#pragma strict

var target : Vector3;
var speed : float = 10.0;
var acceleration : float = 12.0;

function Update() {
    if(Input.GetMouseButton(0)) {
     var distance : float = transform.position.z - Camera.main.transform.position.z;
     target = Camera.main.ScreenToWorldPoint (Vector3 (Input.mousePosition.x,Input.mousePosition.y,distance)); // set target
    }
}

function FixedUpdate()
{
    rigidbody.velocity *= .9;
    var correct_speed : float = Mathf.Clamp(Vector3.Distance(target,transform.position)*.1,0,.5);
    rigidbody.AddForce((target-transform.position).normalized * speed * acceleration * correct_speed); //apply force
    if (rigidbody.velocity.magnitude > speed) {
     rigidbody.velocity = rigidbody.velocity.normalized * speed;
    }
    print("rigidbody.velocity 0: "+rigidbody.velocity.magnitude);
}