bringToTop() → {PIXI.DisplayObject} Brings this Game Object to the top of its parents display list
moveDown() → {PIXI.DisplayObject} Moves this Game Object down one place in its parents display list
moveUp() → {PIXI.DisplayObject} Moves this Game Object up one place in its parents display list
sendToBack() → {PIXI.DisplayObject} Sends this Game Object to the bottom of its parents display