as It,RedIntegerFormat as yt,RGFormat as Nt,RGIntegerFormat as Ot,RGBAIntegerFormat as Ft,RGB_S3TC_DXT1_Format as Bt,RGBA_S3TC_DXT1_Format as Ht,RGBA_S3TC_DXT3_Format as Gt,RGBA_S3TC_DXT5_Format as Vt,RGB_PVRTC_4BPPV1_Format as zt,RGB_PVRTC_2BPPV1_Format as kt,RGBA_PVRTC_4BPPV1_Format as Wt,RGBA_PVRTC_2BPPV1_Format as Xt,RGB_ETC1_Format as Yt,RGB_ETC2_Format as Kt,RGBA_ETC2_EAC_Format as qt,RGBA_ASTC_4x4_Format as jt,RGBA_ASTC_5x4_Format as Zt,RGBA_ASTC_5x5_Format as $t,RGBA_ASTC_6x5_Format as Qt,RGBA_ASTC_6x6_Format as Jt,RGBA_ASTC_8x5_Format as en,RGBA_ASTC_8x6_Format as tn,RGBA_ASTC_8x8_Format as nn,RGBA_ASTC_10x5_Format as rn,RGBA_ASTC_10x6_Format as an,RGBA_ASTC_10x8_Format as on,RGBA_ASTC_10x10_Format as sn,RGBA_ASTC_12x10_Format as ln,RGBA_ASTC_12x12_Format as cn,RGBA_BPTC_Format as dn,RGB_BPTC_SIGNED_Format as un,RGB_BPTC_UNSIGNED_Format as fn,RED_RGTC1_Format as pn,SIGNED_RED_RGTC1_Format as mn,RED_GREEN_RGTC2_Format as hn,SIGNED_RED_GREEN_RGTC2_Format as _n,ExternalTexture as gn,EventDispatcher as vn,ArrayCamera as En,WebXRController as Sn,RAD2DEG as Tn,createCanvasElement as Mn,SRGBColorSpace as xn,REVISION as Rn,WebGLCoordinateSystem as An,probeAsync as bn}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AlwaysStencilFunc,AmbientLight,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BasicShadowMap,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,Controls,CubeCamera,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CylinderGeometry,Cylindrical,DataTexture,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DetachedBindMode,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,EqualStencilFunc,ExtrudeGeometry,FileLoader,Float16BufferAttribute,Float32BufferAttribute,Fog,FogExp2,FramebufferTexture,FrustumArray,GLBufferAttribute,GLSL1,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HemisphereLight,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,InvertStencilOp,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LineSegments,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,Loader,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,Material,MaterialLoader,MathUtils,Matrix2,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NeverStencilFunc,NormalAnimationBlendMode,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,OctahedronGeometry,Path,PlaneHelper,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBDepthPacking,RGBIntegerFormat,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RectAreaLight,RenderTarget,RenderTarget3D,ReplaceStencilOp,RingGeometry,Scene,ShadowMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,UVMapping,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGPUCoordinateSystem,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,ZeroStencilOp}from"./three.core.min.js";function Cn(){let e=null,t=!1,n=null,r=null;function i(t,a){n(t,a),r=e.requestAnimationFrame(i)}return{start:function(){!0!==t&&null!==n&&(r=e.requestAnimationFrame(i),t=!0)},stop:function(){e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Ln(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const r=t.get(n);r&&(e.deleteBuffer(r.buffer),t.delete(n))},update:function(n,r){if(n.isInterleavedBufferAttribute&&(n=n.data),n.isGLBufferAttribute){const e=t.get(n);return void((!e||e.versione.start-t.start);let t=0;for(let e=1;e 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\tfloat depth = unpackRGBAToDepth( texture2D( depths, uv ) );\n\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\treturn step( depth, compare );\n\t\t#else\n\t\t\treturn step( compare, depth );\n\t\t#endif\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow( sampler2D shadow, vec2 uv, float compare ) {\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\tfloat hard_shadow = step( distribution.x, compare );\n\t\t#else\n\t\t\tfloat hard_shadow = step( compare, distribution.x );\n\t\t#endif\n\t\tif ( hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n\t#else\n\t\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n\t#endif\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},Un={common:{diffuse:{value:new n(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new e},alphaMap:{value:null},alphaMapTransform:{value:new e},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new e}},envmap:{envMap:{value:null},envMapRotation:{value:new e},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new e}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new e}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new e},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new e},normalScale:{value:new t(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new e},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new e}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new e}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new e}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new n(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new n(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new e},alphaTest:{value:0},uvTransform:{value:new e}},sprite:{diffuse:{value:new n(16777215)},opacity:{value:1},center:{value:new t(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new e},alphaMap:{value:null},alphaMapTransform:{value:new e},alphaTest:{value:0}}},Dn={basic:{uniforms:r([Un.common,Un.specularmap,Un.envmap,Un.aomap,Un.lightmap,Un.fog]),vertexShader:Pn.meshbasic_vert,fragmentShader:Pn.meshbasic_frag},lambert:{uniforms:r([Un.common,Un.specularmap,Un.envmap,Un.aomap,Un.lightmap,Un.emissivemap,Un.bumpmap,Un.normalmap,Un.displacementmap,Un.fog,Un.lights,{emissive:{value:new n(0)}}]),vertexShader:Pn.meshlambert_vert,fragmentShader:Pn.meshlambert_frag},phong:{uniforms:r([Un.common,Un.specularmap,Un.envmap,Un.aomap,Un.lightmap,Un.emissivemap,Un.bumpmap,Un.normalmap,Un.displacementmap,Un.fog,Un.lights,{emissive:{value:new n(0)},specular:{value:new n(1118481)},shininess:{value:30}}]),vertexShader:Pn.meshphong_vert,fragmentShader:Pn.meshphong_frag},standard:{uniforms:r([Un.common,Un.envmap,Un.aomap,Un.lightmap,Un.emissivemap,Un.bumpmap,Un.normalmap,Un.displacementmap,Un.roughnessmap,Un.metalnessmap,Un.fog,Un.lights,{emissive:{value:new n(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:Pn.meshphysical_vert,fragmentShader:Pn.meshphysical_frag},toon:{uniforms:r([Un.common,Un.aomap,Un.lightmap,Un.emissivemap,Un.bumpmap,Un.normalmap,Un.displacementmap,Un.gradientmap,Un.fog,Un.lights,{emissive:{value:new 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i(1,1,-1),new i(-1,1,1),new i(1,1,1)],Qn=new i;class Jn{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,n=.1,r=100,i={}){const{size:a=256,position:o=Qn}=i;Xn=this._renderer.getRenderTarget(),Yn=this._renderer.getActiveCubeFace(),Kn=this._renderer.getActiveMipmapLevel(),qn=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(a);const s=this._allocateTargets();return s.depthBuffer=!0,this._sceneToCubeUV(e,n,r,s,o),t>0&&this._blur(s,0,0,t),this._applyPMREM(s),this._cleanup(s),s}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=rr(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=nr(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;ee-4?s=Vn[o-e+4-1]:0===o&&(s=0),r.push(s);const l=1/(a-2),c=-l,d=1+l,u=[c,c,d,c,d,d,c,c,d,d,c,d],f=6,p=6,m=3,h=2,_=1,g=new Float32Array(m*p*f),v=new Float32Array(h*p*f),E=new Float32Array(_*p*f);for(let e=0;e2?0:-1,r=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];g.set(r,m*p*e),v.set(u,h*p*e);const i=[e,e,e,e,e,e];E.set(i,_*p*e)}const S=new N;S.setAttribute("position",new O(g,m)),S.setAttribute("uv",new O(v,h)),S.setAttribute("faceIndex",new O(E,_)),t.push(S),i>4&&i--}return{lodPlanes:t,sizeLods:n,sigmas:r}}(r)),this._blurMaterial=function(e,t,n){const r=new Float32Array(zn),a=new i(0,1,0),o=new l({name:"SphericalGaussianBlur",defines:{n:zn,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:r},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:a}},vertexShader:ir(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1});return o}(r,e,t)}return r}_compileMaterial(e){const t=new o(this._lodPlanes[0],e);this._renderer.compile(t,kn)}_sceneToCubeUV(e,t,n,r,i){const a=new U(90,1,t,n),l=[1,-1,1,1,1,1],d=[1,1,1,-1,-1,-1],u=this._renderer,f=u.autoClear,p=u.toneMapping;u.getClearColor(Wn),u.toneMapping=D,u.autoClear=!1;u.state.buffers.depth.getReversed()&&(u.setRenderTarget(r),u.clearDepth(),u.setRenderTarget(null));const m=new w({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1}),h=new o(new s,m);let _=!1;const g=e.background;g?g.isColor&&(m.color.copy(g),e.background=null,_=!0):(m.color.copy(Wn),_=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(a.up.set(0,l[t],0),a.position.set(i.x,i.y,i.z),a.lookAt(i.x+d[t],i.y,i.z)):1===n?(a.up.set(0,0,l[t]),a.position.set(i.x,i.y,i.z),a.lookAt(i.x,i.y+d[t],i.z)):(a.up.set(0,l[t],0),a.position.set(i.x,i.y,i.z),a.lookAt(i.x,i.y,i.z+d[t]));const o=this._cubeSize;tr(r,n*o,t>2?o:0,o,o),u.setRenderTarget(r),_&&u.render(h,a),u.render(e,a)}h.geometry.dispose(),h.material.dispose(),u.toneMapping=p,u.autoClear=f,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,r=e.mapping===C||e.mapping===L;r?(null===this._cubemapMaterial&&(this._cubemapMaterial=rr()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=nr());const i=r?this._cubemapMaterial:this._equirectMaterial,a=new o(this._lodPlanes[0],i);i.uniforms.envMap.value=e;const s=this._cubeSize;tr(t,0,0,3*s,2*s),n.setRenderTarget(t),n.render(a,kn)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const r=this._lodPlanes.length;for(let t=1;tzn&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${h} samples when the maximum is set to 20`);const _=[];let g=0;for(let e=0;ev-4?r-v+4:0),4*(this._cubeSize-E),3*E,2*E),l.setRenderTarget(t),l.render(d,kn)}}function er(e,t,n){const r=new y(e,t,n);return r.texture.mapping=a,r.texture.name="PMREM.cubeUv",r.scissorTest=!0,r}function tr(e,t,n,r,i){e.viewport.set(t,n,r,i),e.scissor.set(t,n,r,i)}function nr(){return new l({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:ir(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 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l=H(t,n),c=n.source;r.bindTexture(e.TEXTURE_CUBE_MAP,t.