Ping pong , whit shaders(Effect:Ripple).

http://twolivesleft.com/Codea/Talk/discussion/3411/ping-pong-whit-shaders-effect-ripple#Item_1

hello , I show this code to see if you give me more ideas for the levels to become more interactive and creative

@Luismi, can you use a tool like pastebin.com to paste this code to then share the link, makes it easier to read and download, thanks.