cocos2d::Node::setPosition overriding in cocos2d-x

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When overriding cocos2d::Node::setPosition , you have to override setPosition(float x, float y)  instead of setPosition(const cocos2d::Vec2& pos) . That’s because of the existence of setPosition3D()  which is used by cocos2d::MoveBy  action. Inside the action’s update()  function, cocos2d::Node::setPosition3D()  is used and it calls the cocos2d::Node::setPosition(float x, float y) . Thus if you only override setPosition(const Vec2& pos) , you may wander why the override does not work.