var waypoint : Transform[];
var speed : float = 20;
private var currentWaypoint; Transform;
var loop : boolean = true;

function Update () {
    if(currentWaypoint < waypoint.length){
        var target : Vector3 = waypoint[currentWaypoint].position;
        var moveDirection : Vector3 = target - transform.position;

        var velocity = rigidbody.velocity;
        if(moveDirection.magnitude < 1){
            currentWaypoint++;
        }
        else{
            velocity = moveDirection.normalized * speed;
        }
    }
    else{
        if(loop)
            currentWaypoint=0;
        }
        else{
        velocity = Vector3.zero;
        }
    }

    rigidbody.velocity = velocity;

}