exists : boolean If exists is true the group is updated, otherwise it is skipped.

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

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

removeChild(child) → {DisplayObject}

frequency : number How often a particle is emitted in ms (if emitter is started with Explode === false).

setAlpha(min, max, rate, ease,

next() → {any} Advances the group cursor to the next (higher) object in the group. If the

addChild(child) → {DisplayObject}

getFirstAlive(createIfNull, x, y, key,

setSize(width, height) → {