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Diffstat (limited to 'source/blender/editors/mesh/editbmesh_bvh.h')
-rw-r--r-- | source/blender/editors/mesh/editbmesh_bvh.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/editors/mesh/editbmesh_bvh.h b/source/blender/editors/mesh/editbmesh_bvh.h new file mode 100644 index 00000000000..67bcdef2e7a --- /dev/null +++ b/source/blender/editors/mesh/editbmesh_bvh.h @@ -0,0 +1,69 @@ +/* + * ***** 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) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/mesh/editbmesh_bvh.h + * \ingroup edmesh + */ + +#ifndef _EDITBMESH_BVH +#define _EDITBMESH_BVH + +struct BMEditMesh; +struct BMFace; +struct BMEdge; +struct BMVert; +struct RegionView3D; +struct BMBVHTree; +struct BVHTree; +struct Scene; +struct Object; + +#ifndef IN_EDITMESHBVH +typedef struct BMBVHTree BMBVHTree; +#endif + +struct BMBVHTree *BMBVH_NewBVH(struct BMEditMesh *em, int flag, struct Scene *scene, struct Object *obedit); +void BMBVH_FreeBVH(struct BMBVHTree *tree); +struct BVHTree *BMBVH_BVHTree(struct BMBVHTree *tree); + +struct BMFace *BMBVH_RayCast(struct BMBVHTree *tree, float *co, float *dir, float *hitout, float *cagehit); + +int BMBVH_EdgeVisible(struct BMBVHTree *tree, struct BMEdge *e, + struct ARegion *ar, struct View3D *v3d, struct Object *obedit); + +#define BM_SEARCH_MAXDIST 0.4f + +/*find a vert closest to co in a sphere of radius maxdist*/ +struct BMVert *BMBVH_FindClosestVert(struct BMBVHTree *tree, float *co, float maxdist); +struct BMVert *BMBVH_FindClosestVertTopo(struct BMBVHTree *tree, float *co, + float maxdist, struct BMVert *sourcev); + +/*BMBVH_NewBVH flag parameter*/ +#define BMBVH_USE_CAGE 1 /*project geometry onto modifier cage */ +#define BMBVH_RETURN_ORIG 2 /*use with BMBVH_USE_CAGE, returns hits in relation to original geometry*/ + +#endif /* _EDITBMESH_H */ |