unity滑动层叠图片轮播展示代码

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using System;
using System.Text.RegularExpressions;
public class ImgSliderMove : MonoBehaviour
{

    public Transform Imgs;
    public Button Left;
    public Button Right;
    public Sprite[] Sprite2D;
    float moveSpeed = 0.2f;
    Vector3 startPos;
    Vector3 stayPos;
    Vector3 endPos;
    Vector3 direction;
    public static bool IsCanClickBtn = true;
    public static int panoramaID = 0;
    public Text TextName;
    void Start()
    {
        Left.onClick.AddListener(LeftMoveToRight);
        Right.onClick.AddListener(RightMoveToLeft);
    }
    void Update()
    {
        //平板端未测试
        if (Input.touchCount > 0)
        {
            Touch touch = Input.GetTouch(0);
            switch (touch.phase)
            {
                case TouchPhase.Began:
                    startPos = touch.position;
                    break;
                case TouchPhase.Moved: {
                        stayPos = touch.position;
                        if ((startPos - stayPos).magnitude >= 100)
                            IsCanClickBtn = false;
                    }
                    break;
                case TouchPhase.Ended:{
                        endPos = touch.position;
                        direction = (startPos - endPos);
                        if (direction.magnitude >= 100)
                        {
                            IsCanClickBtn = false;
                            if (Math.Abs(direction.x) > Math.Abs(direction.y))
                            {
                                if (startPos.x > endPos.x)
                                    RightMoveToLeft();
                                else
                                    LeftMoveToRight();
                            }
                        }
                    }
                    break;
            }
        }
        //桌面端已测试
        if (Input.GetMouseButtonDown(0))
        {
            startPos = Input.mousePosition;
        }
        if (Input.GetMouseButton(0))
        {
            stayPos = Input.mousePosition;
            if ((startPos - stayPos).magnitude >= 100)
            {
                IsCanClickBtn = false;
            }
        }
        if (Input.GetMouseButtonUp(0))
        {
            endPos = Input.mousePosition;
            direction = (startPos - endPos);
            if (direction.magnitude >= 100)
            {
                IsCanClickBtn = false;
                if (Math.Abs(direction.x) > Math.Abs(direction.y))
                {
                    if (startPos.x > endPos.x)
                        RightMoveToLeft();
                    else
                        LeftMoveToRight();
                }
            }
        }
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            Application.Quit();
        }
    }
    void LeftMoveToRight()
    {
        string str = Imgs.GetChild(0).GetChild(0).GetComponent().sprite.name;
        string result = Regex.Replace(str, @"[^0-9]+", "");
        int imgId = int.Parse(result);
        for (int i = 0; i < Imgs.childCount; i++)
        {    
            if (Imgs.GetChild(i).localPosition.x == 300)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(0));
                img.DOLocalMoveX(0, 0f);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear).OnComplete(() => {
                    IsCanClickBtn = true;
                });
                if (imgId == 0)
                {
                    imgId = Sprite2D.Length - 1;
                }
                else
                {
                    imgId -= 1;
                }
                img.GetComponent().sprite = Sprite2D[imgId];
                img.GetComponent().color = new Color(1, 1, 1, 130 / 255f);
                panoramaID--;
                if (panoramaID == -1)
                {
                    panoramaID = Sprite2D.Length-1;
                }
            }
            else if(Imgs.GetChild(i).localPosition.x==-300)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(2));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 190 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == -150)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(4));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 255 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == 0)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(3));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 190 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == 150)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(1));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 130 / 255f);
            }
        }
        string textA = Sprite2D[panoramaID].name;
        TextName.text = Regex.Replace(textA, @"d", "");
    }
    void RightMoveToLeft()
    {
        string str = Imgs.GetChild(1).GetChild(0).GetComponent().sprite.name;
        string result = Regex.Replace(str, @"[^0-9]+", "");
        int imgId = int.Parse(result);
        for (int i = 0; i < Imgs.childCount; i++)
        {
            if (Imgs.GetChild(i).localPosition.x == -300)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(1));
                img.DOLocalMoveX(0, 0f);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear).OnComplete(() => {
                    IsCanClickBtn = true;
                });
                img.GetComponent().color = new Color(1, 1, 1, 130 / 255f);
                if (imgId == Sprite2D.Length - 1)
                    imgId = 0;
                else
                    imgId += 1;
                img.GetComponent().sprite = Sprite2D[imgId];
                panoramaID++;
                if (panoramaID == Sprite2D.Length)
                    panoramaID = 0;
            }
            else if (Imgs.GetChild(i).localPosition.x == -150)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(0));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 130 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == 0)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(2));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 190 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == 150)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(4));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 255 / 255f);
            }
            else if (Imgs.GetChild(i).localPosition.x == 300)
            {
                Transform img = Imgs.GetChild(i).GetChild(0);
                img.SetParent(Imgs.GetChild(3));
                img.DOLocalMoveX(0, moveSpeed).SetEase(Ease.Linear);
                img.DOScale(1f, moveSpeed).SetEase(Ease.Linear);
                img.GetComponent().color = new Color(1, 1, 1, 190 / 255f);
            }
        }
        string textA = Sprite2D[panoramaID].name;
        TextName.text = Regex.Replace(textA, @"d", "");
    }
}

