camera color unity
using UnityEngine;
using System.Collections;
public class ExampleClass : MonoBehaviour
{
    public Color color1 = Color.red;
    public Color color2 = Color.blue;
    public float duration = 3.0F;
    public Camera cam;
    void Start()
    {
        
    }
    void Update()
    {
        float t = Mathf.PingPong(Time.time, duration) / duration;
        cam.backgroundColor = Color.Lerp(color1, color2, t);
    }
}
