#pragma strict

var rotationSpeed = 100;
var jumpHeight = 8;

private var isFalling = false;

function Update ()
{
    //Move the ball.
    var rotation : float = Input.GetAxis ("Horizontal") * rotationSpeed;
    rotation *= Time.deltaTime;
    GetComponent.<Rigidbody>().AddRelativeTorque (Vector3.back * rotation);

    if (Input.GetKeyDown(KeyCode.Space) && isFalling == false)
    {
        GetComponent.<Rigidbody>().velocity.y = jumpHeight;
    }
        isFalling = true;
}

function OnCollisionStay ()
{
    isFalling = false;
}