[quote:30229271]C2 is already a giant While loop, So you don't need while at all. get rid of it and add an Else to the event for the NOT case.
What if this check is inside a triggered event? Then it isn't a part of the big C2 while loop.
Example: When a triggered event happens such as a ship is destroyed by a laser, you want to spawn a new ship in a random spot, but you don't want it to overlap another existing ship. So you just do a while-loop to keep creating the ship until it's not in a spot that's overlapping.