Unity新⼿引导圆形遮罩镂空处理脚本：using System;using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;///<summary>///圆形遮罩镂空///</summary>public class CircleGuidance : MonoBehaviour{public static CircleGuidance instance;///<summary>///⾼亮显⽰⽬标///</summary>public Image target;///<summary>///区域范围缓存///</summary>private Vector3[] corners = new Vector3[4];///<summary>///镂空区域中⼼///</summary>private Vector4 center;///<summary>///镂空区域半径///</summary>private float radius;///<summary>///遮罩材质///遮罩材质///</summary>private Material material;///<summary>///当前⾼亮区域半径///</summary>private float currentRadius;///<summary>///⾼亮区域缩放的动画时间///</summary>private float shrinkTime = 0.5f;///<summary>///事件渗透组件///</summary>private GuidanceEventPenetrate eventPenetrate;private void Awake(){instance = this;}public void Init(Image target){this.target = target;eventPenetrate = GetComponent<GuidanceEventPenetrate>();if (eventPenetrate != null){eventPenetrate.SetTargetImage(target);}Canvas canvas = GameObject.Find("Canvas").GetComponent<Canvas>();//获取⾼亮区域的四个顶点的世界坐标target.rectTransform.GetWorldCorners(corners);//计算最终⾼亮显⽰区域的半径radius = Vector2.Distance(WorldToCanvasPos(canvas, corners[0]), WorldToCanvasPos(canvas, corners[2])) / 2;//计算⾼亮显⽰区域的中⼼float x = corners[0].x + ((corners[3].x - corners[0].x) / 2);float y = corners[0].y + ((corners[1].y - corners[0].y) / 2);Vector3 centerWorld = new Vector3(x, y, 0);Vector2 center = WorldToCanvasPos(canvas, centerWorld);//设置遮罩材质中的中⼼变量Vector4 centerMat = new Vector4(center.x, center.y, 0, 0);material = GetComponent<Image>().material;material.SetVector("_Center", centerMat);//计算当前⾼亮显⽰区域的半径RectTransform canRectTransform = canvas.transform as RectTransform;if (canRectTransform != null){//获取画布区域的四个顶点canRectTransform.GetWorldCorners(corners);//将画布顶点距离⾼亮区域中⼼最近的距离昨晚当前⾼亮区域半径的初始值foreach (var corner in corners){currentRadius = Mathf.Max(Vector3.Distance(WorldToCanvasPos(canvas, corner), corner), currentRadius); }}material.SetFloat("_Slider", currentRadius);}///<summary>///收缩速度///</summary>private float shrinkVelocity = 0f;private void Update(){//从当前半径到⽬标半径差值显⽰收缩动画float value = Mathf.SmoothDamp(currentRadius, radius, ref shrinkVelocity, shrinkTime);if (!Mathf.Approximately(value, currentRadius)){currentRadius = value;material.SetFloat("_Slider", currentRadius);}}///<summary>///世界坐标转换为画布坐标///</summary>///</summary>///<param name="canvas">画布</param>///<param name="world">世界坐标</param>///<returns></returns>private Vector2 WorldToCanvasPos(Canvas canvas, Vector3 world){Vector2 position;RectTransformUtility.ScreenPointToLocalPointInRectangle(canvas.transform as RectTransform, world, canvas.GetComponent<Camera>(), out position);return position;}}View Code矩形遮罩镂空处理脚本：using System;using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;///<summary>///矩形遮罩镂空///</summary>public class RectGuidance : MonoBehaviour{public static RectGuidance instance;///<summary>///⾼亮显⽰⽬标///</summary>public Image target;///<summary>///区域范围缓存///</summary>private Vector3[] corners = new Vector3[4];///<summary>///镂空区域中⼼///</summary>private Vector4 center;///<summary>///最终的偏移x///</summary>private float targetOffsetX = 0;///<summary>///最终的偏移y///</summary>private