[转载]Unity3d闪烁灯光脚本

using UnityEngine;  

using System.Collections;  

[RequireComponent( typeof( Light ) )]  

public class flickeringLight : MonoBehaviour  

{  

    // Flickering Styles   

    public enum flickerinLightStyles { CampFire = 0, Fluorescent = 1 };  

    public flickerinLightStyles flickeringLightStyle = flickerinLightStyles.CampFire;  

    // Campfire Methods   

    public enum campfireMethods { Intensity = 0, Range = 1, Both = 2 };  

    public campfireMethods campfireMethod = campfireMethods.Intensity;  

    // Intensity Styles   

    public enum campfireIntesityStyles { Sine = 0, Random = 1 };  

    public campfireIntesityStyles campfireIntesityStyle = campfireIntesityStyles.Random;  

    // Range Styles   

    public enum campfireRangeStyles { Sine = 0, Random = 1 };  

    public campfireRangeStyles campfireRangeStyle = campfireRangeStyles.Random;  

    // Base Intensity Value   

    public float CampfireIntensityBaseValue = 0.5f;  

    // Intensity Flickering Power   

    public float CampfireIntensityFlickerValue = 0.1f;  

    // Base Range Value   

    public float CampfireRangeBaseValue = 10.0f;  

    // Range Flickering Power   

    public float CampfireRangeFlickerValue = 2.0f;  

      

    // If Style is Sine   

    private float CampfireSineCycleIntensity = 0.0f;  

    private float CampfireSineCycleRange = 0.0f;  

    // "Glow" Speeds   

    public float CampfireSineCycleIntensitySpeed = 5.0f;  

    public float CampfireSineCycleRangeSpeed = 5.0f;  

    public float FluorescentFlickerMin = 0.4f;  

    public float FluorescentFlickerMax = 0.5f;  

    public float FluorescentFlicerPercent = 0.95f;  

    // NOT IMPLEMENTED YET !!!!   

    public bool FluorescentFlickerPlaySound = false;  

    public AudioClip FluorescentFlickerAudioClip;  

    // ------------------------   

  

    // Use this for initialization   

    void Start () {  

      

    }  

      

    // Update is called once per frame   

    void Update () {  

        switch( flickeringLightStyle )  

        {  

            // If Flickering Style is Campfire   

            case flickerinLightStyles.CampFire:  

                // If campfire method is Intesity OR Both   

                if( campfireMethod == campfireMethods.Intensity || campfireMethod == campfireMethods.Both )  

                {  

                    // If Intensity style is Sine   

                    if( campfireIntesityStyle == campfireIntesityStyles.Sine )  

                    {  

                        // Cycle the Campfire angle   

                        CampfireSineCycleIntensity += CampfireSineCycleIntensitySpeed;  

                        if( CampfireSineCycleIntensity > 360.0f ) CampfireSineCycleIntensity = 0.0f;  

                        // Base + Values   

                        light.intensity = CampfireIntensityBaseValue + ( ( Mathf.Sin( CampfireSineCycleIntensity * Mathf.Deg2Rad ) * ( CampfireIntensityFlickerValue / 2.0f ) ) + ( CampfireIntensityFlickerValue / 2.0f ) );  

                    }  

                    else light.intensity = CampfireIntensityBaseValue + Random.Range( 0.0f, CampfireIntensityFlickerValue );  

                }  

                // If campfire method is Range OR Both   

                if( campfireMethod == campfireMethods.Range || campfireMethod == campfireMethods.Both )  

                {  

                    // If Range style is Sine   

                    if( campfireRangeStyle == campfireRangeStyles.Sine )  

                    {  

                        // Cycle the Campfire angle   

                        CampfireSineCycleRange += CampfireSineCycleRangeSpeed;  

                        if( CampfireSineCycleRange > 360.0f ) CampfireSineCycleRange = 0.0f;  

                        // Base + Values   

                        light.range = CampfireRangeBaseValue + ( ( Mathf.Sin( CampfireSineCycleRange * Mathf.Deg2Rad ) * ( CampfireSineCycleRange / 2.0f ) ) + ( CampfireSineCycleRange / 2.0f ) );  

                    }  

                    else light.range = CampfireRangeBaseValue + Random.Range( 0.0f, CampfireRangeFlickerValue );  

                }  

                break;  

            // If Flickering Style is Fluorescent   

            case flickerinLightStyles.Fluorescent:  

                if( Random.Range( 0.0f, 1.0f ) > FluorescentFlicerPercent )  

                {  

                    light.intensity = FluorescentFlickerMin;  

                    // Check Audio - NOT IMPLEMENTED YET   

                    if( FluorescentFlickerPlaySound )  

                    {  

                    }  

                }  

                else light.intensity = FluorescentFlickerMax;  

                break;  

            default:  

                // You should not be here.   

                break;  

        }  

      

    }  

}