Check if it overlaps with the specified coordinate (collision detection)
hitTestObject/hitTestPoint
hitTestObject method is used to test the overlap between a DisplayObject and a DisplayObject. hitTestPoint method is used to test the overlap between a DisplayObject and a specified xy coordinate. For the third argument of the hitTestPoint method, set the test condition to "true" if the test is to be performed on an area with a line or fill, or "false" (default) if the test is to be performed on a bounding box.
