hasProperty(child, key) → {boolean} Checks if the child has the given property. Will scan

getBottom() → {any} Returns the child at the bottom of this group. The bottom child the child

getFirstDead(createIfNull, x, y, key,

enableBody : boolean If true all Sprites created by, or added to this group, will have a physics body enabled on them. If

customSort(sortHandler, context) Sort the children in the group according to custom sort function.

forEachAlive(callback, callbackContext, args) Call a function on each alive child in this group. See

rotation : number The angle of rotation of the group container, in radians. This will adjust the group container itself