bullet.c

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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) Blender Foundation
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "MEM_guardedalloc.h"

/* types */
#include "DNA_object_force.h"   /* here is the softbody struct */

#include "BKE_bullet.h"


/* ************ Object level, exported functions *************** */

/* allocates and initializes general main data */
BulletSoftBody *bsbNew(void)
{
    BulletSoftBody *bsb;
    
    bsb= MEM_callocN(sizeof(BulletSoftBody), "bulletsoftbody");
        
    bsb->flag = OB_BSB_BENDING_CONSTRAINTS | OB_BSB_SHAPE_MATCHING | OB_BSB_AERO_VPOINT;
    bsb->linStiff = 0.5f;
    bsb->angStiff = 1.0f;
    bsb->volume = 1.0f;

    
    bsb->viterations    =   0;
    bsb->piterations    =   2;  
    bsb->diterations    =   0;
    bsb->citerations    =   4;
    
    bsb->kSRHR_CL       =   0.1f;
    bsb->kSKHR_CL       =   1.f;
    bsb->kSSHR_CL       =   0.5f;
    bsb->kSR_SPLT_CL    =   0.5f;
    
    bsb->kSK_SPLT_CL    =   0.5f;
    bsb->kSS_SPLT_CL    =   0.5f;
    bsb->kVCF           =   1;
    bsb->kDP            =   0;

    bsb->kDG            =   0;
    bsb->kLF            =   0;
    bsb->kPR            =   0;
    bsb->kVC            =   0;

    bsb->kDF            =   0.2f;
    bsb->kMT            =   0.05;
    bsb->kCHR           =   1.0f;
    bsb->kKHR           =   0.1f;

    bsb->kSHR           =   1.0f;
    bsb->kAHR           =   0.7f;
    
    bsb->collisionflags = 0;
    //bsb->collisionflags = OB_BSB_COL_CL_RS + OB_BSB_COL_CL_SS;
    bsb->numclusteriterations = 64;
    bsb->welding = 0.f;

    return bsb;
}

/* frees all */
void bsbFree(BulletSoftBody *bsb)
{
    /* no internal data yet */
    MEM_freeN(bsb);
}