`enter code here`in Update

var controller : CharacterController = GetComponent(CharacterController);

var forward = transform.TransformDirection(Vector3.forward);

var curSpeed = speed * Input.GetAxis ("Vertical");

transform.Rotate(0, Input.GetAxis ("Horizontal") * rotateSpeed, 0);

 //Move the controller
controller.Move(moveDirection * Time.deltaTime);

// Apply gravity
moveDirection.y -= gravity * Time.deltaTime;



}

@script RequireComponent(CharacterController)