2014/10/15 下午 10:05:30

iphone Programming Glossary: containspoint

Adding touch to UIImageView is not working

http://stackoverflow.com/questions/19051048/adding-touch-to-uiimageview-is-not-working

CGRectContainsPoint . Use touchesBegan Moved Ended and check if the imageView frame contains the point of touch using containsPoint . EDIT Add tap gesture to your overlapping view with target method something like this void targetMethod UITapGestureRecogniser..

How do I detect a touch on a UIBezierPath and move a ball along that?

http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that

move a ball along a specific UiBezierPath Is that possible I've tried everything including doing a hit test using BOOL containsPoint CGPoint point onPath UIBezierPath path inFillArea BOOL inFill How do I detect a touch along a path This is what I've tried.. aRef 50 50 aShape.lineWidth 5 aShape fill aShape stroke aShape closePath CGPoint x CGPointMake 30 40 if aShape containsPoint x NSLog @ in else NSLog @ out void touchesBegan NSSet touches withEvent UIEvent event UITouch touch touches anyObject CGPoint.. touch locationInView self p CGPointApplyAffineTransform p CGAffineTransformMakeTranslation 50 50 NOT WORKING if aShape containsPoint p NSLog @ in else NSLog @ out iphone objective c cocoa touch share improve this question Firstly ... it is an absolute..

Detect if CGPoint within polygon

http://stackoverflow.com/questions/8952476/detect-if-cgpoint-within-polygon