图片面板布局：

布局中的-300_0.7等组件属性为空，-300_0.7表示此组件x相对坐标为-300，组件scale属性为0.7。

Sprite2D的0号位图片在0_1子对象img（Imgs.GetChild(4)），
Sprite2D的1号位图片在150_0.85（Imgs.GetChild(3)），
Sprite2D的2号位图片在300_0.7（Imgs.GetChild(1)），
Sprite2D的倒数第一号位图片在-150_0.85（Imgs.GetChild(2)），
Sprite2D的倒数第二号位图片在-300_0.7（Imgs.GetChild(0)）。

补充：精灵图片命名需要带唯一数字标识符获取当前精灵编号满足int imgId = int.Parse(result)代码，并严格排序。

实现效果：
原生JS层叠图片轮播展示代码

简化后的代码，不利于让人直观分析：

using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using System.Text.RegularExpressions;

public class CardMove : MonoBehaviour
{
    public Sprite[] Sprite2D;
    Transform Imgs;
    int imgId = 0;

    void Start()
    {
        Imgs = transform.Find("Imgs");
        transform.Find("LeftBtn").GetComponent().onClick.AddListener(() => { LeftMoveToRight(true); });
        transform.Find("RightBtn").GetComponent().onClick.AddListener(() => { LeftMoveToRight(false); });
    }

    void LeftMoveToRight(bool IsLeft)
    {
        imgId = IsLeft == true ? GetImgId(0) : GetImgId(1);
        for (int i = 0; i < Imgs.childCount; i++)
        {
            int k = i;
            Transform img = Imgs.GetChild(k).GetChild(0);
            float posX = Imgs.GetChild(i).localPosition.x;
            if (posX == 300)
            {
                if (IsLeft)
                {
                    SetHoming(img, 0, 130, false);
                    if (imgId == 0) { imgId = Sprite2D.Length - 1; } else { imgId--; }
                    img.GetComponent().sprite = Sprite2D[imgId];
                }
                else { SetHoming(img, 3, 190, true); }
            }
            else if (posX == -300) {
                if (IsLeft) { SetHoming(img, 2, 190, true); }
                else
                {
                    SetHoming(img, 1, 130, false);
                    if (imgId == Sprite2D.Length - 1) { imgId = 0; } else { imgId++; }
                    img.GetComponent().sprite = Sprite2D[imgId];
                }
            }
            else if (posX == 150) { if (IsLeft){ SetHoming(img, 1, 130, true); } else { SetHoming(img, 4, 255, true); } }
            else if (posX == -150) { if (IsLeft){SetHoming(img, 4, 255, true); } else { SetHoming(img, 0, 130, true); } }
            else if (posX == 0) { if (IsLeft) {  SetHoming(img, 3, 190, true); } else { SetHoming(img, 2, 190, true); } }
            }
        }
    }

    void SetHoming(Transform img, int index, int rgbA, bool isbreak)
    {
        img.SetParent(Imgs.GetChild(index));
        img.DOLocalMoveX(0, isbreak == true ? 0.2f : 0).SetEase(Ease.Linear);
        img.DOScale(1f, 0.2f).SetEase(Ease.Linear);
        img.GetComponent().color = new Color(1, 1, 1, rgbA / 255f);
    }

    int GetImgId(int childId)
    {
        string str = Imgs.GetChild(childId).GetChild(0).GetComponent().sprite.name;
        string result = Regex.Replace(str, @"[^0-9]+", "");
        return int.Parse(result);
    }
}