54 lines
1.4 KiB
C
54 lines
1.4 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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#define _USE_MATH_DEFINES
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#define APO_NOVARIABLES
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#include "apoplugin.h"
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/* SET PLUGIN NAME HERE:
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e.g. name-me
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*/
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APO_PLUGIN("ex");
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/* DO PREPARE STUFF HERE:
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You must call the argument "vp"
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*/
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int PluginVarPrepare(Variation* vp)
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{
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return TRUE; // Always return TRUE.
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}
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/* DO CALC STUFF HERE:
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You must call the argument "vp"
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*/
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int PluginVarCalc(Variation* vp)
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{
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double FAngle = atan2(FTy, FTx);
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double r = sqrt(FTx*FTx+FTy*FTy);
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double n0 = sin(FAngle + r);
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double n1 = cos(FAngle - r);
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double m0 = sqr(n0) * n0;
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double m1 = sqr(n1) * n1;
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r = r * VVAR;
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FPx = FPx + r * (m0 + m1);
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FPy = FPy + r * (m0 - m1);
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return TRUE;
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}
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