What's the rule for when orbs merge and when they annihilate? It seems random, annihilating most of the time. and sometimes the orbs will both increase in size (or two sizes!) then annihilate.
it is indeed random, there's a 50/50 chance the orbs will go poof, otherwise they merge, its because I had a problem getting two of the same objects to collide properly(I'm still very new to gamedev), and just ran out of time to solve
