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/*
* ShadowVolume.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_SHADOWVOLUME_H_
#define ZOOM_SHADOWVOLUME_H_
#include <vmmlib/vector.hpp>
#include <vmmlib/matrix.hpp>
namespace Zoom {
class Triangle;
class ShadowVolume {
public:
ShadowVolume(const Triangle &t, const vmml::vec3f &lightPos);
virtual ~ShadowVolume() {}
const vmml::vec3f& getVertex(int i) {
return rays[i].p;
}
const vmml::vec3f& getDirection(int i) {
return rays[i].dir;
}
void render() const;
private:
bool visible;
struct Ray {
vmml::vec3f p;
vmml::vec3f dir;
} rays[3];
};
}
#endif /* ZOOM_SHADOWVOLUME_H_ */
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