constructor( sourceNode, stepsNode ) {

		super();

		/**
		 * The input color.
		 *
		 * @type {Node}
		 */
		this.sourceNode = sourceNode;

		/**
		 * Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.
		 *
		 * @type {Node}
		 */
		this.stepsNode = stepsNode;

	}
Constructs a new posterize node.

@param {Node} sourceNode - The input color.
@param {Node} stepsNode - Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.