I've found a ton of useful tips here already over the last years, it was about time to register here finally!
But for the following problem I don't find a solution anywhere: I need to create particles which do not overlap each other but somehow react if colliding with each other, e.g. bounce off. I know the wall / floor bounce thing, but this is not what I want!
I'm using Trapcode Particular 2.1 and AE CS5. Is there either a way to do this with Particular (which is the preferred way) or - if not - is there another particle system plugin which is capable of collision events?
Thank you too for your reply, unfortunately it didn't work either with our project. We finally did it manually - with up to 500 illustrator layers per composition! O_o
But it's a pity that particular does not provide this feature! You need this quite often that particles should not overlap! And for every particle system in 3D-apps that I know this is a pretty standard feature...