jump

	public bool grounded = true;
	public float JumpSpeed = 100.0f;
	public bool hasJumped = false;
	public Rigidbody rb;

	void jump ()
	{
		if (grounded) {
			rb.AddForce (Vector3.up * JumpSpeed * Time.deltaTime);
		}
	}

	void Update ()
	{
		if (!grounded && rb.velocity.y == 0) {
			grounded = true;
		}
		SimpleMovement sms = gameObject.GetComponent<SimpleMovement> ();
		if (Input.GetButton ("Jump") && grounded == true && sms.canmove) {
			hasJumped = true;
		}
	}

	void FixedUpdate ()
	{
		if (hasJumped) {
			rb.AddForce (Vector3.up * JumpSpeed * Time.deltaTime);
			grounded = false;
			hasJumped = false;
		}
	}