update() Override this method in your own custom objects to handle any update requirements.It is called immediately after preUpdate

pendingDestroy : boolean A Game Object is that is pendingDestroy is flagged to have its destroy method called on the next logic

removeChildren(beginIndex, endIndex) Removes all children from this container that are within the begin and end indexes.

refreshTexture : boolean If true the TilingSprite will run generateTexture on its next render pass.This