setFromVector3( v, order = this._order ) {

		return this.set( v.x, v.y, v.z, order );

	}
Sets the angles of this Euler instance from the given vector.

@param {Vector3} v - The vector.
@param {string} [order] - A string representing the order that the rotations are applied.
@return {Euler} A reference to this Euler instance.