collision problem

hey folks ive got a small problem which i cant work out how to sort it when i have my zombies attack sometimes they overlap but when they do and a bullet hits them it normally kills all of them which messes up the counter i only want one to take the hit please help

filedropper.com/zombieshootemup_1

Thank you for any help

Objects aren't destroyed right away. With that in mind, there are several ways you could fix this. The first that came to my mind was doing this:

<img src="http://i.imm.io/1hFeh.png" border="0" />

Actually, a better solution for your problem would probably just turn off collisions instead of setting it invisible and checking invisible.

sorry you lost me what you mean by turn off collisions? how would the bullet hit the zombie and determine which zombie to hit?

sorry you lost me what you mean by turn off collisions? how would the bullet hit the zombie and determine which zombie to hit?

Once the bullet hits a zombie, turn off collisions for that bullet. In the example above I made the bullet invisible, and checked for visibility before the collision event would trigger. I think a better solution would be this:

<img src="http://i.imm.io/1geoS.png" border="0" />

ah i get it and this should stop more then 1 zombie being destroyed from same bullet?