using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class HighlightIfVisible : MonoBehaviour {

	public Color visible;
	public Color invisible;

	// Use this for initialization
	void Start () {

	}

	// Update is called once per frame
	void Update () {
		Plane[] planes = GeometryUtility.CalculateFrustumPlanes(Camera.main);
		Bounds bounds = gameObject.GetComponent<Renderer>().bounds;
		Material mat = gameObject.GetComponent<Renderer>().material;
		if (GeometryUtility.TestPlanesAABB(planes, bounds)){
			// Je suis potentiellement visible
			mat.color = visible;
		} else {
			// C'est sûr, je ne suis pas visible
			mat.color = invisible;
			transform.rotation = Random.rotation;
		}
		gameObject.GetComponent<Renderer>().material = mat;
	}
}