Method projectOnVector

src/math/Vector3.js:889–899

* Projects this vector onto the given one. * * @param {Vector3} v - The vector to project to. * @return {Vector3} A reference to this vector.

( v )

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

		const denominator = v.lengthSq();

		if ( denominator === 0 ) return this.set( 0, 0, 0 );

		const scalar = v.dot( this ) / denominator;

		return this.copy( v ).multiplyScalar( scalar );

	}

	/**
	 * Projects this vector onto a plane by subtracting this