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chore: make acceleration due to gravity a constexpr (#2982)

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* Added constexpr GRAVITY constant (9.80665) as per guidelines

* Merge branch 'master' into feature/add-gravity-constant

* Update physics/ground_to_ground_projectile_motion.cpp

Co-authored-by: realstealthninja <68815218+realstealthninja@users.noreply.github.com>

* Merge branch 'master' into feature/add-gravity-constant
This commit is contained in:
kaushal sawariya
2025-08-19 05:43:35 +05:30
committed by GitHub
parent c917fc4560
commit c39d84b50b
1 changed files with 7 additions and 2 deletions
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9
physics/ground_to_ground_projectile_motion.cpp
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@@ -18,6 +18,11 @@
* @namespace physics
* @brief Physics algorithms
*/
// Define gravity as a constant within guidelines
constexpr double GRAVITY = 9.80665; ///< Standard gravity (m/s^2)
namespace physics {
/**
* @namespace ground_to_ground_projectile_motion
@@ -44,7 +49,7 @@ double degrees_to_radians(double degrees){
* @returns The time that the projectile is in the air for
*/
template <typename T>
T time_of_flight(T initial_velocity, T angle, double gravity = 9.81) {
T time_of_flight(T initial_velocity, T angle, double gravity = GRAVITY) {
double Viy = initial_velocity * (std::sin(degrees_to_radians(angle))); // calculate y component of the initial velocity
return 2.0 * Viy / gravity;
}
@@ -69,7 +74,7 @@ T horizontal_range(T initial_velocity, T angle, T time) {
* @returns The max height that the projectile reaches
*/
template <typename T>
T max_height(T initial_velocity, T angle, double gravity = 9.81) {
T max_height(T initial_velocity, T angle, double gravity = GRAVITY) {
double Viy = initial_velocity * (std::sin(degrees_to_radians(angle))); // calculate y component of the initial velocity
return (std::pow(Viy, 2) / (2.0 * gravity));
}