Make the below category on CCNode:
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@interface CCNode (gndUtils) - (BOOL) touchInNode: (UITouch *) touch; // allows a node to test if a world point is in it. - (BOOL) worldPointInNode: (CGPoint) worldPoint; @ Implementation: @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 |
Incoming search terms:
- @interface CCNode (gndUtils)
Filed under: Cocos2d
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