__webglTexture,e.TEXTURE0+s);const d=i.get(c);if(c.version!==d.__version||!0===l){r.activeTexture(e.TEXTURE0+s);const t=p.getPrimaries(p.workingColorSpace),i=n.colorSpace===gt?null:p.getPrimaries(n.colorSpace),u=n.colorSpace===gt||t===i?e.NONE:e.BROWSER_DEFAULT_WEBGL;e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,n.flipY),e.pixelStorei(e.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),e.pixelStorei(e.UNPACK_ALIGNMENT,n.unpackAlignment),e.pixelStorei(e.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const f=n.isCompressedTexture||n.image[0].isCompressedTexture,m=n.image[0]&&n.image[0].isDataTexture,h=[];for(let e=0;e<6;e++)h[e]=f||m?m?n.image[e].image:n.image[e]:v(n.image[e],!0,a.maxCubemapSize),h[e]=$(n,h[e]);const _=h[0],g=o.convert(n.format,n.colorSpace),S=o.convert(n.type),T=A(n.internalFormat,g,S,n.colorSpace),R=!0!==n.isVideoTexture,b=void 0===d.__version||!0===l,L=c.dataReady;let P,U=C(n,_);if(O(e.TEXTURE_CUBE_MAP,n),f){R&&b&&r.texStorage2D(e.TEXTURE_CUBE_MAP,U,T,_.width,_.height);for(let t=0;t<6;t++){P=h[t].mipmaps;for(let i=0;i0&&U++;const t=Q(h[0]);r.texStorage2D(e.TEXTURE_CUBE_MAP,U,T,t.width,t.height)}for(let t=0;t<6;t++)if(m){R?L&&r.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,h[t].width,h[t].height,g,S,h[t].data):r.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,T,h[t].width,h[t].height,0,g,S,h[t].data);for(let n=0;n1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=e.createTexture()),l.__version=n.version,s.memory.textures++),d){a.__webglFramebuffer=[];for(let t=0;t<6;t++)if(n.mipmaps&&n.mipmaps.length>0){a.__webglFramebuffer[t]=[];for(let r=0;r0){a.__webglFramebuffer=[];for(let t=0;t0&&!1===Z(t)){a.__webglMultisampledFramebuffer=e.createFramebuffer(),a.__webglColorRenderbuffer=[],r.bindFramebuffer(e.FRAMEBUFFER,a.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let r=0;r0)if(!1===Z(t)){const n=t.textures,a=t.width,o=t.height;let s=e.COLOR_BUFFER_BIT;const l=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT,d=i.get(t),u=n.length>1;if(u)for(let t=0;t0?r.bindFramebuffer(e.DRAW_FRAMEBUFFER,d.__webglFramebuffer[0]):r.bindFramebuffer(e.DRAW_FRAMEBUFFER,d.__webglFramebuffer);for(let r=0;r= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:t.z},depthHeight:{value:t.w}}});this.mesh=new o(new h(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class ia extends vn{constructor(e,n){super();const r=this;let a=null,o=1,s=null,l="local-floor",c=1,d=null,u=null,f=null,p=null,m=null,h=null;const _="undefined"!=typeof XRWebGLBinding,g=new ra,v={},E=n.getContextAttributes();let T=null,x=null;const R=[],A=[],b=new t;let C=null;const L=new U;L.viewport=new k;const P=new U;P.viewport=new k;const D=[L,P],w=new En;let I=null,N=null;function O(e){const t=A.indexOf(e.inputSource);if(-1===t)return;const n=R[t];void 0!==n&&(n.update(e.inputSource,e.frame,d||s),n.dispatchEvent({type:e.type,data:e.inputSource}))}function F(){a.removeEventListener("select",O),a.removeEventListener("selectstart",O),a.removeEventListener("selectend",O),a.removeEventListener("squeeze",O),a.removeEventListener("squeezestart",O),a.removeEventListener("squeezeend",O),a.removeEventListener("end",F),a.removeEventListener("inputsourceschange",B);for(let e=0;e=0&&(A[r]=null,R[r].disconnect(n))}for(let t=0;t=A.length){A.push(n),r=e;break}if(null===A[e]){A[e]=n,r=e;break}}if(-1===r)break}const i=R[r];i&&i.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=R[e];return void 0===t&&(t=new Sn,R[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=R[e];return void 0===t&&(t=new Sn,R[e]=t),t.getGripSpace()},this.getHand=function(e){let t=R[e];return void 0===t&&(t=new Sn,R[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){o=e,!0===r.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){l=e,!0===r.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return d||s},this.setReferenceSpace=function(e){d=e},this.getBaseLayer=function(){return null!==p?p:m},this.getBinding=function(){return null===f&&_&&(f=new XRWebGLBinding(a,n)),f},this.getFrame=function(){return h},this.getSession=function(){return a},this.setSession=async function(t){if(a=t,null!==a){T=e.getRenderTarget(),a.addEventListener("select",O),a.addEventListener("selectstart",O),a.addEventListener("selectend",O),a.addEventListener("squeeze",O),a.addEventListener("squeezestart",O),a.addEventListener("squeezeend",O),a.addEventListener("end",F),a.addEventListener("inputsourceschange",B),!0!==E.xrCompatible&&await n.makeXRCompatible(),C=e.getPixelRatio(),e.getSize(b);if(_&&"createProjectionLayer"in XRWebGLBinding.prototype){let t=null,r=null,i=null;E.depth&&(i=E.stencil?n.DEPTH24_STENCIL8:n.DEPTH_COMPONENT24,t=E.stencil?vt:St,r=E.stencil?Mt:Tt);const s={colorFormat:n.RGBA8,depthFormat:i,scaleFactor:o};f=this.getBinding(),p=f.createProjectionLayer(s),a.updateRenderState({layers:[p]}),e.setPixelRatio(1),e.setSize(p.textureWidth,p.textureHeight,!1),x=new y(p.textureWidth,p.textureHeight,{format:M,type:S,depthTexture:new q(p.textureWidth,p.textureHeight,r,void 0,void 0,void 0,void 0,void 0,void 0,t),stencilBuffer:E.stencil,colorSpace:e.outputColorSpace,samples:E.antialias?4:0,resolveDepthBuffer:!1===p.ignoreDepthValues,resolveStencilBuffer:!1===p.ignoreDepthValues})}else{const t={antialias:E.antialias,alpha:!0,depth:E.depth,stencil:E.stencil,framebufferScaleFactor:o};m=new XRWebGLLayer(a,n,t),a.updateRenderState({baseLayer:m}),e.setPixelRatio(1),e.setSize(m.framebufferWidth,m.framebufferHeight,!1),x=new y(m.framebufferWidth,m.framebufferHeight,{format:M,type:S,colorSpace:e.outputColorSpace,stencilBuffer:E.stencil,resolveDepthBuffer:!1===m.ignoreDepthValues,resolveStencilBuffer:!1===m.ignoreDepthValues})}x.isXRRenderTarget=!0,this.setFoveation(c),d=null,s=await a.requestReferenceSpace(l),W.setContext(a),W.start(),r.isPresenting=!0,r.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==a)return a.environmentBlendMode},this.getDepthTexture=function(){return g.getDepthTexture()};const H=new i,G=new i;function V(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===a)return;let t=e.near,n=e.far;null!==g.texture&&(g.depthNear>0&&(t=g.depthNear),g.depthFar>0&&(n=g.depthFar)),w.near=P.near=L.near=t,w.far=P.far=L.far=n,I===w.near&&N===w.far||(a.updateRenderState({depthNear:w.near,depthFar:w.far}),I=w.near,N=w.far),w.layers.mask=6|e.layers.mask,L.layers.mask=3&w.layers.mask,P.layers.mask=5&w.layers.mask;const r=e.parent,i=w.cameras;V(w,r);for(let e=0;e0&&(e.alphaTest.value=r.alphaTest);const i=t.get(r),a=i.envMap,o=i.envMapRotation;a&&(e.envMap.value=a,aa.copy(o),aa.x*=-1,aa.y*=-1,aa.z*=-1,a.isCubeTexture&&!1===a.isRenderTargetTexture&&(aa.y*=-1,aa.z*=-1),e.envMapRotation.value.setFromMatrix4(oa.makeRotationFromEuler(aa)),e.flipEnvMap.value=a.isCubeTexture&&!1===a.isRenderTargetTexture?-1:1,e.reflectivity.value=r.reflectivity,e.ior.value=r.ior,e.refractionRatio.value=r.refractionRatio),r.lightMap&&(e.lightMap.value=r.lightMap,e.lightMapIntensity.value=r.lightMapIntensity,n(r.lightMap,e.lightMapTransform)),r.aoMap&&(e.aoMap.value=r.aoMap,e.aoMapIntensity.value=r.aoMapIntensity,n(r.aoMap,e.aoMapTransform))}return{refreshFogUniforms:function(t,n){n.color.getRGB(t.fogColor.value,g(e)),n.isFog?(t.fogNear.value=n.near,t.fogFar.value=n.far):n.isFogExp2&&(t.fogDensity.value=n.density)},refreshMaterialUniforms:function(e,i,a,o,s){i.isMeshBasicMaterial||i.isMeshLambertMaterial?r(e,i):i.isMeshToonMaterial?(r(e,i),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,i)):i.isMeshPhongMaterial?(r(e,i),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,i)):i.isMeshStandardMaterial?(r(e,i),function(e,t){e.metalness.value=t.metalness,t.metalnessMap&&(e.metalnessMap.value=t.metalnessMap,n(t.metalnessMap,e.metalnessMapTransform));e.roughness.value=t.roughness,t.roughnessMap&&(e.roughnessMap.value=t.roughnessMap,n(t.roughnessMap,e.roughnessMapTransform));t.envMap&&(e.envMapIntensity.value=t.envMapIntensity)}(e,i),i.isMeshPhysicalMaterial&&function(e,t,r){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap,n(t.sheenColorMap,e.sheenColorMapTransform)),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap,n(t.sheenRoughnessMap,e.sheenRoughnessMapTransform)));t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap,n(t.clearcoatMap,e.clearcoatMapTransform)),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap,n(t.clearcoatRoughnessMap,e.clearcoatRoughnessMapTransform)),t.clearcoatNormalMap&&(e.clearcoatNormalMap.value=t.clearcoatNormalMap,n(t.clearcoatNormalMap,e.clearcoatNormalMapTransform),e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),t.side===c&&e.clearcoatNormalScale.value.negate()));t.dispersion>0&&(e.dispersion.value=t.dispersion);t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap,n(t.iridescenceMap,e.iridescenceMapTransform)),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap,n(t.iridescenceThicknessMap,e.iridescenceThicknessMapTransform)));t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=r.texture,e.transmissionSamplerSize.value.set(r.width,r.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap,n(t.transmissionMap,e.transmissionMapTransform)),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap,n(t.thicknessMap,e.thicknessMapTransform)),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor));t.anisotropy>0&&(e.anisotropyVector.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation)),t.anisotropyMap&&(e.anisotropyMap.value=t.anisotropyMap,n(t.anisotropyMap,e.anisotropyMapTransform)));e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap,n(t.specularColorMap,e.specularColorMapTransform));t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap,n(t.specularIntensityMap,e.specularIntensityMapTransform))}(e,i,s)):i.isMeshMatcapMaterial?