tfRigid.h

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/*******************************************************************************
 * This file is part of mdcore.
 * Coypright (c) 2010 Pedro Gonnet (pedro.gonnet@durham.ac.uk)
 * Coypright (c) 2017 Andy Somogyi (somogyie at indiana dot edu)
 * Copyright (c) 2022-2024 T.J. Sego
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 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 Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 ******************************************************************************/
 
#ifndef _MDCORE_INCLUDE_TFRIGID_H_
#define _MDCORE_INCLUDE_TFRIGID_H_
#include "tf_platform.h"
 
MDCORE_BEGIN_DECLS
 
 
/* Some constants. */
#define rigid_maxparts                  10
#define rigid_maxconstr                 (3*rigid_maxparts)
#define rigid_maxiter                   100
#define rigid_pshake_refine             4
#define rigid_pshake_maxalpha           0.1f
 
 
namespace TissueForge { 
 
 
    typedef struct rigid {
 
        int nr_parts;
 
        int parts[ rigid_maxparts ];
 
        int nr_constr;
 
        struct {
            int i, j;
            FPTYPE d2;
        } constr[ rigid_maxconstr ];
 
        FPTYPE a[ rigid_maxconstr*rigid_maxconstr ];
 
    } rigid;
 
 
    /* associated functions */
 
    HRESULT rigid_eval_shake(struct rigid *r, int N, struct engine *e);
 
    HRESULT rigid_eval_pshake(struct rigid *r, int N, struct engine *e, int a_update);
 
};
 
MDCORE_END_DECLS
#endif // _MDCORE_INCLUDE_TFRIGID_H_