Cocos2D - userData property for sprite -

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I am developing an iPhone game app using Cocos 2D.

I find that this is an excellent solution to the perfection of the straight property for my situation:

sprite.userData = 123;

However, Phantom UserData can only store one piece data. If I need to collect three pieces of data, then what is the best way to do this?

'userData' is actually a zero pointer that does not hold the 'node' class: 

  zero * userData_;   
 As such it can point to any data structure or class (or C function).

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