【Unity ShaderGraph使用雪碧图制作导航光效效果】

article/2025/3/10 15:11:05

效果：
请添加图片描述
ShaderGraph的制作：

shader中uv数和雪碧图的uv数对上就能出效果。

直接上代码：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;public class TurnDirEffectController : MonoBehaviour
{public RectTransform effecRrectTf;public Material mat;public int currentLevel = -1;public float totalTime;public float currentSpeed;public Texture2D[] textures;public float[] mainColorAlpha;public bool isEffectOver;public int trunValue = -2;public Button[] testBtn;public Sprite dayimg;public Sprite nightimg;void Start(){Application.targetFrameRate = 24;StopTween();testBtn[0].onClick.AddListener(() =>  Btn1());testBtn[1].onClick.AddListener(() => { Btn2(); });testBtn[2].onClick.AddListener(() => { Btn3(); });testBtn[3].onClick.AddListener(() => { Btn4(); });testBtn[4].onClick.AddListener(() => { Btn5(); });}public void StopTween(){trunValue = -2;mat.SetFloat("_alpha", 0);totalTime = 0;}float time;float time1;float time2;float time3;private DayOrNightMode mo;void Update(){
#if UNITY_EDITORif (Input.GetKeyDown(KeyCode.Z)){mo = DayOrNightMode.Day;Turn_new2(0, 0, mo);//左1}if (Input.GetKeyDown(KeyCode.X)){mo = DayOrNightMode.Day;Turn_new2(1, 0, mo);//右1}if (Input.GetKeyDown(KeyCode.C)){mo = DayOrNightMode.Day;Turn_new2(0, 1, mo);//左2}if (Input.GetKeyDown(KeyCode.V)){mo = DayOrNightMode.Day;Turn_new2(1, 1, mo);//右2}if (Input.GetKeyDown(KeyCode.B)){trunValue = -2;}
#endif//time += Time.deltaTime;//time1 += Time.deltaTime;//time2 += Time.deltaTime;//time3 += Time.deltaTime;//if (time > 5 && time < 11)//{//    Turn_new2(-1, 1, DayOrNightMode.Day);//    time = 11;//}//if (time1 > 11 && time1 < 17)//{//    Turn_new2(1, 1, DayOrNightMode.Day);//右1//    time1 = 17;//}//if (time2 > 17 && time2 < 25)//{//    Turn_new2(-1, 2, DayOrNightMode.Day);//左2//    time2 = 25;//}//if (time3 > 25 && time3 < 33)//{//    Turn_new2(1, 2, DayOrNightMode.Day);//右2//    //time3 = 33;//}//if (time3 > 33)//{//    Btn5();//}if (isEffectOver){return;}totalTime += Time.deltaTime * currentSpeed;//每次周期结束时判断一下if (totalTime >= 48f){if (trunValue == -2){totalTime = 0;effecRrectTf.gameObject.SetActive(false);isEffectOver = true;}else{totalTime = 0;if(trunValue == 0){effecRrectTf.localScale = new Vector3(-1, 1, 1);}if (trunValue == 1){effecRrectTf.localScale = new Vector3(1, 1, 1);}}//1秒30帧，每帧时间100/3=33;float picturePreSecont = 33;if (currentLevel == -1){speedTye = SpeedType.normal;currentSpeed = picturePreSecont / 1;}else if (currentLevel == 0){speedTye = SpeedType.high;currentSpeed = picturePreSecont / 1.5f;}else if (currentLevel == 1){speedTye = SpeedType.low;currentSpeed = picturePreSecont / 2.5f;}OnDayOrNight(mo, currentLevel);}totalTime %= 48;mat.SetFloat("_timer", totalTime);}public void naviLightMessage(string data){//data=0-1-1   第一个开关导航0=关闭、1=开启    第二个表示左右 0=左  1=右    第三个表示快慢  0=快  1=慢Debug.Log("receiveNaviMessage params=" + data);string[] value = data.Split('-');if (int.Parse(value[0])==0){trunValue = -2;}else if(int.Parse(value[0]) == 1){Turn_new2(int.Parse(value[1]), int.Parse(value[2]), DayOrNightMode.Day);}}public void Turn_new2(int value, int speedValue, DayOrNightMode mode){//Application.targetFrameRate = 24;currentLevel = speedValue;if (trunValue == value){//MR_Debug.LogI(null, "TrunValue==value and return" + value);return;}trunValue = value;if (trunValue == -2){return;}//DayNight(mode);if (trunValue == 0){effecRrectTf.localScale = new Vector3(-1, 1, 1);}if (trunValue == 1){effecRrectTf.localScale = new Vector3(1, 1, 1);}//effecRrectTf.localScale = new Vector3(trunValue, 1, 1);//currentLevel = speedValue;totalTime = 0;//0 normal 1 high 2 low//1秒30帧，每帧时间100/3=33;float picturePreSecont = 33;if (currentLevel == -1){speedTye = SpeedType.normal;currentSpeed = picturePreSecont / 1;}else if (currentLevel == 0){speedTye = SpeedType.high;currentSpeed = picturePreSecont / 1.5f;}else if (currentLevel == 1){speedTye = SpeedType.low;currentSpeed = picturePreSecont / 2.5f;}//重新播放OnDayOrNight(mode, speedValue);isEffectOver = false;effecRrectTf.gameObject.SetActive(true);}private void OnDayOrNight(DayOrNightMode mode, int speedValue){//重头播// totalTime = 0;mat.SetFloat("_alpha", 1);//更换贴图和透明度if (mode == DayOrNightMode.Day){//if (speedValue == 0)//{//    mat.SetTexture("_MainTex", textures[0]);//}//else if(speedValue == 1)//{//    mat.SetTexture("_MainTex", textures[1]);//}mat.SetTexture("_MainTex", textures[0]);if (speedTye == SpeedType.low){mat.SetFloat("_alpha", mainColorAlpha[1]);}else if(speedTye == SpeedType.high){mat.SetFloat("_alpha", mainColorAlpha[0]);}}else if (mode == DayOrNightMode.Night){//if (speedValue == 0)//{//    mat.SetTexture("_MainTex", textures[2]);//}//else if (speedValue == 1)//{//    mat.SetTexture("_MainTex", textures[3]);//}mat.SetTexture("_MainTex", textures[1]);if (speedTye == SpeedType.low){mat.SetFloat("_alpha", mainColorAlpha[1]);}else if (speedTye == SpeedType.high){mat.SetFloat("_alpha", mainColorAlpha[0]);}}}private void Btn1(){Turn_new2(0, 0, DayOrNightMode.Day);}private void Btn2(){Turn_new2(1, 0, DayOrNightMode.Day);}private void Btn3(){Turn_new2(0, 1, DayOrNightMode.Day);//左2}private void Btn4(){Turn_new2(1, 1, DayOrNightMode.Day);//右2}private void Btn5(){trunValue = -2;}private void DayNight(DayOrNightMode mode){if(mode== DayOrNightMode.Day){transform.GetComponent<Image>().sprite = dayimg;}else if(mode == DayOrNightMode.Night){transform.GetComponent<Image>().sprite = nightimg;}}public enum SpeedType{normal,high,low}public SpeedType speedTye;public enum DayOrNightMode{Day,Night,}
}