if (Input.GetKey(KeyCode.A))
        {
            transform.localScale = new Vector2(-1, 1);
            speedX = -horizontalSpeed;
        }
        else if (Input.GetKey(KeyCode.D))
        {
            transform.localScale = new Vector2(1, 1);
            speedX = horizontalSpeed;
        }

        if (Input.GetKeyDown(KeyCode.Space) && isGrounded)
        {
            rb.AddForce(new Vector2(0, verticalImpulse), ForceMode2D.Impulse);
        }
transform.Translate(speedX, 0, 0);
        speedX = 0;