(r(e,i),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,i)):i.isMeshDepthMaterial?r(e,i):i.isMeshDistanceMaterial?(r(e,i),function(e,n){const r=t.get(n).light;e.referencePosition.value.setFromMatrixPosition(r.matrixWorld),e.nearDistance.value=r.shadow.camera.near,e.farDistance.value=r.shadow.camera.far}(e,i)):i.isMeshNormalMaterial?r(e,i):i.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,t.map&&(e.map.value=t.map,n(t.map,e.mapTransform))}(e,i),i.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,i)):i.isPointsMaterial?function(e,t,r,i){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*r,e.scale.value=.5*i,t.map&&(e.map.value=t.map,n(t.map,e.uvTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,n(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,i,a,o):i.isSpriteMaterial?function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map,n(t.map,e.mapTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,n(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,i):i.isShadowMaterial?(e.color.value.copy(i.color),e.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function la(e,t,n,r){let i={},a={},o=[];const s=e.getParameter(e.MAX_UNIFORM_BUFFER_BINDINGS);function l(e,t,n,r){const i=e.value,a=t+"_"+n;if(void 0===r[a])return r[a]="number"==typeof i||"boolean"==typeof i?i:i.clone(),!0;{const e=r[a];if("number"==typeof i||"boolean"==typeof i){if(e!==i)return r[a]=i,!0}else if(!1===e.equals(i))return e.copy(i),!0}return!1}function c(e){const t={boundary:0,storage:0};return"number"==typeof e||"boolean"==typeof e?(t.boundary=4,t.storage=4):e.isVector2?(t.boundary=8,t.storage=8):e.isVector3||e.isColor?(t.boundary=16,t.storage=12):e.isVector4?(t.boundary=16,t.storage=16):e.isMatrix3?(t.boundary=48,t.storage=48):e.isMatrix4?(t.boundary=64,t.storage=64):e.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",e),t}function d(t){const n=t.target;n.removeEventListener("dispose",d);const r=o.indexOf(n.__bindingPointIndex);o.splice(r,1),e.deleteBuffer(i[n.id]),delete i[n.id],delete a[n.id]}return{bind:function(e,t){const n=t.program;r.uniformBlockBinding(e,n)},update:function(n,u){let f=i[n.id];void 0===f&&(!function(e){const t=e.uniforms;let n=0;const r=16;for(let e=0,i=t.length;e0&&(n+=r-i);e.__size=n,e.__cache={}}(n),f=function(t){const n=function(){for(let e=0;e0),u=!!n.morphAttributes.position,f=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=D;r.toneMapped&&(null!==w&&!0!==w.isXRRenderTarget||(m=C.toneMapping));const h=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,_=void 0!==h?h.length:0,g=ue.get(r),v=R.state.lights;if(!0===J&&(!0===ee||e!==N)){const t=e===N&&r.id===I;Re.setState(r,e,t)}let E=!1;r.version===g.__version?g.needsLights&&g.lightsStateVersion!==v.state.version||g.outputColorSpace!==s||i.isBatchedMesh&&!1===g.batching?E=!0:i.isBatchedMesh||!0!==g.batching?i.isBatchedMesh&&!0===g.batchingColor&&null===i.colorTexture||i.isBatchedMesh&&!1===g.batchingColor&&null!==i.colorTexture||i.isInstancedMesh&&!1===g.instancing?E=!0:i.isInstancedMesh||!0!==g.instancing?i.isSkinnedMesh&&!1===g.skinning?E=!0:i.isSkinnedMesh||!0!==g.skinning?i.isInstancedMesh&&!0===g.instancingColor&&null===i.instanceColor||i.isInstancedMesh&&!1===g.instancingColor&&null!==i.instanceColor||i.isInstancedMesh&&!0===g.instancingMorph&&null===i.morphTexture||i.isInstancedMesh&&!1===g.instancingMorph&&null!==i.morphTexture||g.envMap!==l||!0===r.fog&&g.fog!==a?E=!0:void 0===g.numClippingPlanes||g.numClippingPlanes===Re.numPlanes&&g.numIntersection===Re.numIntersection?(g.vertexAlphas!==c||g.vertexTangents!==d||g.morphTargets!==u||g.morphNormals!==f||g.morphColors!==p||g.toneMapping!==m||g.morphTargetsCount!==_)&&(E=!0):E=!0:E=!0:E=!0:E=!0:(E=!0,g.__version=r.version);let S=g.currentProgram;!0===E&&(S=$e(r,t,i));let T=!1,M=!1,x=!1;const A=S.getUniforms(),b=g.uniforms;ce.useProgram(S.program)&&(T=!0,M=!0,x=!0);r.id!==I&&(I=r.id,M=!0);if(T||N!==e){ce.buffers.depth.getReversed()&&!0!==e.reversedDepth&&(e._reversedDepth=!0,e.updateProjectionMatrix()),A.setValue(Ie,"projectionMatrix",e.projectionMatrix),A.setValue(Ie,"viewMatrix",e.matrixWorldInverse);const t=A.map.cameraPosition;void 0!==t&&t.setValue(Ie,ne.setFromMatrixPosition(e.matrixWorld)),le.logarithmicDepthBuffer&&A.setValue(Ie,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial)&&A.setValue(Ie,"isOrthographic",!0===e.isOrthographicCamera),N!==e&&(N=e,M=!0,x=!0)}if(i.isSkinnedMesh){A.setOptional(Ie,i,"bindMatrix"),A.setOptional(Ie,i,"bindMatrixInverse");const e=i.skeleton;e&&(null===e.boneTexture&&e.computeBoneTexture(),A.setValue(Ie,"boneTexture",e.boneTexture,pe))}i.isBatchedMesh&&(A.setOptional(Ie,i,"batchingTexture"),A.setValue(Ie,"batchingTexture",i._matricesTexture,pe),A.setOptional(Ie,i,"batchingIdTexture"),A.setValue(Ie,"batchingIdTexture",i._indirectTexture,pe),A.setOptional(Ie,i,"batchingColorTexture"),null!==i._colorsTexture&&A.setValue(Ie,"batchingColorTexture",i._colorsTexture,pe));const L=n.morphAttributes;void 0===L.position&&void 0===L.normal&&void 0===L.color||Ce.update(i,n,S);(M||g.receiveShadow!==i.receiveShadow)&&(g.receiveShadow=i.receiveShadow,A.setValue(Ie,"receiveShadow",i.receiveShadow));r.isMeshGouraudMaterial&&null!==r.envMap&&(b.envMap.value=l,b.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);r.isMeshStandardMaterial&&null===r.envMap&&null!==t.environment&&(b.envMapIntensity.value=t.environmentIntensity);M&&(A.setValue(Ie,"toneMappingExposure",C.toneMappingExposure),g.needsLights&&(U=x,(P=b).ambientLightColor.needsUpdate=U,P.lightProbe.needsUpdate=U,P.directionalLights.needsUpdate=U,P.directionalLightShadows.needsUpdate=U,P.pointLights.needsUpdate=U,P.pointLightShadows.needsUpdate=U,P.spotLights.needsUpdate=U,P.spotLightShadows.needsUpdate=U,P.rectAreaLights.needsUpdate=U,P.hemisphereLights.needsUpdate=U),a&&!0===r.fog&&Te.refreshFogUniforms(b,a),Te.refreshMaterialUniforms(b,r,Y,X,R.state.transmissionRenderTarget[e.id]),_i.upload(Ie,Qe(g),b,pe));var P,U;r.isShaderMaterial&&!0===r.uniformsNeedUpdate&&(_i.upload(Ie,Qe(g),b,pe),r.uniformsNeedUpdate=!1);r.isSpriteMaterial&&A.setValue(Ie,"center",i.center);if(A.setValue(Ie,"modelViewMatrix",i.modelViewMatrix),A.setValue(Ie,"normalMatrix",i.normalMatrix),A.setValue(Ie,"modelMatrix",i.matrixWorld),r.isShaderMaterial||r.isRawShaderMaterial){const e=r.uniformsGroups;for(let t=0,n=e.length;t{function n(){r.forEach(function(e){ue.get(e).currentProgram.isReady()&&r.delete(e)}),0!==r.size?setTimeout(n,10):t(e)}null!==se.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)})};let ze=null;function ke(){Xe.stop()}function We(){Xe.start()}const Xe=new Cn;function Ye(e,t,n,r){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)R.pushLight(e),e.castShadow&&R.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||Q.intersectsSprite(e)){r&&re.setFromMatrixPosition(e.matrixWorld).applyMatrix4(te);const t=Ee.update(e),i=e.material;i.visible&&x.push(e,t,i,n,re.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||Q.intersectsObject(e))){const t=Ee.update(e),i=e.material;if(r&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),re.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),re.copy(t.boundingSphere.center)),re.applyMatrix4(e.matrixWorld).applyMatrix4(te)),Array.isArray(i)){const r=t.groups;for(let a=0,o=r.length;a0&&je(i,t,n),a.length>0&&je(a,t,n),o.length>0&&je(o,t,n),ce.buffers.depth.setTest(!0),ce.buffers.depth.setMask(!0),ce.buffers.color.setMask(!0),ce.setPolygonOffset(!1)}function qe(e,t,n,r){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===R.state.transmissionRenderTarget[r.id]&&(R.state.transmissionRenderTarget[r.id]=new y(1,1,{generateMipmaps:!0,type:se.has("EXT_color_buffer_half_float")||se.has("EXT_color_buffer_float")?E:S,minFilter:ot,samples:4,stencilBuffer:o,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:p.workingColorSpace}));const i=R.state.transmissionRenderTarget[r.id],a=r.viewport||O;i.setSize(a.z*C.transmissionResolutionScale,a.w*C.transmissionResolutionScale);const s=C.getRenderTarget(),l=C.getActiveCubeFace(),d=C.getActiveMipmapLevel();C.setRenderTarget(i),C.getClearColor(V),z=C.getClearAlpha(),z<1&&C.setClearColor(16777215,.5),C.clear(),ae&&be.render(n);const u=C.toneMapping;C.toneMapping=D;const f=r.viewport;if(void 0!==r.viewport&&(r.viewport=void 0),R.setupLightsView(r),!0===J&&Re.setGlobalState(C.clippingPlanes,r),je(e,n,r),pe.updateMultisampleRenderTarget(i),pe.updateRenderTargetMipmap(i),!1===se.has("WEBGL_multisampled_render_to_texture")){let e=!1;for(let i=0,a=t.length;i0)for(let t=0,a=n.length;t0&&qe(r,i,e,t),ae&&be.render(e),Ke(x,e,t);null!==w&&0===U&&(pe.updateMultisampleRenderTarget(w),pe.updateRenderTargetMipmap(w)),!0===e.isScene&&e.onAfterRender(C,e,t),De.resetDefaultState(),I=-1,N=null,b.pop(),b.length>0?(R=b[b.length-1],!0===J&&Re.setGlobalState(C.clippingPlanes,R.state.camera)):R=null,A.pop(),x=A.length>0?A[A.length-1]:null},this.getActiveCubeFace=function(){return P},this.getActiveMipmapLevel=function(){return U},this.getRenderTarget=function(){return w},this.setRenderTargetTextures=function(e,t,n){const r=ue.get(e);r.__autoAllocateDepthBuffer=!1===e.resolveDepthBuffer,!1===r.__autoAllocateDepthBuffer&&(r.__useRenderToTexture=!1),ue.get(e.texture).__webglTexture=t,ue.get(e.depthTexture).__webglTexture=r.__autoAllocateDepthBuffer?void 0:n,r.__hasExternalTextures=!0},this.setRenderTargetFramebuffer=function(e,t){const n=ue.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t};const et=Ie.createFramebuffer();this.setRenderTarget=function(e,t=0,n=0){w=e,P=t,U=n;let r=!0,i=null,a=!1,o=!1;if(e){const s=ue.get(e);if(void 0!==s.__useDefaultFramebuffer)ce.bindFramebuffer(Ie.FRAMEBUFFER,null),r=!1;else if(void 0===s.__webglFramebuffer)pe.setupRenderTarget(e);else if(s.__hasExternalTextures)pe.rebindTextures(e,ue.get(e.texture).__webglTexture,ue.get(e.depthTexture).