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/**
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2006 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Daniel Genrich, Andre Pinto
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BLI_KDOPBVH_H
#define BLI_KDOPBVH_H
#include <float.h>
struct BVHTree;
typedef struct BVHTree BVHTree;
typedef struct BVHTreeOverlap {
int indexA;
int indexB;
} BVHTreeOverlap;
BVHTree *BLI_bvhtree_new(int maxsize, float epsilon, char tree_type, char axis);
void BLI_bvhtree_free(BVHTree *tree);
/* construct: first insert points, then call balance */
int BLI_bvhtree_insert(BVHTree *tree, int index, float *co, int numpoints);
void BLI_bvhtree_balance(BVHTree *tree);
/* update: first update points/nodes, then call update_tree to refit the bounding volumes */
int BLI_bvhtree_update_node(BVHTree *tree, int index, float *co, float *co_moving, int numpoints);
void BLI_bvhtree_update_tree(BVHTree *tree);
/* collision/overlap: check two trees if they overlap, alloc's *overlap with length of the int return value */
BVHTreeOverlap *BLI_bvhtree_overlap(BVHTree *tree1, BVHTree *tree2, int *result);
float BLI_bvhtree_getepsilon(BVHTree *tree);
#endif // BLI_KDOPBVH_H
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