protot/3rdparty/libccd/src/support.c

35 lines
928 B
C

/***
* libccd
* ---------------------------------
* Copyright (c)2010 Daniel Fiser <danfis@danfis.cz>
*
*
* This file is part of libccd.
*
* Distributed under the OSI-approved BSD License (the "License");
* see accompanying file BDS-LICENSE for details or see
* <http://www.opensource.org/licenses/bsd-license.php>.
*
* This software is distributed WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the License for more information.
*/
#include "support.h"
void __ccdSupport(const void *obj1, const void *obj2,
const ccd_vec3_t *_dir, const ccd_t *ccd,
ccd_support_t *supp)
{
ccd_vec3_t dir;
ccdVec3Copy(&dir, _dir);
ccd->support1(obj1, &dir, &supp->v1);
ccdVec3Scale(&dir, -CCD_ONE);
ccd->support2(obj2, &dir, &supp->v2);
ccdVec3Sub2(&supp->v, &supp->v1, &supp->v2);
}