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注释

简单的随机生成UI且不发生重叠，可以修改算法进行更深入的探索

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class CellInfo
{/// <summary>/// 物体位置/// </summary>public Vector2 pos;/// <summary>/// 物体宽/// </summary>public float width;/// <summary>/// 物体高/// </summary>public float height;
}/// <summary>
/// 屏幕随机生成文字并不叠加
/// </summary>public class TextTest : MonoBehaviour
{/// <summary>/// 外面的父级/// </summary>public RectTransform parent;/// <summary>/// 想要显示的子物体集合/// </summary>[Header("想要显示的子物体集合")]public List<GameObject> cells = new List<GameObject>();/// <summary>/// 已经存在的子物体信息/// </summary>private List<CellInfo> hadCells = new List<CellInfo>();/// <summary>/// 最大尝试的次数/// </summary>[Header("最大尝试的次数")]public int maxIndex;private void Update(){if (Input.GetKeyDown(KeyCode.Space)){StartCoroutine(CreateGameObject());}}/// <summary>/// 生成图片/// </summary>/// <returns></returns>public IEnumerator CreateGameObject(){int i = 0;while (i < cells.Count){float ItmeWidth = cells[i].GetComponent<RectTransform>().rect.width / 2;float ItmeHeigh = cells[i].GetComponent<RectTransform>().rect.height / 2;Vector2 cellPos = new Vector2(Random.Range(ItmeWidth, parent.rect.width - ItmeWidth),Random.Range(ItmeHeigh, parent.rect.height - ItmeHeigh));//尝试更新新坐标的次数int index = 0;while (index < maxIndex){if (i == 0 || (i != 0 && TwoPointDistance2D2(cellPos, ItmeWidth, ItmeHeigh))){CellInfo cellinfo = new CellInfo();cellinfo.pos = cellPos;cellinfo.width = ItmeWidth;cellinfo.height = ItmeHeigh;hadCells.Add(cellinfo);GameObject obj = Instantiate<GameObject>(cells[i], parent);obj.GetComponent<RectTransform>().position = cellPos;break;}index++;}i++;yield return null;}}/// <summary>/// 进行距离比较/// </summary>/// <param name="p1"></param>/// <param name="p2"></param>/// <returns></returns>private bool TwoPointDistance2D2(Vector2 currentPos, float w, float h){float x1 = currentPos.x - w;float x2 = currentPos.x + w;float y1 = currentPos.y - h;float y2 = currentPos.y + h;for (int i = 0; i < hadCells.Count; i++){float x11 = hadCells[i].pos.x - hadCells[i].width;float x22 = hadCells[i].pos.x + hadCells[i].width;float y11 = hadCells[i].pos.y - hadCells[i].height;float y22 = hadCells[i].pos.y + hadCells[i].height;if ((x2 < x11 || x1 > x22) && (y1 > y22 || y2 < y11)){continue;}else{return false;}}return true;}
}