Вы можете сделать следующее:
-(void)onEnter
{
[super onEnter];
[[CCTouchDispatcher sharedDispatcher] removeDelegate: self];
[[CCTouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:0 swallowsTouches:YES];
self.isTouchEnabled = YES;
}
- (void) onExit {
[[CCTouchDispatcher sharedDispatcher] removeDelegate: self];
[super onExit];
}