disk polyominoes

src/painter.py

@@ -7,7 +7,7 @@ from kivy.core.window import Window
 from kivy.graphics import Color,Line
 
 from point import Point
-from polyomino import Cross
+from polyomino import Cross,Disk
 
 from tools import remove_fromlist
 
@@ -215,7 +215,8 @@ class Painter(Widget):
 
             # create new particle
             if touch.button=="right":
-                new=Cross(touchx,touchy)
+                #new=Cross(touchx,touchy)
+                new=Disk(touchx,touchy)
                 # snap to lattice
                 if self.lattice!=None:
                     new.move(self.lattice.nearest_delta(new.elements[0].pos))