set( x, y, z, w ) {

		this.x = x;
		this.y = y;
		this.z = z;
		this.w = w;

		return this;

	}
Sets the vector components.

@param {number} x - The value of the x component.
@param {number} y - The value of the y component.
@param {number} z - The value of the z component.
@param {number} w - The value of the w component.
@return {Vector4} A reference to this vector.