constructor( countNode, uvNode = uv(), frameNode = float( 0 ) ) {

		super( 'vec2' );

		/**
		 * The node that defines the number of sprites in the x and y direction (e.g 6x6).
		 *
		 * @type {Node<vec2>}
		 */
		this.countNode = countNode;

		/**
		 * The uv node.
		 *
		 * @type {Node<vec2>}
		 */
		this.uvNode = uvNode;

		/**
		 * The node that defines the current frame/sprite.
		 *
		 * @type {Node<float>}
		 */
		this.frameNode = frameNode;

	}
Constructs a new sprite sheet uv node.

@param {Node<vec2>} countNode - The node that defines the number of sprites in the x and y direction (e.g 6x6).
@param {Node<vec2>} [uvNode=uv()] - The uv node.
@param {Node<float>} [frameNode=float()] - The node that defines the current frame/sprite.