55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/**
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* Powder Toy - Newtonian gravity (header)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRAVITY_H
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#define GRAVITY_H
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#include "defines.h"
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extern int ngrav_enable; //Newtonian gravity
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extern int gravwl_timeout;
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extern int gravityMode;
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float *gravmap;//Maps to be used by the main thread
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float *gravp;
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float *gravy;
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float *gravx;
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unsigned *gravmask;
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float *th_ogravmap;// Maps to be processed by the gravity thread
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float *th_gravmap;
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float *th_gravx;
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float *th_gravy;
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float *th_gravp;
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void gravity_init();
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void gravity_cleanup();
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void gravity_update_async();
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void start_grav_async();
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void stop_grav_async();
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void update_grav();
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void gravity_mask();
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void bilinear_interpolation(float *src, float *dst, int sw, int sh, int rw, int rh);
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#ifdef GRAVFFT
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void grav_fft_init();
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void grav_fft_cleanup();
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#endif
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#endif
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