Reorganized scripts, fixed 'memory' not working with subdirectories

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1765 416bcca6-2ee7-4201-b75f-2eb2f807beb1

share/grafx2/scripts/samples_2.3/brush/Fisheye.lua

@@ -0,0 +1,31 @@
+--BRUSH Distortion: FishEye
+--by Richard Fhager 
+--http://hem.fyristorg.com/dawnbringer/
+
+-- Copyright 2010 Richard Fhager
+--
+-- 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; version 2
+-- of the License. See <http://www.gnu.org/licenses/>
+
+-- This script was adopted from Evalion, a Javascript codecrafting/imageprocessing project
+--http://goto.glocalnet.net/richard_fhager/evalion/evalion.html 
+
+w, h = getbrushsize()
+
+
+for y = 0, h - 1, 1 do
+  for x = 0, w - 1, 1 do
+
+         ox = x / w;
+         oy = y / h;
+         v = (math.cos((ox-0.5)*math.pi)*math.cos((oy-0.5)*math.pi))*0.85;
+         ox = (1 + ox - (ox-0.5)*v) % 1; 
+         oy = (1 + oy - (oy-0.5)*v) % 1;
+     
+         c = getbrushbackuppixel(math.floor(ox*w),math.floor(oy*h));
+         putbrushpixel(x, y, c);
+  end
+end
+