void FixedUpdate()
{
    foreach (Touch touch in Input.touches)
    {
        if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved)
        {
            Vector2 touchDeltaPosition = Input.GetTouch(0).deltaPosition;
            Vector2 pos = touchDeltaPosition;
            pos.x = touchDeltaPosition.x * speed;
            pos.y = touchDeltaPosition.y * speed;
            transform.Translate(pos.x,pos.y,0);

            Ray ray = Camera.main.ScreenPointToRay(touch.position);
            RaycastHit hit;

            if (Physics.Raycast(ray, out hit, 1000))
            {
                    if (hit.collider.tag=="Environment")
                    {
                            Cubecall();
                     }
            }
        }
    }
}
void Cubecall()
{
    anim.enabled = true;
}