__webglTexture);else if(e.depthBuffer){const t=e.depthTexture;if(s.__boundDepthTexture!==t){if(null!==t&&ue.has(t)&&(e.width!==t.image.width||e.height!==t.image.height))throw new Error("WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.");pe.setupDepthRenderbuffer(e)}}const l=e.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(o=!0);const c=ue.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=Array.isArray(c[t])?c[t][n]:c[t],a=!0):i=e.samples>0&&!1===pe.useMultisampledRTT(e)?ue.get(e).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,O.copy(e.viewport),B.copy(e.scissor),G=e.scissorTest}else O.copy(j).multiplyScalar(Y).floor(),B.copy(Z).multiplyScalar(Y).floor(),G=$;0!==n&&(i=et);if(ce.bindFramebuffer(Ie.FRAMEBUFFER,i)&&r&&ce.drawBuffers(e,i),ce.viewport(O),ce.scissor(B),ce.setScissorTest(G),a){const r=ue.get(e.texture);Ie.framebufferTexture2D(Ie.FRAMEBUFFER,Ie.COLOR_ATTACHMENT0,Ie.TEXTURE_CUBE_MAP_POSITIVE_X+t,r.__webglTexture,n)}else if(o){const r=t;for(let t=0;t=0&&t<=e.width-r&&n>=0&&n<=e.height-i&&(e.textures.length>1&&Ie.readBuffer(Ie.COLOR_ATTACHMENT0+s),Ie.readPixels(t,n,r,i,Ue.convert(l),Ue.convert(c),a))}finally{const e=null!==w?ue.get(w).__webglFramebuffer:null;ce.bindFramebuffer(Ie.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,n,r,i,a,o,s=0){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=ue.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){if(t>=0&&t<=e.width-r&&n>=0&&n<=e.height-i){ce.bindFramebuffer(Ie.FRAMEBUFFER,l);const o=e.textures[s],c=o.format,d=o.type;if(!le.textureFormatReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!le.textureTypeReadable(d))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");const u=Ie.createBuffer();Ie.bindBuffer(Ie.PIXEL_PACK_BUFFER,u),Ie.bufferData(Ie.PIXEL_PACK_BUFFER,a.byteLength,Ie.STREAM_READ),e.textures.length>1&&Ie.readBuffer(Ie.COLOR_ATTACHMENT0+s),Ie.readPixels(t,n,r,i,Ue.convert(c),Ue.convert(d),0);const f=null!==w?ue.get(w).__webglFramebuffer:null;ce.bindFramebuffer(Ie.FRAMEBUFFER,f);const p=Ie.fenceSync(Ie.SYNC_GPU_COMMANDS_COMPLETE,0);return Ie.flush(),await bn(Ie,p,4),Ie.bindBuffer(Ie.PIXEL_PACK_BUFFER,u),Ie.getBufferSubData(Ie.PIXEL_PACK_BUFFER,0,a),Ie.deleteBuffer(u),Ie.deleteSync(p),a}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,n=0){const r=Math.pow(2,-n),i=Math.floor(e.image.width*r),a=Math.floor(e.image.height*r),o=null!==t?t.x:0,s=null!==t?t.y:0;pe.setTexture2D(e,0),Ie.copyTexSubImage2D(Ie.TEXTURE_2D,n,0,0,o,s,i,a),ce.unbindTexture()};const tt=Ie.createFramebuffer(),nt=Ie.createFramebuffer();this.copyTextureToTexture=function(e,t,n=null,r=null,i=0,a=null){let o,s,l,c,d,u,f,p,m;null===a&&(0!==i?(H("WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels."),a=i,i=0):a=0);const h=e.isCompressedTexture?e.mipmaps[a]:e.image;if(null!==n)o=n.max.x-n.min.x,s=n.max.y-n.min.y,l=n.isBox3?n.max.z-n.min.z:1,c=n.min.x,d=n.min.y,u=n.isBox3?n.min.z:0;else{const t=Math.pow(2,-i);o=Math.floor(h.width*t),s=Math.floor(h.height*t),l=e.isDataArrayTexture?h.depth:e.isData3DTexture?Math.floor(h.depth*t):1,c=0,d=0,u=0}null!==r?(f=r.x,p=r.y,m=r.z):(f=0,p=0,m=0);const _=Ue.convert(t.format),g=Ue.convert(t.type);let v;t.isData3DTexture?(pe.setTexture3D(t,0),v=Ie.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(pe.setTexture2DArray(t,0),v=Ie.TEXTURE_2D_ARRAY):(pe.setTexture2D(t,0),v=Ie.TEXTURE_2D),Ie.pixelStorei(Ie.UNPACK_FLIP_Y_WEBGL,t.flipY),Ie.pixelStorei(Ie.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),Ie.pixelStorei(Ie.UNPACK_ALIGNMENT,t.unpackAlignment);const E=Ie.getParameter(Ie.UNPACK_ROW_LENGTH),S=Ie.getParameter(Ie.UNPACK_IMAGE_HEIGHT),T=Ie.getParameter(Ie.UNPACK_SKIP_PIXELS),M=Ie.getParameter(Ie.UNPACK_SKIP_ROWS),x=Ie.getParameter(Ie.UNPACK_SKIP_IMAGES);Ie.pixelStorei(Ie.UNPACK_ROW_LENGTH,h.width),Ie.pixelStorei(Ie.UNPACK_IMAGE_HEIGHT,h.height),Ie.pixelStorei(Ie.UNPACK_SKIP_PIXELS,c),Ie.pixelStorei(Ie.UNPACK_SKIP_ROWS,d),Ie.pixelStorei(Ie.UNPACK_SKIP_IMAGES,u);const R=e.isDataArrayTexture||e.isData3DTexture,A=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const n=ue.get(e),r=ue.get(t),h=ue.get(n.__renderTarget),_=ue.get(r.__renderTarget);ce.bindFramebuffer(Ie.READ_FRAMEBUFFER,h.__webglFramebuffer),ce.bindFramebuffer(Ie.DRAW_FRAMEBUFFER,_.__webglFramebuffer);for(let n=0;n .tabbed-content { - background: var(--md-code-bg-color); + background: var(--md-default-bg-color); } @media screen and (max-width: 44.9375em) { diff --git a/overrides/stylesheets/extra.css b/overrides/stylesheets/extra.css index b50db98be..e2b045fc1 100644 --- a/overrides/stylesheets/extra.css +++ b/overrides/stylesheets/extra.css @@ -1,3 +1,4 @@ + /* Theme tokens */ /* https://github.com/squidfunk/mkdocs-material/blob/6b5035f5580f97532d664e3d1babf5f320e88ee9/src/assets/stylesheets/main/_colors.scss */ /* https://squidfunk.github.io/mkdocs-material/setup/changing-the-colors/#custom-colors */ @@ -29,35 +30,71 @@ } [data-md-color-scheme="slate"] { - --theme-dark-base: #1e1e1e; - --theme-dark-mantle: #1a1a1a; - --theme-dark-crust: #171717; + --theme-dark-base: #171717; + --theme-dark-surface: #1e1e1e; + --theme-dark-overlay: #252525; + /* Neutral reading hierarchy shared with the dark SVG palette. */ + --theme-dark-text: #dcdcdc; + --theme-dark-text-strong: #eeeeee; + --theme-dark-text-secondary: #c1c1c1; + --theme-dark-text-muted: #a5a5a5; --hero-starfield-bg-color: var(--theme-dark-base); --md-primary-fg-color: var(--theme-dark-base); - --md-primary-bg-color: #adbac7; + --md-primary-bg-color: var(--theme-dark-text); - --md-default-fg-color: #adbac7; + --md-default-fg-color: var(--theme-dark-text); + --md-default-fg-color--light: var(--theme-dark-text-secondary); + --md-default-fg-color--lighter: rgb(220 220 220 / 0.32); + --md-default-fg-color--lightest: rgb(220 220 220 / 0.12); --md-default-bg-color: var(--theme-dark-base); - --md-default-bg-color--light: rgb(30 30 30 / 0.8); + --md-default-bg-color--light: color-mix(in srgb, var(--theme-dark-base) 80%, transparent); --md-body-bg-color: var(--md-default-bg-color); - --md-header-bg-color: rgba(26, 26, 26, 0.8); + --md-header-bg-color: var(--md-default-bg-color--light); - --md-code-fg-color: #adbac7; - --md-code-bg-color: var(--theme-dark-crust); + --md-code-fg-color: var(--theme-dark-text); + --md-code-hl-comment-color: var(--theme-dark-text-muted); + --md-code-hl-variable-color: var(--theme-dark-text); + --md-code-hl-punctuation-color: var(--theme-dark-text-secondary); + --md-code-hl-operator-color: var(--theme-dark-text-secondary); + --md-code-hl-generic-color: var(--theme-dark-text-secondary); + --md-code-bg-color: var(--theme-dark-surface); + --md-code-bg-color--light: color-mix(in srgb, var(--theme-dark-surface) 70%, transparent); + --md-code-bg-color--lighter: color-mix(in srgb, var(--theme-dark-surface) 30%, transparent); - --md-typeset-color: #adbac7; + --md-typeset-color: var(--theme-dark-text); --md-typeset-a-color: #52bbb1; --md-accent-fg-color: var(--md-typeset-a-color); --md-typeset-btn-color: #52bbb1; --md-typeset-btn-hover-color: #55aea6; - --md-footer-fg-color: #adbac7; - --md-footer-bg-color: var(--theme-dark-mantle); + --md-footer-fg-color: var(--theme-dark-text-secondary); + --md-footer-bg-color: var(--theme-dark-base); + --md-footer-bg-color--dark: var(--theme-dark-base); --md-admonition-pythontutor-color: var(--md-code-bg-color); + + /* Search uses RGB channels inside its shadow root. */ + --color-foreground: 220 220 220; + --color-background: 37 37 37; + --color-background-subtle: 30 30 30; + --color-backdrop: 23 23 23; +} + +[data-md-color-scheme="slate"] .md-typeset :is(h1, h2, h3, h4, h5, h6) { + color: var(--theme-dark-text-strong); +} + +[data-md-color-scheme="slate"] :is(.md-select__inner, .md-tooltip, .md-tooltip2__inner) { + --md-default-bg-color: var(--theme-dark-overlay); + background-color: var(--theme-dark-overlay); +} + +[data-md-color-scheme="slate"] .md-dialog { + background-color: var(--theme-dark-overlay); + color: var(--md-default-fg-color); } [data-md-color-scheme="slate"][data-md-color-primary="black"], @@ -75,7 +112,7 @@ body { } html:has(body[data-md-color-scheme="slate"]) { - background-color: #1e1e1e; + background-color: #171717; } html:has(body[data-md-color-scheme="default"]) { @@ -352,6 +389,14 @@ html:has(body[data-md-color-scheme="default"]) { padding-top: 0.4rem; } +[data-md-color-scheme="slate"] .md-typeset :is(.admonition, details):not(.pythontutor) { + background-color: var(--theme-dark-surface); +} + +[data-md-color-scheme="slate"] .md-typeset :is(.admonition, details):not(.pythontutor) > :is(.admonition-title, summary) { + background-color: color-mix(in srgb, var(--hello-algo-callout-color) 10%, var(--theme-dark-surface)); +} + [dir="ltr"] .md-typeset :is(.admonition, details):not(.pythontutor) > :is(.admonition-title, summary) { padding-left: 2.4rem; } @@ -393,12 +438,6 @@ html:has(body[data-md-color-scheme="default"]) { mask-image: var(--md-admonition-icon--pythontutor); } -[data-md-color-scheme="slate"] .md-typeset details.pythontutor[open]> :not(summary), -[data-md-color-scheme="slate"] .md-typeset details.pythontutor[open]> :not(summary) :is(p, li, strong, em, sub, sup, code, a) { - background-color: #f5f5f5; - color: #1d1d20; -} - .md-typeset .tabbed-labels>label { font-size: 0.61rem; } @@ -408,6 +447,8 @@ html:has(body[data-md-color-scheme="default"]) { } .pythontutor-iframe { + /* The embedded third-party visualizer has its own light canvas. */ + background-color: #f5f5f5; width: 125%; height: 125%; max-width: 125% !important; @@ -441,7 +482,7 @@ html:has(body[data-md-color-scheme="default"]) { } .home-div--black { - background-color: #101010; + background-color: var(--theme-dark-base, #171717); } .home-div[data-md-color-scheme="default"], @@ -812,7 +853,7 @@ a:hover .device-on-hover { margin: 0; padding: 1.25em 2.5em; border-radius: 28px; - background-color: #101010; + background-color: