--- a
+++ b/trunk/Plugin/post_rblur.c
@@ -0,0 +1,51 @@
+/*
+    Apophysis Plugin
+
+    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.
+*/
+
+typedef struct {
+    double post_rblur_strength;
+    double post_rblur_offset;
+    double post_rblur_center_x;
+    double post_rblur_center_y;
+
+    double s2;
+} Variables;
+
+#include "apoplugin.h"
+
+APO_PLUGIN("post_rblur");
+APO_VARIABLES(
+    VAR_REAL(post_rblur_strength, 1.0),
+    VAR_REAL(post_rblur_offset, 1.0),
+    VAR_REAL(post_rblur_center_x, 0.0),
+    VAR_REAL(post_rblur_center_y, 0.0)
+);
+
+int PluginVarPrepare(Variation* vp)
+{
+    VAR(s2) = 2.0 * VAR(post_rblur_strength);
+    return TRUE;
+}
+
+int PluginVarCalc(Variation* vp)
+{
+    double r = sqrt(sqr(FPx - VAR(post_rblur_center_x)) + sqr(FPy - VAR(post_rblur_center_y))) - VAR(post_rblur_offset);
+    r = r<0?0:r; r *= VAR(s2);
+    FPx = VVAR * (FPx + (random01() - 0.5) * r);
+    FPy = VVAR * (FPy + (random01() - 0.5) * r);
+    return TRUE;
+}