inverse()
    {
        this.x = 1.0 / this.x;
        this.y = 1.0 / this.y;

        return this;
    }
/**
     * Returns the inverse of the components of the vector.
     *
     * @return {Vector2d} returns itself.
     */
Returns the inverse of the components of the vector.
@return {Vector2d} returns itself.
Returns the inverse of the components of the vector . @return { Vector2d } returns itself .
inverse()
    {
        this.x = 1.0 / this.x;
        this.y = 1.0 / this.y;
        return this;
    }
inverse ( ) { this . x = 1.0 / this . x ; this . y = 1.0 / this . y ; return this ; }
Returns the inverse of the components of the vector.
Returns the inverse of the components of the vector .