var(--theme-dark-surface, #1e1e1e); box-sizing: border-box; overflow: hidden; } diff --git a/overrides/stylesheets/hero-motion.css b/overrides/stylesheets/hero-motion.css new file mode 100644 index 000000000..1afd96cf1 --- /dev/null +++ b/overrides/stylesheets/hero-motion.css @@ -0,0 +1,273 @@ +/* Shared by the Zensical and legacy landing pages. */ +:root { + --home-universe-bg: #171717; +} + +/* Keep the landing header and static/animated scene on the same opaque surface. */ +.md-header.md-header--landing { + background-color: var(--home-universe-bg); + backdrop-filter: none; + -webkit-backdrop-filter: none; +} + +.home-div.home-universe-bg { + --hero-starfield-bg-color: var(--home-universe-bg); + background-color: var(--home-universe-bg); + position: relative; + display: flex; + flex-direction: column; + height: auto; + min-height: calc(min(100svh, 120vw) - 2.4rem); + margin-top: 0; + padding: 0 0 1rem; + overflow: hidden; +} + +/* Keep the map below the header and let captions grow in their own space. + Absolute positioning clipped the map and overlaid its bottom labels on short screens. */ +.home-div.home-universe-bg > .hero-div { + flex: none; + max-width: 100%; + height: auto; + aspect-ratio: 4 / 3; + margin: 0 auto; +} + +.home-div.home-universe-bg > .heading-div { + position: relative; + left: auto; + bottom: auto; + transform: none; + padding: 0 .75rem 2rem; +} + +.home-div.home-universe-bg > .heading-div p { + text-wrap: balance; +} + +/* Reserve room for the heading and actions on ordinary desktop screens. + Short landscape screens keep a readable map and scroll instead of shrinking it. */ +@media (min-width: 901px) and (min-height: 640px) { + .home-div.home-universe-bg > .hero-div { + max-width: min(100%, calc((100svh - 16rem) * 4 / 3)); + } +} + +.hero-universe .starfield { + pointer-events: none; + background-image: + linear-gradient(var(--home-universe-bg) 72px, transparent 200px), + radial-gradient(ellipse at 25% 30%, rgba(85, 174, 166, 0.055), transparent 55%), + radial-gradient(ellipse at 80% 60%, rgba(130, 144, 187, 0.045), transparent 50%); +} + +.hero-universe .hero-stars { + position: absolute; + inset: 0; + width: 100%; + height: 100%; +} + +/* Drift is independent of hover; selection never changes an object's size. */ +.hero-universe .hero-div > a > img, +.hero-universe .hero-div > a > span { + translate: var(--hero-x, 0px) var(--hero-y, 0px); +} + +.hero-universe .hero-div > a > img { + rotate: var(--hero-angle, 0deg); + transition: transform 240ms ease, filter 240ms ease; +} + +.hero-universe .hero-ground, +.hero-universe .hero-links { + translate: var(--hero-ground-x, 0px) var(--hero-ground-y, 0px); + pointer-events: none; +} + +.hero-universe .hero-links { + opacity: .72; + transition: filter 300ms ease; +} + +.hero-universe .hero-network-active > .hero-links { + filter: brightness(1.16) drop-shadow(0 0 2px rgba(126, 207, 196, 0.22)); +} + +.hero-universe .hero-div > a.hero-selected > img { + transform: none; + filter: brightness(1.04) drop-shadow(0 0 3px rgba(147, 213, 204, 0.18)); +} + +.hero-universe .hero-div > a.hero-selected > span { + color: var(--md-typeset-btn-color); + text-decoration: underline; + text-underline-offset: 0.2em; +} + +/* The positioned children, rather than the zero-size inline anchor, show focus. */ +.hero-universe .hero-div > a:focus-visible { + outline: none; +} + +.hero-universe .hero-div > a:focus-visible > span { + outline: 2px solid var(--md-typeset-btn-color); + outline-offset: 5px; + border-radius: 2px; +} + +.hero-universe .hero-motion-toggle { + position: absolute; + bottom: 0.65rem; + right: 0.65rem; + z-index: 4; + display: grid; + place-items: center; + width: 44px; + height: 44px; + padding: 11px; + border: 1px solid rgba(197, 216, 213, 0.25); + border-radius: 50%; + background: rgba(30, 30, 30, 0.7); + color: #bbceca; + cursor: pointer; + transition: border-color 200ms ease, color 200ms ease; +} + +.hero-universe .hero-motion-toggle:hover, +.hero-universe .hero-motion-toggle:focus-visible { + color: #e1f3ef; + border-color: var(--md-typeset-btn-color); + outline: 2px solid var(--md-typeset-btn-color); + outline-offset: 3px; +} + +.hero-motion-toggle svg { + width: 20px; + height: 20px; + fill: none; + stroke: currentColor; + stroke-width: 1.7; + stroke-linecap: round; + stroke-linejoin: round; +} + +.hero-motion-toggle .hero-play-icon, +.hero-motion-toggle[data-paused="true"] .hero-pause-icon, +.hero-universe .hero-motion-toggle[hidden] { + display: none; +} + +.hero-motion-toggle[data-paused="true"] .hero-play-icon { + display: block; +} + +@media (prefers-reduced-motion: reduce) { + .hero-universe .hero-div > a > img, + .hero-universe .hero-div > a > span, + .hero-universe .hero-ground, + .hero-universe .hero-links { + translate: none; + rotate: none; + transition: none; + } + + .hero-universe .hero-div > a:hover > img, + .hero-universe .hero-div > a.hero-selected > img { + transform: none; + } +} + +/* The PNG boxes remain the native link hit targets and responsive layout anchors. */ +.hero-universe .hero-div > a > img.hero-replaced { + opacity: 0; +} + +.hero-universe .hero-objects-canvas { + position: absolute; + inset: 0; + width: 100%; + height: 100%; + pointer-events: none; +} + +.hero-universe .hero-objects-canvas[hidden] { + display: none; +} + +/* Original art is a complete fallback; labels and hit areas remain native HTML. */ +.hero-universe .hero-div > img.hero-replaced { opacity: 0; } + +.hero-universe > .hero-objects-canvas { z-index: 0; } + +/* Immediate preference response also covers an already-paused animation clock. */ +@media (prefers-reduced-motion: reduce) { + .hero-universe .hero-objects-canvas, + .hero-universe .hero-motion-toggle { display: none; } + .hero-universe .hero-div img.hero-replaced { opacity: 1; } + .hero-three-active .hero-stars { visibility: visible; } +} + +/* Long localized labels need space beside the new volumetric silhouettes. */ +.hero-three-active :is(.hero-div--en, .hero-div--ru) > a[href$="chapter_greedy/"] > span { + margin-left: -4%; +} +.hero-three-active :is(.hero-div--en, .hero-div--ru, .hero-div--ja) > a[href$="chapter_stack_and_queue/"] > span { + margin-left: 4%; +} + +/* Long translated chapter names use readable native links on narrow screens. */ +@media screen and (min-width: 901px) { + /* Keep the original planet silhouettes; move long labels into the open gaps. */ + .hero-universe :is(.hero-div--en, .hero-div--ru, .hero-div--ja, .hero-div--ko) > a[href$="chapter_introduction/"] > span { + margin-top: .6rem; + } + .hero-universe .hero-div--en > a[href$="chapter_divide_and_conquer/"] > span { + margin-left: -4.5%; + } +} + +@media screen and (max-width: 900px) { + .home-div.home-universe-bg > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) { aspect-ratio: auto; } + .hero-universe .hero-div--ko > a[href$="chapter_introduction/"] > span { + left: 48% !important; + top: 95% !important; + } + .hero-universe .hero-div--ko > a[href$="chapter_divide_and_conquer/"] > span { + margin-left: -2%; + } + .home-div:has(> :is(.hero-div--en, .hero-div--ru, .hero-div--ja)) { display: block; height: auto !important; margin-top: 0 !important; padding: .5rem 0 1rem !important; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem .5rem; width: calc(100% - 1.5rem); height: auto; margin: .5rem auto 1rem; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) > img { display: none; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) > a { display: flex; align-items: center; gap: .4rem; min-width: 0; min-height: 48px; padding: .3rem .15rem; text-align: left; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) > a > img { position: static; flex-shrink: 0; width: 32px !important; height: 32px !important; object-fit: contain; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) > a > span { position: static; min-width: 0; transform: none; white-space: normal; font-size: 13px; line-height: 1.3; } + .home-div > :is(.hero-div--en, .hero-div--ru, .hero-div--ja) + .heading-div { position: relative; left: auto; bottom: auto; transform: none; padding: 0 .75rem; } +} + +/* Restore the animated, hand-drawn glass from the accepted motion study. */ +.hero-universe .hero-div > a > .hero-hourglass { + position: absolute; + width: auto; + aspect-ratio: 113 / 178; + overflow: visible; + pointer-events: none; + translate: var(--hero-x, 0px) var(--hero-y, 0px); + rotate: var(--hero-angle, 0deg); + transition: transform 240ms ease, filter 240ms ease; +} +.hero-universe .hero-div > a.hero-selected > .hero-hourglass { + transform: none; + filter: brightness(1.04) drop-shadow(0 0 3px rgba(147, 213, 204, 0.18)); +} +@media (prefers-reduced-motion: reduce) { + .hero-universe .hero-hourglass { display: none !important; } +} + +/* Override legacy :hover scaling, including the still-visible original hit targets. */ +.hero-universe .hero-div > a:hover > img { transform: none; filter: none; } +.hero-universe .hero-div > a.hero-selected > img { filter: brightness(1.04); } + +/* Intrinsic dimensions reserve space without overriding responsive media height. */ +.home-div .profile-img { height: auto; } +.home-div video.intro-image { height: auto; } diff --git a/ru/docs/index.html b/ru/docs/index.html index f37a15b9b..a61dba915 100644 --- a/ru/docs/index.html +++ b/ru/docs/index.html @@ -1,343 +1,529 @@ - -
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- - - - - Первое знакомство с алгоритмами - - - - Сложность - - - - Массивы и списки - - - - Стеки и очереди - - - - Хеш-таблицы - - - - Деревья - - - - Кучи - - - - Графы - - - - Поиск - - - - Сортировка - - - - Разделяй и властвуй - - - - Поиск с возвратом - - - - Динамическое программирование - - - - Жадные алгоритмы - -
- - -
- -
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- Учебник по структурам данных и алгоритмам с анимированными схемами и кодом, готовым к запуску в один клик -

