81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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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#ifndef __BKE_SOFTBODY_H__
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#define __BKE_SOFTBODY_H__
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/** \file
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* \ingroup bke
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Depsgraph;
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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;
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int *springs;
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float choke, choke2, frozen;
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float colball;
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short loc_flag; // reserved by locale module specific states
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// char octantflag;
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float mass;
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float springweight;
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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 Object *ob);
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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 Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *ob,
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float framnr,
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float (*vertexCos)[3],
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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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extern void SB_estimate_transform(Object *ob, float lloc[3], float lrot[3][3], float lscale[3][3]);
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#ifdef __cplusplus
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}
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#endif
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#endif
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