67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
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/*
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Apophysis Plugin
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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 2 of the License, or
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(at your option) any later version.
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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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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
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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typedef struct
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{
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double sinusgrid_ampx;
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double sinusgrid_ampy;
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double sinusgrid_freqx;
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double sinusgrid_freqy;
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double fx, fy, ax, ay;
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} Variables;
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#include "apoplugin.h"
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APO_PLUGIN("sinusgrid");
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APO_VARIABLES(
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//VAR_REAL_CYCLE(sinusgrid_ampx, 0.0, 1.0, 0.5),
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//VAR_REAL_CYCLE(sinusgrid_ampy, 0.0, 1.0, 0.5),
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VAR_REAL(sinusgrid_ampx, 0.5),
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VAR_REAL(sinusgrid_ampy, 0.5),
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VAR_REAL(sinusgrid_freqx, 1.0),
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VAR_REAL(sinusgrid_freqy, 1.0)
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);
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int PluginVarPrepare(Variation* vp)
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{
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VAR(ax) = VAR(sinusgrid_ampx);
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VAR(ay) = VAR(sinusgrid_ampy);
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VAR(fx) = VAR(sinusgrid_freqx) * M_2PI;
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VAR(fy) = VAR(sinusgrid_freqy) * M_2PI;
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if (VAR(fx) == 0.0) VAR(fx) = EPS;
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if (VAR(fy) == 0.0) VAR(fy) = EPS;
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return TRUE;
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}
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inline double lerp(double a, double b, double p) { return a + p * (b-a); }
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int PluginVarCalc(Variation* vp)
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{
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double x = FTx, y = FTy;
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double sx = -1.0 * cos(x * VAR(fx));
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double sy = -1.0 * cos(y * VAR(fy));
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double tx = lerp(FTx, sx, VAR(ax)), ty = lerp(FTy, sy, VAR(ay)), tz = FTz;
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FPx += VVAR * tx;
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FPy += VVAR * ty;
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FPz += VVAR * tz;
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return TRUE;
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}
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