- - - - - Начать чтение - - - - - - - GitHub - -
- -
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+ + + +
+
+
+
+
+
+ + + + + + Первое знакомство с алгоритмами + + + + + + Сложность + + + + + + Массивы и списки + + + + + + Стеки и очереди + + + + + + Хеш-таблицы + + + + + + Деревья + + + + + + Кучи + + + + + + Графы + + + + + + Поиск + + + + + + Сортировка + + + + + + Разделяй и властвуй + + + + + + Поиск с возвратом + + + + + + Динамическое программирование + + + + + + Жадные алгоритмы + + +
+
+ +
+

+ Учебник по структурам данных и алгоритмам с анимированными схемами и кодом, готовым к запуску в один клик +

+ + + + + + + + Начать чтение + + + + + + + + + GitHub + + +
+
+ + + + +
+
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500 анимированных схем, код на 14 языках программирования и 3000 ответов сообщества помогут вам быстро войти в мир структур данных и алгоритмов.

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+
+
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+ +
+
+ + +
+
+
+ + Читать онлайн + + + + + +
+ +
+
+ + + +
+ + Скачать PDF/EPUB + + + + + +
+ +
+
+

+ 500 анимированных схем, код на 14 языках программирования и 3000 ответов сообщества помогут вам быстро войти в мир структур данных и алгоритмов. +

