74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/**
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* BKE_softbody.h
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*
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* $Id: BKE_softbody.h
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef BKE_SOFTBODY_H
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#define BKE_SOFTBODY_H
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struct Object;
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struct Scene;
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struct SoftBody;
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typedef struct BodyPoint {
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float origS[3], origE[3], origT[3], pos[3], vec[3], force[3];
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float goal;
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float prevpos[3], prevvec[3], prevdx[3], prevdv[3]; /* used for Heun integration */
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float impdv[3],impdx[3];
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int nofsprings; int *springs;
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float choke,choke2,frozen;
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float colball;
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short flag;
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char octantflag;
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} BodyPoint;
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/* allocates and initializes general main data */
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extern struct SoftBody *sbNew(struct Scene *scene);
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/* frees internal data and softbody itself */
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extern void sbFree(struct SoftBody *sb);
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/* frees simulation data to reset simulation */
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extern void sbFreeSimulation(struct SoftBody *sb);
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/* do one simul step, reading and writing vertex locs from given array */
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extern void sbObjectStep(struct Scene *scene, struct Object *ob, float framnr, float (*vertexCos)[3], int numVerts);
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/* makes totally fresh start situation, resets time */
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extern void sbObjectToSoftbody(struct Object *ob);
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/* links the softbody module to a 'test for Interrupt' function */
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/* pass NULL to unlink again */
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extern void sbSetInterruptCallBack(int (*f)(void));
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/* writing to cache for bake editing */
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extern void sbWriteCache(struct Object *ob, int framenr);
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#endif
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