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Added constexpr GRAVITY constant (9.80665) as per guidelines #2982

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Merged
merged 4 commits into from
Aug 19, 2025
Merged

Added constexpr GRAVITY constant (9.80665) as per guidelines #2982

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4ade826
Added constexpr GRAVITY constant (9.80665) as per guidelines
Aug 17, 2025
d28937c
Merge branch 'master' into feature/add-gravity-constant
realstealthninja Aug 17, 2025
2502f61
Update physics/ground_to_ground_projectile_motion.cpp
kaushalsawariya Aug 18, 2025
73bb25b
Merge branch 'master' into feature/add-gravity-constant
realstealthninja Aug 18, 2025
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9 changes: 7 additions & 2 deletions physics/ground_to_ground_projectile_motion.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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;
}
Expand All @@ -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));
}
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