+
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Рекомендации

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«Понятная вводная книга по структурам данных и алгоритмам, которая ведет читателя через практическое обучение шаг за шагом. Очень рекомендую всем начинающим.»

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—— Junhui Deng, профессор факультета компьютерных наук Университета Цинхуа

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-
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«Если бы у меня была “Hello Algo”, когда я изучал структуры данных и алгоритмы, учиться было бы в десять раз проще!»

-

—— Mu Li, Senior Principal Scientist, Amazon

-
-
-
+
+
+

+ Рекомендации +

+
+
+

+ «Понятная вводная книга по структурам данных и алгоритмам, которая ведет читателя через практическое обучение шаг за шагом. Очень рекомендую всем начинающим.» +

+

+ —— Junhui Deng, профессор факультета компьютерных наук Университета Цинхуа +

+
+
+

+ «Если бы у меня была “Hello Algo”, когда я изучал структуры данных и алгоритмы, учиться было бы в десять раз проще!» +

+

+ —— Mu Li, Senior Principal Scientist, Amazon +

+
+
+
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Анимированные схемы

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-

Материал изложен ясно и последовательно, поэтому вход в тему получается плавным.

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"A picture is worth a thousand words."
«Одна схема стоит тысячи слов»

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Запуск в один клик

-
-

Код на более чем десяти языках можно запускать и визуализировать прямо в книге.

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"Talk is cheap. Show me the code."
«Меньше слов, больше кода»

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Учимся вместе

-
-

Добро пожаловать к обсуждениям и вопросам: продвигаться вместе проще.

-

"Learning by teaching."
«Обучая других, учишься сам»

-
-
- -
- +
+
+
+
+
+
+ + + + +

+ Анимированные схемы +

+
+

+ Материал изложен ясно и последовательно, поэтому вход в тему получается плавным. +

+

+ "A picture is worth a thousand words." +
+ «Одна схема стоит тысячи слов» +

-
- - -
-
- -
-

Автор

-
-
- - Author: yudongjin -
Yudong Jin (@krahets) - -
-
-
- - -
-

Переводчики

-

Русская печатная версия была переведена И. А. Шевкун, а русская онлайн-версия была вычитана Yuyan Huang. Благодарим их за вклад!

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-
- Translator: shevkun -
И. А. Шевкун -
-
- - Translator: yuyanhuang -
Yuyan Huang - -
-
-
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-

Ревьюеры кода

-

Многоязычные версии кода в этой книге были подготовлены при участии следующих разработчиков. Благодарим их за время и вклад!

