Bouncy Bouncy

Are there any decent tutorials out there on bouncing balls???
I want to know the best way of decreasing and increasing balls bouncing off other actors... ??? Any ideas people...???
http://cantcodewontcode.tumblr.com/
I want to know the best way of decreasing and increasing balls bouncing off other actors... ??? Any ideas people...???
http://cantcodewontcode.tumblr.com/
Comments
And if you wanted to change that half way through the game you would use -
Change attribute - self.physics.restitution to ....