Method normalize

src/math/Vector3.js:792–796

* Converts this vector to a unit vector - that is, sets it equal to a vector * with the same direction as this one, but with a vector length of `1`. * * @return {Vector3} A reference to this vector.

()

	 * @return {Vector3} A reference to this vector.
	 */
	normalize() {

		return this.divideScalar( this.length() || 1 );

	}

	/**
	 * Sets this vector to a vector with the same direction as this one, but