getChildByTagRecursive for CCNode (from http://stackoverflow.com/questions/13309180/ccnode-recursive-getchildbytag)

gistfile1.m

@interface CCNode (getChildByTagRecursive)

-(CCNode*) getChildByTagRecursive:(int) tag;

@end

gistfile2.m

@implementation CCNode (getChildByTagRecursive)

-(CCNode*) getChildByTagRecursive:(int) tag {
    CCNode* result = [self getChildByTag:tag];

    if(result == nil) {
        for(CCNode* child in [self children]) {
            result = [child getChildByTagRecursive:tag];
            if(result != nil) {
                break;
            }
        }
    }

    return result;
}

@end