/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include "tetraedge/te/te_frustum.h"

namespace Tetraedge {

TeFrustum::TeFrustum() {
}

void TeFrustum::update(TeCamera &cam) {
	const TeMatrix4x4 camProjMatrix = cam.projectionMatrix();
	TeMatrix4x4 camWorldMatrix = cam.worldTransformationMatrix();
	camWorldMatrix.inverse();
	const TeMatrix4x4 camProjWorld = camProjMatrix * camWorldMatrix;
	setup(camProjWorld.toScummVMMatrix());
}


} // end namespace Tetraedge