getBounds(matrix) → {Rectangle}
Returns the bounds of the Sprite as a rectangle.The bounds calculation takes the worldTransform into account. It is important to note that the transform is not updated when you call this method.So if this Sprite is the child of a Display Object which has had its transformupdated since the last render pass, those changes will not yet have been appliedto this Sprites worldTransform. If you need to ensure that all parent transformsare factored into this getBounds
