Unity3D动态天空之UniSky

找工作时一家公司时给我出的题目，去uniSky官网看了看快速入门就做了出来，时间自动流逝，并且可以手动设置时间段以及相应的天气效果，直接上代码，要.package的留邮箱啊，我在博客园找不到上传的地方

/// <summary>
/// 天气状态
/// </summary>
public enum WeatherState
{
    /// <summary>
    /// 晴天
    /// </summary>
    SUNNY_DAY,

    /// <summary>
    /// 雨天
    /// </summary>
    RAINY_DAY,

    /// <summary>
    /// 雪天
    /// </summary>
    SNOWY_DAY,

    /// <summary>
    /// 雾天
    /// </summary>
    FOGGY_DAY,

    /// <summary>
    /// 阴天
    /// </summary>
    CLOUD_DAY
}

/// <summary>
/// 时间状态
/// </summary>
public enum TimeState
{
    /// <summary>
    /// 早晨
    /// </summary>
    MORNING,
    
    /// <summary>
    /// 上午
    /// </summary>
    AM,

    /// <summary>
    /// 中午
    /// </summary>
    NOONING,

    /// <summary>
    /// 下午
    /// </summary>
    PM,

    /// <summary>
    /// 傍晚
    /// </summary>
    DUSK,

    /// <summary>
    /// 夜晚
    /// </summary>
    NIGHT
}

using UnityEngine;
using System.Collections;

public class SkyController : MonoBehaviour 
{
    //导入UniSky插件
    private UniSkyAPI uniSky;

    //存储当前时间状态
    private TimeState nowTime; 
    //存储当前天气状态
    private WeatherState nowWeather;

    //时间状态是否更改
    private bool changeTime = false;
    //天气状态是否更改
    private bool changeWeather = false;

    //时间流逝速度
    public float timeSpeed = 0.0F;

    void Start () 
    {
        //初始化UniSky插件
        uniSky = GameObject.Find("UniSkyAPI").GetComponent("UniSkyAPI") as UniSkyAPI;
        uniSky.InstantiateUniSky();
        //初始化时间状态（上午）和天气状态（晴天）
        nowWeather = WeatherState.SUNNY_DAY;
        nowTime = TimeState.AM;
        //防止bug天空
        uniSky.SetStormCloudCover(-3.5F);
        uniSky.LerpStormCloudCover(-3.5F, -3.5F);

        //去掉鼠标
        Screen.showCursor = false;
    }

    void Update() 
    {
        //根据键盘输入改变时间状态和天气状态
        ChangeTimeAndWeather();
        //根据时间状态和天气状态绘制相关效果
        RealizeTimeAndWeather();

        //如果没有强行改变时间，则时间正常流逝，反之则强行改变时间的这一帧时间不流逝
        if (changeTime)
            changeTime = false;
        else
            ChanageTime();

        if (changeWeather)
        {
            ResetSky();
            changeWeather = false;
        }   

        //输出当前的时间和天气
        Debug.Log(nowTime + "," + nowWeather + "," + changeWeather);
    }

    void OnGUI()
    {
        GUI.Label(new Rect(0,   0, 100, 20), "操作说明：");
        
        GUI.Label(new Rect(0,  50, 500, 20), "F1-F6功能键切换时间：F1->早晨  F2->上午  F3->中午  F4->下午  F5->黄昏  F6->晚上");
        GUI.Label(new Rect(0,  80, 500, 20), "1-5数字键切换天气：    1->晴天  2 ->雨天   3->大风    4->雾天   5->阴天");

        GUI.Label(new Rect(0, 130, 200, 20), "W->人物向前");
        GUI.Label(new Rect(0, 160, 200, 20), "S->人物向后");
        GUI.Label(new Rect(0, 190, 200, 20), "A->人物向左");
        GUI.Label(new Rect(0, 220, 200, 20), "D->人物向右");
        GUI.Label(new Rect(0, 250, 200, 20), "空格->跳跃");
        GUI.Label(new Rect(0, 280, 200, 20), "鼠标->旋转");
    }

    /// <summary>
    /// 时间自动流逝
    /// </summary>
    void ChanageTime()
    {
        uniSky.SetTime(uniSky.GetTime() + Time.deltaTime * timeSpeed);
    }

    /// <summary>
    /// 重置天空
    /// </summary>
    void ResetSky()
    {
        //云少
        uniSky.SetCloudCover(-2);
        uniSky.LerpCloudCover(-2, -2);
        //云白
        uniSky.SetPrecipitationLevel(1);
        uniSky.LerpPrecipitationLevel(1, 1);
        //光多
        uniSky.SetSunIntensity(0.5F);
        uniSky.LerpSunIntensity(0.5F, 0.5F);
        
        //不打雷
        uniSky.SetLightningFrequency(0);
        //不下雨
        uniSky.SetRainLevel(0, 0);
        uniSky.LerpRainLevel(0, 0, 0);
        //雨不滴落下屏幕上
        uniSky.SetDropletLevel(1);
        uniSky.LerpDropletLevel(1, 1);
        //没烟雾
        uniSky.SetFogLevel(0);
        uniSky.LerpFogLevel(0, 0);

        //正常卷云
        uniSky.SetGlowVariance(10);
        uniSky.LerpGlowVariance(10, 10);

        //清除缓存
        uniSky.ClearDropletBuffer();
    }

    /// <summary>
    /// 实现时间天气效果
    /// </summary>
    void RealizeTimeAndWeather()
    {
        //--------------------------------------------时间 -----------------------------------------

        //早晨
        if(nowTime == TimeState.MORNING)
        {
            uniSky.SetTime(8);
        }

