apophysis7x/Plugin/split.c

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/*
Apophysis Plugin
Copyright (C) 2007-2009 Joel Faber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// Must define this structure before we include apoplugin.h
typedef struct
{
double split_xsize;
double split_ysize;
// precacluated values
double xang;
double yang;
} Variables;
#define _USE_MATH_DEFINES
#include "apoplugin.h"
// Set the name of this plugin
APO_PLUGIN("split");
// Define the Variables
APO_VARIABLES(
VAR_REAL(split_xsize, 0.5),
VAR_REAL(split_ysize, 0.5)
);
// You must call the argument "vp".
int PluginVarPrepare(Variation* vp)
{
VAR(xang) = M_PI * VAR(split_xsize);
VAR(yang) = M_PI * VAR(split_ysize);
return TRUE; // Always return TRUE.
}
// You must call the argument "vp".
int PluginVarCalc(Variation* vp)
{
if (cos(FTx * VAR(xang)) >= 0)
FPy += VVAR * FTy;
else
FPy -= VVAR * FTy;
if (cos(FTy * VAR(yang)) >= 0)
FPx += VVAR * FTx;
else
FPx -= VVAR * FTx;
return TRUE;
}