setLoop( mode, repetitions ) {

		this.loop = mode;
		this.repetitions = repetitions;

		return this;

	}
Configures the loop settings for this action.

@param {(LoopRepeat|LoopOnce|LoopPingPong)} mode - The loop mode.
@param {number} repetitions - The number of repetitions.
@return {AnimationAction} A reference to this animation action.