        //上午
        if (nowTime == TimeState.AM)
        {
            uniSky.SetTime(10);
        }

        //中午
        if (nowTime == TimeState.NOONING)
        {
            uniSky.SetTime(12);
        }

        //下午
        if (nowTime == TimeState.PM)
        {
            uniSky.SetTime(14);
        }

        //傍晚
        if (nowTime == TimeState.DUSK)
        {
            uniSky.SetTime(16);
        }

        //晚上
        if (nowTime == TimeState.NIGHT)
        {
            uniSky.SetTime(20);
        }

        //--------------------------------------------天气 -----------------------------------------

        //晴天
        if (nowWeather == WeatherState.SUNNY_DAY)
        {
            //云少
            uniSky.SetCloudCover(-2);
            uniSky.LerpCloudCover(-2, -2);
            //云白
            uniSky.SetPrecipitationLevel(1);
            uniSky.LerpPrecipitationLevel(1, 1);
            //少卷云
            uniSky.SetGlowVariance(15);
            uniSky.LerpGlowVariance(15, 15);
        }

        //雨天
        if (nowWeather == WeatherState.RAINY_DAY)
        {
            //云多
            uniSky.SetCloudCover(-1);
            uniSky.LerpCloudCover(-1, -1);
            //云黑
            uniSky.SetPrecipitationLevel(0.3F);
            uniSky.LerpPrecipitationLevel(0.3F, 0.3F);
            //光少
            uniSky.SetSunIntensity(0.2F);
            uniSky.LerpSunIntensity(0.2F, 0.2F);
            //打雷
            uniSky.SetLightningFrequency(200);
            //下雨
            uniSky.SetRainLevel(200, 200);
            uniSky.LerpRainLevel(200, 200, 200);
            //雨在屏幕图像上滴落（0到5）
            uniSky.SetDropletLevel(100);
            uniSky.LerpDropletLevel(100, 100);
            //多卷云
            uniSky.SetGlowVariance(5);
            uniSky.LerpGlowVariance(5, 5);
        }

        //雪天
        if (nowWeather == WeatherState.SNOWY_DAY)
        {
            //云多
            uniSky.SetCloudCover(-1.5F);
            uniSky.LerpCloudCover(-1.5F, -1.5F);
            //光少
            uniSky.SetSunIntensity(0.25F);
            uniSky.LerpSunIntensity(0.25F, 0.25F);
            //多卷云
            uniSky.SetGlowVariance(-4);
            uniSky.LerpGlowVariance(-4, -4);
        }

        //雾天
        if (nowWeather == WeatherState.FOGGY_DAY)
        {
            //云多
            uniSky.SetCloudCover(1);
            uniSky.LerpCloudCover(1, 1);
            //光少
            uniSky.SetSunIntensity(0.2F);
            uniSky.LerpSunIntensity(0.2F, 0.2F);
            //雾多
            uniSky.SetFogLevel(0.02F);
            uniSky.LerpFogLevel(0.02F, 0.02F);
        }

        //阴天
        if (nowWeather == WeatherState.CLOUD_DAY)
        {
            //云多
            uniSky.SetCloudCover(2);
            uniSky.LerpCloudCover(2, 2);
            //光少
            uniSky.SetSunIntensity(0.2F);
            uniSky.LerpSunIntensity(0.2F, 0.2F);
        }
    }

    /// <summary>
    /// 改变时间天气状态
    /// </summary>
    void ChangeTimeAndWeather()
    {
        //--------------------------------------------时间 -----------------------------------------

        //F1键为早晨
        if (Input.GetKeyDown(KeyCode.F1))
        {
            changeTime = true;
            nowTime = TimeState.MORNING;
        }

        //F2键为上午
        if (Input.GetKeyDown(KeyCode.F2))
        {
            changeTime = true;
            nowTime = TimeState.AM;
        }

        //F3键为中午
        if (Input.GetKeyDown(KeyCode.F3))
        {
            changeTime = true;
            nowTime = TimeState.NOONING;
        }

        //F4键为下午
        if (Input.GetKeyDown(KeyCode.F4))
        {
            changeTime = true;
            nowTime = TimeState.PM;
        }

        //F5键为傍晚
        if (Input.GetKeyDown(KeyCode.F5))
        {
            changeTime = true;
            nowTime = TimeState.DUSK;
        }

        //F6键为晚上
        if (Input.GetKeyDown(KeyCode.F6))
        {
            changeTime = true;
            nowTime = TimeState.NIGHT;
        }

        //--------------------------------------------天气 -------------------------------------------

        //数字键1为晴天
        if (Input.GetKeyDown(KeyCode.Alpha1))
        {
            changeWeather = true;
            nowWeather = WeatherState.SUNNY_DAY;
        }

        //数字键2为雨天
        if (Input.GetKeyDown(KeyCode.Alpha2))
        {
            changeWeather = true;
            nowWeather = WeatherState.RAINY_DAY;
        }

        //数字键3为雪天
        if (Input.GetKeyDown(KeyCode.Alpha3))
        {
            changeWeather = true;
            nowWeather = WeatherState.SNOWY_DAY;
        }

        //数字键4为雾天
        if (Input.GetKeyDown(KeyCode.Alpha4))
        {
            changeWeather = true;
            nowWeather = WeatherState.FOGGY_DAY;
        }

        //数字键5为阴天
        if (Input.GetKeyDown(KeyCode.Alpha5))
        {
            changeWeather = true;
            nowWeather = WeatherState.CLOUD_DAY;
        }
    }
}

效果图