using UnityEngine;

class Billboard:MonoBehaviour
{
        public float VisibleDistance = 5;

        private Renderer r;

        void Start()
        {
            r = transform.Find("Plane").renderer;
        }

        void Update()
        {
            if (Camera.main == null) return;
            r.enabled = (Vector3.Distance(transform.position, Camera.main.transform.position) <= VisibleDistance);
            transform.LookAt(Camera.main.transform);
        }

        public void SetVisible(bool visible)
        {
            enabled = visible;
            if (!visible) r.enabled = false;
        }
}