For fixing “child already added. It can’t be added again” issue, you need to check if you’ve already added it.
See the example below,

int pauseMenuTag = 99;
if(![self getChildByTag:pauseMenuTag]) {
[self addChild:pauseMenu z:0 tag:pauseMenuTag];
}

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Filed under: Cocos2d • iPhone • Objective C

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