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Using var from other function in 'update'


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Hi, it's my first time here and my first game. I don't know much about javascript also.

My problem is that I set a variable 'rockUp' to create sprite in my function addRocks and I want to use x of this sprite in 'update' to add points. Function addRocks is called by a looped timer set in 'create', so it can't detect x of that sprite correctly.

What do I have to do?

code: drive.google.com/file/d/0B2GJjU5fsrlgZEV3Y2F2dTJEelk/view

(sorry for my english)

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