【新提醒】【Unity使用DoTween实现照片墙效果】

using DG.Tweening;

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.EventSystems;

  

public class MyTest : MonoBehaviour {

  

    public RectTransform prefab;

  

    int row = 10;       // 行

    int column = 20;        // 列

  

    int startXPos = 60;

    int startZPos = -100;

  

    float distanceRandomMinX = 55;

    float distanceRandomMaxX = 65;

  

    float distanceRandomMinY = 60;

    float distanceRandomMaxY = 60;

  

    float initMoveDistance = 1200;

  

    float enlargeSize = 5;

  

    float radiateSize = 220;

  

    List<List<RectTransform>> goList;

    Dictionary<RectTransform, Vector2> itemPosDict;

    List<RectTransform> changedItemList;

  

    // Use this for initialization

    void Start () {

  

        goList = new List<List<RectTransform>>();

        itemPosDict = new Dictionary<RectTransform, Vector2>();

        changedItemList = new List<RectTransform>();

  

        CreateGos();

    }

  

  

    void CreateGos()

    {

        // 生成所有物体，并添加到字典

        for (int i = 0; i < row; i++)

        {

            List<RectTransform> gos = new List<RectTransform>();

            goList.Add(gos);

            float lastPosX = 0;

            for (int j = 0; j < column; j++)

            {

                RectTransform item = (Instantiate(prefab.gameObject) as GameObject).GetComponent<RectTransform>();

                item.name = i + " " + j;

                item.transform.SetParent(transform);

                Vector2 startPos = new Vector3(Random.Range(distanceRandomMinX, distanceRandomMaxX) + lastPosX, startZPos - i * Random.Range(distanceRandomMinY, distanceRandomMaxY));

                item.anchoredPosition = startPos;

                Vector2 endPos = new Vector3(startPos.x - initMoveDistance, startZPos - i * Random.Range(distanceRandomMinY, distanceRandomMaxY));

                Tweener tweener = item.DOAnchorPosX(endPos.x, Random.Range(1.8f, 2f));  // 缓动到目标位置

                tweener.SetDelay(j * 0.1f + (row - i) * 0.1f);      // 延时

                tweener.SetEase(Ease.InSine);           // 缓动效果

                item.gameObject.SetActive(true);

                gos.Add(item);

                itemPosDict.Add(item, endPos);

  

                lastPosX = item.anchoredPosition.x;

            }

        }

    }

  

  

    public void OnMousePointEnter(RectTransform item)

    {

        // 缓动改变中心物体尺寸

        item.DOScale(enlargeSize, 0.5f);

  

        Vector2 pos = itemPosDict[item];

  

        changedItemList = new List<RectTransform>();

  

        // 添加扩散物体到集合

        foreach (KeyValuePair<RectTransform, Vector2> i in itemPosDict)

        {

            if(Vector2.Distance(i.Value, pos) < radiateSize)

            {

                changedItemList.Add(i.Key);

            }

        }

  

        // 缓动来解决扩散物体的动画

        for (int i = 0; i < changedItemList.Count; i++)

        {

            Vector2 targetPos = itemPosDict[item] + (itemPosDict[changedItemList[i]] - itemPosDict[item]).normalized * radiateSize;

            changedItemList[i].DOAnchorPos(targetPos, 0.8f);

        }

    }

  

    public void OnMousePointExit(RectTransform go)

    {

        // 缓动恢复中心物体尺寸

        go.DOScale(1, 1);

        // 缓动将扩散物体恢复到初始位置

        for (int i = 0; i < changedItemList.Count; i++)

        {

            changedItemList[i].DOAnchorPos(itemPosDict[changedItemList[i]], 0.8f);

        }

    }

}