triboxoverlap.h

Go to the documentation of this file.

/*
    toxic - A Global Illumination Renderer
    Copyright (C) 2003-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of toxic.

    toxic 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 2 of the License, or
    (at your option) any later version.

    toxic 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 toxic; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/********************************************************/
/* AABB-triangle overlap test code                      */
/* by Tomas Akenine-Möller                              */
/* Function: int triBoxOverlap(float boxcenter[3],      */
/*          float boxhalfsize[3],float triverts[3][3]); */
/* History:                                             */
/*   2001-03-05: released the code in its first version */
/*   2001-06-18: changed the order of the tests, faster */
/*                                                      */
/* Acknowledgement: Many thanks to Pierre Terdiman for  */
/* suggestions and discussions on how to optimize code. */
/* Thanks to David Hunt for finding a ">="-bug!         */
/********************************************************/

#ifndef TOXIC_RENDERER_TRIBOXOVERLAP_H
#define TOXIC_RENDERER_TRIBOXOVERLAP_H

#include "common/math/point3.h"
#include "common/math/vector3.h"
#include "globals.h"

namespace toxic {

    bool tri_box_overlap(
        const sheep::Point3 &boxcenter,
        const sheep::Vector3 &boxhalfsize,
        const sheep::Point3 &vert0,
        const sheep::Point3 &vert1,
        const sheep::Point3 &vert2);

}

#endif  // !TOXIC_RENDERER_TRIBOXOVERLAP_H

---