Math.hpp

Go to the documentation of this file.

#ifndef MATH_HPP
#define MATH_HPP

namespace radix {

class Vector3f;
class Quaternion;

class Math {
public:
  static constexpr float PI = 3.141592653589793238462643383279502884197169399375105820974944592307;
  static constexpr float DEG_TO_RAD = PI / 180;
  static constexpr float RAD_TO_DEG = 180 / PI;

  static Vector3f toDirection(const Quaternion &orientation);
  static Vector3f toEuler(const Vector3f &direction);

  template <typename T>
  static constexpr inline T clamp(T v, T low, T high) {
    if (v < low) {
      return low;
    } else if (v > high) {
      return high;
    }
    return v;
  }

  template <typename T>
  static constexpr inline T sign(T v) {
    if (v > 0) {
      return 1;
    }
    if (v < 0) {
      return -1;
    }
    return 0;
  }
};

constexpr inline float deg(float rad) {
  return rad * Math::RAD_TO_DEG;
}

constexpr inline float rad(float deg) {
  return deg * Math::DEG_TO_RAD;
}

} /* namespace radix */

#endif /* MATH_HPP */