通过旋转天空盒，让天空更有动态感。

using UnityEngine;

public class SkyboxRotator : MonoBehaviour
{
    public float RotationPerSecond = 1;
    [SerializeField]
    private bool _rotate;

    protected void Update()
    {
        if (_rotate) RenderSettings.skybox.SetFloat("_Rotation", Time.time * RotationPerSecond);
    }
}

旋转天空盒，让云动起来。