73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* 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 2
|
|
* 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, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2009 Blender Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): André Pinto.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file blender/render/intern/raytrace/rayobject_hint.h
|
|
* \ingroup render
|
|
*/
|
|
|
|
|
|
#ifndef __RAYOBJECT_HINT_H__
|
|
#define __RAYOBJECT_HINT_H__
|
|
|
|
#define HINT_RECURSE 1
|
|
#define HINT_ACCEPT 0
|
|
#define HINT_DISCARD -1
|
|
|
|
struct HintBB {
|
|
float bb[6];
|
|
};
|
|
|
|
inline int hint_test_bb(HintBB *obj, float *Nmin, float *Nmax)
|
|
{
|
|
if (bb_fits_inside(Nmin, Nmax, obj->bb, obj->bb + 3) )
|
|
return HINT_RECURSE;
|
|
else
|
|
return HINT_ACCEPT;
|
|
}
|
|
#if 0
|
|
struct HintFrustum {
|
|
float co[3];
|
|
float no[4][3];
|
|
};
|
|
|
|
inline int hint_test_bb(HintFrustum &obj, float *Nmin, float *Nmax)
|
|
{
|
|
//if frustum inside BB
|
|
{
|
|
return HINT_RECURSE;
|
|
}
|
|
//if BB outside frustum
|
|
{
|
|
return HINT_DISCARD;
|
|
}
|
|
|
|
return HINT_ACCEPT;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __RAYOBJECT_HINT_H__ */
|