OAR Converter​/Unity3D​/Underwater_u5

using UnityEngine;
using System.Collections;

public class Underwater_u5 : MonoBehaviour 
{
   //This script enables underwater effects. Attach to main camera.
 
   //Define variable
   public int underwaterLevel = 0;
 
   //The scene's default fog settings
   private bool defaultFog;
   private Color defaultFogColor;
   private float defaultFogDensity;
   private Material defaultSkybox;

   void Start () 
   {
	    //Set the background color
       defaultFog = RenderSettings.fog;
       defaultFogColor = RenderSettings.fogColor;
       defaultFogDensity = RenderSettings.fogDensity;
		defaultSkybox = RenderSettings.skybox;
		GetComponent<Camera>().backgroundColor = new Color(0, 0.4f, 0.7f, 1);
   }

   //
   void Update () 
   {
       if (transform.position.y < underwaterLevel)
       {
           RenderSettings.fog = true;
           RenderSettings.fogColor = new Color(0, 0.4f, 0.7f, 0.6f);
           RenderSettings.fogDensity = 0.04f;
			RenderSettings.skybox = null;
       }
       else
       {
           RenderSettings.fog = defaultFog;
           RenderSettings.fogColor = defaultFogColor;
           RenderSettings.fogDensity = defaultFogDensity;
			RenderSettings.skybox = defaultSkybox;
       }
   }
}