if (isGrounded())
        {
            characterAnimator.SetFloat("directionValue",direction.magnitude);
            if (Input.GetKeyDown(KeyCode.Space))
            {
                characterAnimator.SetTrigger("jumpTrigger");
                rb.AddForce(new Vector3(0, jumpSpeed, 0), ForceMode.Impulse);
                jumpSource.Play();
            }
        }
        characterAnimator.SetBool("IsGrounded",isGrounded());

    }

    private bool isGrounded()
    {
        return Physics.Raycast(transform.position, -Vector3.up, 2 + 0.1f);
    }