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Diffstat (limited to 'source/blender/blenkernel/BKE_collision.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_collision.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_collision.h b/source/blender/blenkernel/BKE_collision.h new file mode 100644 index 00000000000..c483148e4de --- /dev/null +++ b/source/blender/blenkernel/BKE_collision.h @@ -0,0 +1,150 @@ +/** + * BKE_cloth.h + * + * $Id: BKE_cloth.h,v 1.1 2007/08/01 02:07:27 daniel Exp $ + * + * ***** 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) Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Daniel Genrich + * + * ***** END GPL LICENSE BLOCK ***** + */ +#ifndef BKE_COLLISIONS_H +#define BKE_COLLISIONS_H + +#include <math.h> +#include <float.h> +#include <stdlib.h> +#include <string.h> + +/* types */ +#include "BLI_linklist.h" +#include "BKE_collision.h" +#include "BKE_customdata.h" +#include "BKE_DerivedMesh.h" +#include "DNA_cloth_types.h" +#include "DNA_customdata_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" + +#include "BLI_kdopbvh.h" + +struct Object; +struct Cloth; +struct MFace; +struct DerivedMesh; +struct ClothModifierData; + +//////////////////////////////////////// +// used for collisions in collision.c +//////////////////////////////////////// + +/* COLLISION FLAGS */ +typedef enum +{ + COLLISION_IN_FUTURE = ( 1 << 1 ), +} COLLISION_FLAGS; + + +//////////////////////////////////////// +// used for collisions in collision.c +//////////////////////////////////////// +/* used for collisions in collision.c */ +typedef struct CollPair +{ + unsigned int face1; // cloth face + unsigned int face2; // object face + double distance; // magnitude of vector + float normal[3]; + float vector[3]; // unnormalized collision vector: p2-p1 + float pa[3], pb[3]; // collision point p1 on face1, p2 on face2 + int flag; + float time; // collision time, from 0 up to 1 + int ap1, ap2, ap3, bp1, bp2, bp3; + int pointsb[4]; +} +CollPair; + +/* used for collisions in collision.c */ +typedef struct EdgeCollPair +{ + unsigned int p11, p12, p21, p22; + float normal[3]; + float vector[3]; + float time; + int lastsign; + float pa[3], pb[3]; // collision point p1 on face1, p2 on face2 +} +EdgeCollPair; + +/* used for collisions in collision.c */ +typedef struct FaceCollPair +{ + unsigned int p11, p12, p13, p21; + float normal[3]; + float vector[3]; + float time; + int lastsign; + float pa[3], pb[3]; // collision point p1 on face1, p2 on face2 +} +FaceCollPair; +//////////////////////////////////////// + + + +///////////////////////////////////////////////// +// forward declarations +///////////////////////////////////////////////// + +///////////////////////////////////////////////// +// used in modifier.c from collision.c +///////////////////////////////////////////////// + +BVHTree *bvhtree_build_from_mvert ( MFace *mfaces, unsigned int numfaces, MVert *x, unsigned int numverts, float epsilon ); +void bvhtree_update_from_mvert ( BVHTree * bvhtree, MFace *faces, int numfaces, MVert *x, MVert *xnew, int numverts, int moving ); + +///////////////////////////////////////////////// + +LinkNode *BLI_linklist_append_fast ( LinkNode **listp, void *ptr ); + +// move Collision modifier object inter-frame with step = [0,1] +// defined in collisions.c +void collision_move_object ( CollisionModifierData *collmd, float step, float prevstep ); + +// interface for collision functions +void collisions_compute_barycentric ( float pv[3], float p1[3], float p2[3], float p3[3], float *w1, float *w2, float *w3 ); +void interpolateOnTriangle ( float to[3], float v1[3], float v2[3], float v3[3], double w1, double w2, double w3 ); + +///////////////////////////////////////////////// +// used in effect.c +///////////////////////////////////////////////// +CollisionModifierData **get_collisionobjects(Object *self, int *numcollobj); + +///////////////////////////////////////////////// + + + +///////////////////////////////////////////////// + +#endif + |