clone() {

		const newNode = new this.constructor( this.value, this.uvNode, this.levelNode, this.biasNode );
		newNode.sampler = this.sampler;
		newNode.depthNode = this.depthNode;
		newNode.compareNode = this.compareNode;
		newNode.gradNode = this.gradNode;

		return newNode;

	}
Clones the texture node.

@return {TextureNode} The cloned texture node.