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Are collision checks performed between all actors with collisions enabled? What I mean is are collision checks performed between two actors (with collision state enabled) even if neither actor has a collision event setup with the other?

I need to perform a collision test between 1 actor and about 27 other actors. I don't want all 27 other actors checking collision between each other.

If you use the option 'Any Actor' in the collision event, all actors with collision enable will be tested.
But if you will test with a specifically actor only (by using the clone name) this actor will be tested.
If you put the name of an actor, only the clones will be tested, excluding all other actors.

fauldran wrote:Are collision checks performed between all actors with collisions enabled? What I mean is are collision checks performed between two actors (with collision state enabled) even if neither actor has a collision event setup with the other?

I need to perform a collision test between 1 actor and about 27 other actors. I don't want all 27 other actors checking collision between each other.

ok thanks. That makes sense. Collision tests are just a fairly intensive operation I guess. 25+ tests per frame bring my PPC to a crawl and it has around a 600MHz processor. That's ok, I can deal with this. Thanks.