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Which callback to use for sphere-sphere contact ?

Posted: Wed Jul 25, 2012 7:45 pm
by gokoon
I'm still learning to use bullet, I've successfully used raycast using callback, but I have no idea which callback to use, I guess it is ClosestConvexResultCallback or ContactResultCallback but I don't understand the constructor parameters for the first and the latter is said to be used to report contact points which I don't need.

Or do I really need to use callbacks at all ?