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prism/engine/math/include/math.hpp
2020-08-11 12:07:21 -04:00

30 lines
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C++
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#pragma once
#include "matrix.hpp"
#include "transform.hpp"
#include "vector.hpp"
constexpr double PI = 3.141592653589793;
template<typename T>
constexpr inline T radians(const T degrees) {
return degrees / static_cast<T>(180) * static_cast<T>(PI);
}
template<typename T>
constexpr inline T degrees(const T radians) {
return radians / static_cast<T>(PI) * static_cast<T>(180);
}
template<typename T>
constexpr inline bool nearly_equal(const T a, const T b) {
return std::nextafter(a, std::numeric_limits<T>::lowest()) <= b
&& std::nextafter(a, std::numeric_limits<T>::max()) >= b;
}
Matrix4x4 matrix_from_quat(const Quaternion quat);
Quaternion quat_from_matrix(const Matrix3x3 matrix);
Quaternion euler_to_quat(const Vector3 angle);
Vector3 quat_to_euler(const Quaternion quat);
Matrix4x4 inverse(const Matrix4x4 m);
Quaternion angle_axis(const float angle, const Vector3 axis);