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You are writing a comment about Touch Detection in Cocos2d iPhone, here is a quick summary:

A quick look at three different approaches for implementing touch detection using the Cocos2d iPhone library. There are a number of snippets here, and I imagine it would be rather confusing to approach without a basic understanding of ObjC and Cocos2d iPhone.

You are responding to this comment written by Richard J Keys on July 10th 2009, 13:49.

@Eric Malamisura

From what I have read, you have to convert the point because cocos2d uses x & y in relation to the bottom left of the screen, whereas the standard location is from the upper left.

I'm having some problems with defining a rect for my sprite. The sprite is created using the spriteWithFile function, which displays fine. However, when running [sprite contentSize].x (or y actually) the returned value is zero.

Has anyone experienced this?

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