#ifndef COLLISION_H
#define COLLISION_H

#include "geom.hpp"

extern const float COLLISION_FLT_EPSILON;

struct Collision {
	float          time;
	Vector         normal;
	void*          surface;
	unsigned short index;

	Collision() : time(1), surface(0), index(~0) {}

	bool update(const Line& line, float time, const Vector& normal);

	bool sphereCollide(const Line& src_line, float src_radius, const Vector& dest, float dest_radius);
	bool sphereCollide(const Line& line, float radius, const Vector& dest, const Vector& radii);

	bool triangleCollide(const Line& src_line, float src_radius, const Vector& v0, const Vector& v1, const Vector& v2);

	bool boxCollide(const Line& src_line, float src_radius, const Box& box);
};

#endif