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-
- - Reviewer: coderonion -
coderonion -
Zig, Rust - -
-
- - Reviewer: curtishd -
curtishd -
Kotlin - -
-
- - Reviewer: Gonglja -
Gonglja -
C, C++ - -
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gvenusleo -
Dart - -
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hpstory -
C# - -
-
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justin-tse -
JS, TS - -
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khoaxuantu -
Ruby - -
-
- - Reviewer: krahets -
krahets -
Python, Java - -
-
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night-cruise -
Rust - -
-
- - Reviewer: nuomi1 -
nuomi1 -
Swift - -
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- - Reviewer: Reanon -
Reanon -
Go, C - -
-
- - Reviewer: rongyi -
rongyi -
Rust - -
-
-
- - -
-

Участники проекта

-

Книга постоянно совершенствуется благодаря совместным усилиям более чем 200 участников сообщества. Спасибо им за время и вклад!

- - Contributors - -
+
+ + +
+
+ + +
+
+
+ + + + +

+ Запуск в один клик +

+
+

+ Код на более чем десяти языках можно запускать и визуализировать прямо в книге. +

+

+ "Talk is cheap. Show me the code." +
+ «Меньше слов, больше кода» +

+
+
+
+
+
+
+ + + + +

+ Учимся вместе +

+
+

+ Добро пожаловать к обсуждениям и вопросам: продвигаться вместе проще. +

+

+ "Learning by teaching." +
+ «Обучая других, учишься сам» +

+
+
+ + +
+
+
+
+
+

+ Автор +

+
+
+ + Author: yudongjin +
+ + Yudong Jin (@krahets) + + +
+
+
+
+

+ Переводчики +

+

+ Русская печатная версия была переведена И. А. Шевкун, а русская онлайн-версия была вычитана Yuyan Huang. Благодарим их за вклад! +

+
+
+ Translator: shevkun +
+ + И. А. Шевкун + +
+
+ + Translator: yuyanhuang +
+ + Yuyan Huang + + +
+
+
+
+

+ Ревьюеры кода +

+

+ Многоязычные версии кода в этой книге были подготовлены при участии следующих разработчиков. Благодарим их за время и вклад! +

+
+
+ + Reviewer: coderonion +
+ + coderonion + +
+ + Zig, Rust + + +
+
+ + Reviewer: curtishd +
+ + curtishd + +
+ + Kotlin + + +
+
+ + Reviewer: Gonglja +
+ + Gonglja + +
+ + C, C++ + + +
+
+ + Reviewer: gvenusleo +
+ + gvenusleo + +
+ + Dart + + +
+
+ + Reviewer: hpstory +
+ + hpstory + +
+ + C# + + +
+
+ + Reviewer: justin-tse +
+ + justin-tse + +
+ + JS, TS + + +
+
+ + Reviewer: khoaxuantu +
+ + khoaxuantu + +
+ + Ruby + + +
+
+ + Reviewer: krahets +
+ + krahets + +
+ + Python, Java + + +
+
+ + Reviewer: night-cruise +
+ + night-cruise + +
+ + Rust + + +
+
+ + Reviewer: nuomi1 +
+ + nuomi1 + +
+ + Swift + + +
+
+ + Reviewer: Reanon +
+ + Reanon + +
+ + Go, C + + +
+
+ + Reviewer: rongyi +
+ + rongyi + +
+ + Rust + + +
+
+
+
+

+ Участники проекта +

+

+ Книга постоянно совершенствуется благодаря совместным усилиям более чем 200 участников сообщества. Спасибо им за время и вклад! +

+ + Contributors + +
+
+
+ + diff --git a/zh-hant/docs/index.html b/zh-hant/docs/index.html index aff460c4c..ccbf8510d 100644 --- a/zh-hant/docs/index.html +++ b/zh-hant/docs/index.html @@ -1,357 +1,550 @@ - -
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- - - - - 初識演算法 - - - - 複雜度 - - - - 陣列與鏈結串列 - - - - 堆疊與佇列 - - - - 雜湊表 - - - - 樹 - - - - 堆積 - - - - 圖 - - - - 搜尋 - - - - 排序 - - - - 分治 - - - - 回溯 - - - - 動態規劃 - - - - 貪婪 - -
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- 動畫圖解、一鍵執行的資料結構與演算法教程 -

- - - - - 開始閱讀 - - - - - - - GitHub - -
- -
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+ + + +
+
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+ + + + + + 初識演算法 + + + + + + 複雜度 + + + + + + 陣列與鏈結串列 + + + + + + 堆疊與佇列 + + + + + + 雜湊表 + + + + + + 樹 + + + + + + 堆積 + + + + + + 圖 + + + + + + 搜尋 + + + + + + 排序 + + + + + + 分治 + + + + + + 回溯 + + + + + + 動態規劃 + + + + + + 貪婪 + + +
+
+ +
+

+ 動畫圖解、一鍵執行的資料結構與演算法教程 +

+ + + + + + + + 開始閱讀 + + + + + + + + + GitHub + + +
+
+ + + + +
+
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- 下載 PDF/EPUB - - - -
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500 幅動畫圖解、14 種程式語言程式碼、3000 條社群問答，助你快速入門資料結構與演算法

-
+
+
+
+
+ +
+
+ Cover + +
+ + 了解紙質書 + + + + + +
+ +
+
+ +
+
+ + +
+
+
+ + 線上閱讀 + + + + + +
+ +
+
+ + + +
+ + 下載 PDF/EPUB + + + + + +
+ +
+
+

+ 500 幅動畫圖解、14 種程式語言程式碼、3000 條社群問答，助你快速入門資料結構與演算法 +

+
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推薦語

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“一本通俗易懂的資料結構與演算法入門書，引導讀者手腦並用地學習，強烈推薦演算法初學者閱讀。”

-

—— 鄧俊輝，清華大學計算機系教授

-
-
-

“如果我當年學資料結構與演算法的時候有《Hello 演算法》，學起來應該會簡單 10 倍！”

-

—— 李沐，亞馬遜資深首席科學家

-
-
-
+
+
+

+ 推薦語 +

+
+
+

+ “一本通俗易懂的資料結構與演算法入門書，引導讀者手腦並用地學習，強烈推薦演算法初學者閱讀。” +

+

+ —— 鄧俊輝，清華大學計算機系教授 +

+
+
+

+ “如果我當年學資料結構與演算法的時候有《Hello 演算法》，學起來應該會簡單 10 倍！” +

+

+ —— 李沐，亞馬遜資深首席科學家 +

+
+
+
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動畫圖解

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內容清晰易懂，學習曲線平滑

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"A picture is worth a thousand words."
“一圖勝千言”

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一鍵執行

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十餘種程式語言，程式碼視覺化執行

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"Talk is cheap. Show me the code."
“少吹牛，看程式碼”

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互助學習

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歡迎討論與提問，讀者間攜手共進

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"Learning by teaching."
“教學相長”

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+ 動畫圖解 +

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+ 內容清晰易懂，學習曲線平滑 +

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+ "A picture is worth a thousand words." +
+ “一圖勝千言” +

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作者

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- - Author: yudongjin -
靳宇棟（@krahets） - -
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譯者

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本書繁體中文版由以下譯者審閱，感謝他們的貢獻！

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- - Reviewer: Shyam-Chen -
Shyam-Chen - -
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- - Reviewer: Dr-XYZ -
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貢獻者

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本書在開源社群 200 多位貢獻者的共同努力下不斷完善，感謝他們付出的時間與精力！

- - Contributors - -
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+ 一鍵執行 +

+
+

+ 十餘種程式語言，程式碼視覺化執行 +

+

+ "Talk is cheap. Show me the code." +
+ “少吹牛，看程式碼” +

+
+
+
+
+
+
+ + + + +

+ 互助學習 +

+
+

+ 歡迎討論與提問，讀者間攜手共進 +

+

+ "Learning by teaching." +
+ “教學相長” +

+
+
+ + +
+
+
+
+
+

+ 作者 +

+
+
+ + Author: yudongjin +
+ + 靳宇棟（@krahets） + + +
+
+
+
+

+ 譯者 +

+

+ 本書繁體中文版由以下譯者審閱，感謝他們的貢獻！ +

+
+
+ + Reviewer: Shyam-Chen +
+ + Shyam-Chen + + +
+
+ + Reviewer: Dr-XYZ +
+ + Dr-XYZ + + +
+
+
+ +
+

+ 貢獻者 +

+

+ 本書在開源社群 200 多位貢獻者的共同努力下不斷完善，感謝他們付出的時間與精力！ +

+ + Contributors + +
+
+
+ +