Sprite:contains

Available since: Gideros 2011.6

Description

Determines whether the specified sprite is contained in the subtree of
this `Sprite` instance.

(bool), = Sprite:contains(child,)

'child: (Sprite) The child object to test. '
Returns (bool) `true` if the child object is contained in the subtree of this `Sprite` instance, otherwise `false`.