float targetOffsetY = 0;///<summary>///遮罩材质///</summary>private Material material;///<summary>///当前的偏移x///</summary>private float currentOffsetX = 0f;///<summary>///当前的偏移y///</summary>private float currentOffsetY = 0f;///<summary>///⾼亮区域缩放的动画时间///</summary>private float shrinkTime = 0.5f;///<summary>///事件渗透组件///</summary>private GuidanceEventPenetrate eventPenetrate;private void Awake(){instance = this;}public void Init(Image target)public void Init(Image target){this.target = target;eventPenetrate = GetComponent<GuidanceEventPenetrate>();if (eventPenetrate != null){eventPenetrate.SetTargetImage(target);}Canvas canvas = GameObject.Find("Canvas").GetComponent<Canvas>();//获取⾼亮区域的四个顶点的世界坐标target.rectTransform.GetWorldCorners(corners);//计算⾼亮显⽰区域在画布中的范围targetOffsetX = Vector2.Distance(WorldToCanvasPos(canvas, corners[0]), WorldToCanvasPos(canvas, corners[3])) / 2f; targetOffsetY = Vector2.Distance(WorldToCanvasPos(canvas, corners[0]), WorldToCanvasPos(canvas, corners[1])) / 2f;//计算⾼亮显⽰区域的中⼼float x = corners[0].x + ((corners[3].x - corners[0].x) / 2);float y = corners[0].y + ((corners[1].y - corners[0].y) / 2);Vector3 centerWorld = new Vector3(x, y, 0);Vector2 center = WorldToCanvasPos(canvas, centerWorld);//设置遮罩材质中的中⼼变量Vector4 centerMat = new Vector4(center.x, center.y, 0, 0);material = GetComponent<Image>().material;material.SetVector("_Center", centerMat);//计算当前⾼亮显⽰区域的半径RectTransform canRectTransform = canvas.transform as RectTransform;if (canRectTransform != null){//获取画布区域的四个顶点canRectTransform.GetWorldCorners(corners);//计算偏移初始值for (int i = 0; i < corners.Length; i++){if (i % 2 == 0){currentOffsetX = Mathf.Max(Vector3.Distance(WorldToCanvasPos(canvas, corners[i]), center), currentOffsetX); }else{currentOffsetY = Mathf.Max(Vector3.Distance(WorldToCanvasPos(canvas, corners[i]), center), currentOffsetY); }}}//设置遮罩材质中当前偏移的变量material.SetFloat("_SliderX", currentOffsetX);material.SetFloat("_SliderY", currentOffsetY);}///<summary>///收缩速度///</summary>private float shrinkVelocityX = 0f;private float shrinkVelocityY = 0f;private void Update(){//从当前偏移量到⽬标偏移量差值显⽰收缩动画float valueX = Mathf.SmoothDamp(currentOffsetX, targetOffsetX, ref shrinkVelocityX, shrinkTime);float valueY = Mathf.SmoothDamp(currentOffsetY, targetOffsetY, ref shrinkVelocityY, shrinkTime);if (!Mathf.Approximately(valueX, currentOffsetX)){currentOffsetX = valueX;material.SetFloat("_SliderX", currentOffsetX);}if (!Mathf.Approximately(valueY, currentOffsetY)){currentOffsetY = valueY;material.SetFloat("_SliderY", currentOffsetY);}}///<summary>///世界坐标转换为画布坐标///</summary>///<param name="canvas">画布</param>///<param name="world">世界坐标</param>///<param name="world">世界坐标</param>///<returns></returns>private Vector2 WorldToCanvasPos(Canvas canvas, Vector3 world){Vector2 position;RectTransformUtility.ScreenPointToLocalPointInRectangle(canvas.transform as RectTransform, world, canvas.GetComponent<Camera>(), out position);return position;}}View Code新⼿引导管理脚本，通过此脚本管理遮罩跟引导步骤，动态添加按钮点击事件等：using System;using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;///<summary>///新⼿引导管理///</summary>public class GuideManagers : MonoBehaviour{///<summary>///引导步骤数组（如：第⼀步-》第⼆步。
