51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
|
/*
|
||
|
|
Apophysis Plugin
|
||
|
|
|
||
|
|
Copyright (C) 2007-2009 Joel Faber
|
||
|
|
Copyright (C) 2007-2009 Michael 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 post_polar2_vvar;
|
||
|
|
double post_polar2_vvar_2;
|
||
|
|
} Variables;
|
||
|
|
|
||
|
|
#define M_PI 3.14159265358979323846
|
||
|
|
|
||
|
|
#define APO_NOVARIABLES
|
||
|
|
#define APO_VIRTUALVAR
|
||
|
|
#include "apoplugin.h"
|
||
|
|
|
||
|
|
// Set the name of this plugin
|
||
|
|
APO_PLUGIN("post_polar2");
|
||
|
|
|
||
|
|
int PluginVarPrepare(Variation* vp)
|
||
|
|
{
|
||
|
|
VAR(post_polar2_vvar) = VVAR / M_PI;
|
||
|
|
VAR(post_polar2_vvar_2) = VAR(post_polar2_vvar) * 0.5;
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
int PluginVarCalc(Variation* vp)
|
||
|
|
{
|
||
|
|
FPy = VAR(post_polar2_vvar_2) * log(FPx*FPx + FPy*FPy);
|
||
|
|
FPx = VAR(post_polar2_vvar) * atan2(FPx, FPy);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|