using UnityEngine;
using System.Collections;

public class Lod : MonoBehaviour {
	public GameObject [] models;
	public int[] distance;
	private GameObject camera;
	private int numerModels;
	private float camDistance;
	void Start()
	{
		int i;
		for (i = 0; i < models.Length; i++)
		{
			models[i].SetActive(false);
		}
		camera = Camera.main.gameObject;
	}
	void Update()
	{
		camDistance = Vector3.Distance (camera.transform.position, transform.position);
		int lvl = -1;
		int i;
		for (i = 0; i < distance.Length; i++)
		{
			if (camDistance < distance [i])
			{
				lvl = i;
				i = distance.Length;
			}
		}
		if (lvl == -1)
		{
			lvl = distance.Length - 1;
		}
		if (numerModels != lvl)
		{
			SetLOD (lvl);
		}
	}
	void SetLOD(int lvl)
	{
		models[lvl].SetActive(true);
		models [numerModels].SetActive(false);
		numerModels = lvl;
	}
}