Unity 挤压四周效果

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;

public class ToChangeImages:MonoBehaviour {
    float enlargeSize = 2.0f;

    float radiateSize = 220;

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

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

    public RectTransform[] item;



    // Use this for initialization
    void Start() {
        StartThis();
    }

    void StartThis() {
        for (int i = 0; i < item.Length; i++) {
            RectTransform item0 = item[i];
            //Vector2 startPos = item0.position;
            Vector2 startPos = item0.transform.localPosition;
            Debug.Log(startPos.ToString());
            itemPosDict.Add(item0, startPos);

        }
    }

    // Update is called once per frame
    void Update() {

    }

    public void OnMousePointEnter(RectTransform item1) {
        //缓动改变中心物体的尺寸
        item1.DOScale(enlargeSize, 0.5f);

        Vector2 pos = itemPosDict[item1];

        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[item1] + (itemPosDict[changedItemList[i]] - itemPosDict[item1]).normalized * radiateSize;
            changedItemList[i].DOAnchorPos(targetPos, 0.8f);
        }
    }

    public void OnMousePointExit(RectTransform go) {
        //缓动恢复中心物体的尺寸
        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);
        }
    }
}

 

 转载：https://blog.csdn.net/qq_17367039/article/details/124080719