var Boxtest : GameObject;



function Update()
{
    var fwd = transform.TransformDirection(Vector3.forward);
    var hit : RaycastHit;

	if (Physics.Raycast(transform.position, fwd, hit))
    {
    	if(hit.distance <= 5.0 && hit.collider.gameObject.tag == "Boxtest")
    	{

    	Debug.Log ("your too close");
    	}


  	}
}