getWorldDirection( target ) {

		this.updateWorldMatrix( true, false );

		const e = this.matrixWorld.elements;

		return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize();

	}
Returns a vector representing the ("look") direction of the 3D object in world space.

@param {Vector3} target - The target vector the result is stored to.
@return {Vector3} The 3D object's direction in world space.