/*
 * Collision.h
 *
 * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef ZOOM_COLLISION_H_
#define ZOOM_COLLISION_H_

#include "MathUtil.h"

namespace Zoom {

class Collision {
  public:
    static bool test(const Triangle &t, const MathUtil::Ray &ray, float *distance = 0);
    static bool test(const Triangle &t, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance = 0, vmml::vec3f *normal = 0);

  private:
    Collision();

    static vmml::vec3f projectToEdge(const vmml::vec3f& p, const vmml::vec3f& v1, const vmml::vec3f& v2);

    static bool testEdge(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance);
    static bool testVertex(const vmml::vec3f &v, const vmml::vec3f &m, float r, const vmml::vec3f &move, float *distance);
};

}

#endif /* COLLISION_H_ */