getFirstAlive(createIfNull, x, y, key,

ignoreChildInput : boolean If ignoreChildInput is false it will allow this objects children

moveUp(child) → {any} Moves the given child up one place in this group unless it's already at the

createMultiple(quantity, key, frame, exists) → {array}

countDead() → {integer} Get the number of dead children in this group. Returns

getChildAt(index) → {DisplayObject}

addChild(child) → {DisplayObject}

getChildIndex(child) → {Number} Returns the index position of a child DisplayObject instance

forEach(callback, callbackContext, checkExists, args) Call a function on

enableBodyDebug : boolean If true when a physics body is created (via