109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
|
/*
|
||
|
|
Apophysis Plugin
|
||
|
|
|
||
|
|
Copyright (C) 2007-2008 Michael Faber
|
||
|
|
Copyright (C) 2007-2008 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
|
||
|
|
#define _USE_MATH_DEFINES
|
||
|
|
#define APO_NOVARIABLES
|
||
|
|
#include "apoplugin.h"
|
||
|
|
|
||
|
|
// Set the name of this plugin
|
||
|
|
APO_PLUGIN("gridout");
|
||
|
|
|
||
|
|
inline double rint(double x)
|
||
|
|
{
|
||
|
|
int temp; temp = (x >= 0. ? (int)(x + 0.5) : (int)(x - 0.5));
|
||
|
|
return (double)temp;
|
||
|
|
}
|
||
|
|
|
||
|
|
// You must call the argument "vp".
|
||
|
|
int PluginVarPrepare(Variation* vp)
|
||
|
|
{
|
||
|
|
return TRUE; // Always return TRUE.
|
||
|
|
}
|
||
|
|
|
||
|
|
// You must call the argument "vp".
|
||
|
|
int PluginVarCalc(Variation* vp)
|
||
|
|
{
|
||
|
|
double x = rint(FTx);
|
||
|
|
double y = rint(FTy);
|
||
|
|
|
||
|
|
if (y <= 0.0)
|
||
|
|
{
|
||
|
|
if (x > 0.0)
|
||
|
|
{
|
||
|
|
if (-y >= x)
|
||
|
|
{
|
||
|
|
FPx += VVAR * (FTx + 1.0);
|
||
|
|
FPy += VVAR * FTy;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FPx += VVAR * FTx;
|
||
|
|
FPy += VVAR * (FTy + 1.0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (y <= x)
|
||
|
|
{
|
||
|
|
FPx += VVAR * (FTx + 1.0);
|
||
|
|
FPy += VVAR * FTy;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FPx += VVAR * FTx;
|
||
|
|
FPy += VVAR * (FTy - 1.0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (x > 0.0)
|
||
|
|
{
|
||
|
|
if (y >= x)
|
||
|
|
{
|
||
|
|
FPx += VVAR * (FTx - 1.0);
|
||
|
|
FPy += VVAR * FTy;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FPx += VVAR * FTx;
|
||
|
|
FPy += VVAR * (FTy + 1.0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (y > -x)
|
||
|
|
{
|
||
|
|
FPx += VVAR * (FTx - 1.0);
|
||
|
|
FPy += VVAR * FTy;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FPx += VVAR * FTx;
|
||
|
|
FPy += VVAR * (FTy - 1.0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|