checkVisibility() Starts a page visibility event listener running, or window.onpagehide/onpageshow if not supported by the browser.

preUpdate() This is called automatically after the plugins preUpdate and before the State.update.Most objects have preUpdate methods

hash :array The hash array is an array belonging to this Group into which you can add any of its children via Group.addToHash and

setBackgroundColor(color) Sets the background color for the Stage. The color can be given as a hex string ('#RRGGBB')

smoothed : boolean Enable or disable texture smoothing for all objects on this Stage. Only works for bitmap/image textures. Smoothing

[readonly] pendingStep : boolean An internal property used by enableStep, but also useful

shake(intensity, duration, force, direction,

divideAll(property, amount, checkAlive, checkVisible) Divides the given property by the amount on all children in this group. Group

fragmentSrc :array | string The fragment shader code. Type array |

forceSingleUpdate : boolean Should the game loop force a logic update, regardless of the delta timer? Set to true if you know you