math.h

#ifndef MATH_H
#define MATH_H

#include <memory>
#include "base.h"


class Math {
public:
    enum { UP, DOWN, LEFT, RIGHT };
    static float Distance(const Vector2f &a, const Vector2f &b);
    static float Clamp(const float x, const float min, const float max);
    static float Magnitude(const Vector2f &v);
    static Vector2f Normalize(const Vector2f &v);
    static Vector2f Lerp(const Vector2f &start, const Vector2f &end, float percent);
    static Vector2f ForwardVector(float degrees);
    static int RectNearRect(const Rectf &a, const Rectf &b, int tolerance = 0);
    static bool CheckCollision(const Rectf &a, const Rectf &b);
    static bool CheckCollision(const Vector2f &p, const Rectf &r);
    static Vector2f ToSceneSpace(const std::weak_ptr<Camera> cam, const Vector2f &v);
    static Rectf ToSceneSpace(const std::weak_ptr<Camera> cam, const Rectf &r);
    static Vector2f FromSceneSpace(const std::weak_ptr<Camera> cam, const Vector2f &v);
    static Rectf FromSceneSpace(const std::weak_ptr<Camera> cam, const Rectf &r);
};

#endif