public void initWithImageNamed(string imageName){
gameObject.name = imageName;
CCSpriteFrame frame = CCSpriteFrameCache.sharedSpriteFrameCache.spriteFrameByName (imageName);
if (frame == null) {
CCDebug.Info("cocos2d:CCSprite: Try to load '{0}' as a file.", imageName);
frame = new CCSpriteFrame (imageName);
}
initWithSpriteFrame (frame);
}