updated coordinate system documentation

git-svn-id: svn://anubis/anaglym/trunk@276 99a6e188-d820-4881-8870-2d33a10e2619

tests/managed_objects.lua

@@ -80,4 +80,9 @@ function update_overlay_event(width, height)
     end
     ag.fillArc(1, 1, 0, 50, 50, 30, 30, 330)
     ag.fillCircle(1, 0, 1, width - 50, height - 50, 40)
+    ag.drawRect(1, 0.5, 0, width, height, width/2, height/2)
+    ag.drawPoint(1, 0, 1, 0, 0, 0)
+    ag.drawPoint(1, 0, 1, 0, width-1, height-1)
+    ag.drawPoint(1, 0, 1, 1, -1, -1)
+    ag.drawPoint(1, 0, 1, 1, width, height)
 end