70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/*
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Apophysis Plugin
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Copyright (C) 2007-2009 Joel Faber
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Copyright (C) 2007-2009 Michael Faber
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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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// Must define this structure before we include apoplugin.h
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typedef struct
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{
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double stripes_space;
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double stripes_warp;
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} Variables;
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#define _USE_MATH_DEFINES
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#include "apoplugin.h"
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// Set the name of this plugin
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APO_PLUGIN("stripes");
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// Define the Variables
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APO_VARIABLES(
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VAR_REAL_RANGE(stripes_space, 0.0, 1.0, 0.5),
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VAR_REAL(stripes_warp, 0.0)
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);
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// You must call the argument "vp".
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int PluginVarPrepare(Variation* vp)
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{
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// Always return TRUE.
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return TRUE;
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}
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inline double rint(double x)
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{
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int temp; temp = (x >= 0. ? (int)(x + 0.5) : (int)(x - 0.5));
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return (double)temp;
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}
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// You must call the argument "vp".
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int PluginVarCalc(Variation* vp)
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{
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double roundx;
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double offsetx;
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roundx = (double)rint(FTx);
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offsetx = FTx - roundx;
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FPx += VVAR * ( offsetx * (1.0 - VAR(stripes_space)) + roundx);
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FPy += VVAR * (FTy + offsetx * offsetx * VAR(stripes_warp));
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return TRUE;
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}
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