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copied!<p>Try using the CCNode convertTouchToNodeSpaceAR: method to convert the point to the rotated coordinates and then you can do the compare of the sprite bounds.</p> <p>I made this a category on CCNode so it's available to any CCNode or subclass.</p> <pre><code>@interface CCNode (gndUtils) // Lets a node test to see if a touch is in it. // Takes into account the scaling/rotation/transforms of all // the parents in the parent chain. // Note that rotation of a rectangle doesn't produce a rectangle // (and we are using a simple rectangle test) // so this is testing the smallest rectangle that encloses the rotated node. // This does the converstion to view and then world coordinates // so if you are testing lots of nodes, do that converstion manually // // CGPoint touchLoc = [touch locationInView: [touch view]]; // convert to "View" // touchLoc = [[CCDirector sharedDirector] convertToGL: touchLoc]; // move to "World" // and then use worldPointInNode: method instead for efficiency. - (BOOL) touchInNode: (UITouch *) touch; // allows a node to test if a world point is in it. - (BOOL) worldPointInNode: (CGPoint) worldPoint; @end </code></pre> <p>and the implementation:</p> <pre><code>@implementation CCNode (gndUtils) - (BOOL) touchInNode: (UITouch *) touch { CGPoint touchLoc = [touch locationInView: [touch view]]; // convert to "View coordinates" from "window" presumably touchLoc = [[CCDirector sharedDirector] convertToGL: touchLoc]; // move to "cocos2d World coordinates" return [self worldPointInNode: touchLoc]; } - (BOOL) worldPointInNode: (CGPoint) worldPoint { // scale the bounding rect of the node to world coordinates so we can see if the worldPoint is in the node. CGRect bbox = CGRectMake( 0.0f, 0.0f, self.contentSize.width, self.contentSize.height ); // get bounding box in local bbox = CGRectApplyAffineTransform(bbox, [self nodeToWorldTransform] ); // convert box to world coordinates, scaling etc. return CGRectContainsPoint( bbox, worldPoint ); } @end </code></pre>

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