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Rectangles are convex polygons which makes this very easy. To test whether a point lies within a convex polygon, check that it lies on the same "side" of all the edges of the polygon. Sketch this out to see how this is only possible if the point is inside. Here's the SO question for this: ...


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Instead of updating your velocity by initialising x and y subcomponents and calculating velocity as average of last position and current position, try using this format CGPoint velocity = CGPointMake(0, 1); // Move up CGPoint velocity = CGPointMake(0, -1); // Move down CGPoint velocity = CGPointMake(1, 0); // Move right CGPoint velocity = CGPointMake(-1, ...


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Use CCSprite instead of CCButton. Handle every CCSprite touch event in TouchDelegate method. Inherite class where you are using SneakyInput joystick by CCLayer with Touch Enable. Link : https://github.com/sneakyness/SneakyInput



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