随机世界生成2

1.可以用柏林算法生成上下起伏的2d地表（自己改下就行）

https://blog.csdn.net/u010019717/article/details/72673225

2.看起来不错

https://indienova.com/indie-game-development/procedural-content-generation-tile-based-random-cave-map/

作者改进 https://blog.csdn.net/lly20000/article/details/76764629

3.unity提供的

https://blog.csdn.net/l773575310/article/details/72803191

5.随机多边形地图生成

https://blog.csdn.net/liqiang981/article/details/76522508

 4.2d游戏水流动算法

https://indienova.com/indie-game-development/grid-based-water-simulation/

【基于2自己写了个】

（用之前文章代码改的 https://www.cnblogs.com/sanyejun/p/9298592.html）

（代码没整理比较乱，复制粘贴就能用）

鼠标左键销毁格子

右键生成格子

Q键平滑洞穴

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Tilemaps;

public class CreateTileMap : MonoBehaviour {

    public Tilemap tilemap;//引用的Tilemap
    public Tile baseTile;//使用的最基本的Tile，我这里是白色块，然后根据数据设置不同颜色生成不同Tile
    Tile[] arrTiles;//生成的Tile数组

    int[,] mapArray;

    void Awake()
    {
        //ins = this;
    }
    void Start()
    {
        
        StartCoroutine(InitData());
    }
    void Update()
    {
        //销毁墙体
        if (Input.GetMouseButtonDown(0))
        {
            Vector3 mousePosition = Input.mousePosition;
            Vector3 wordPosition = Camera.main.ScreenToWorldPoint(mousePosition);
            Vector3Int cellPosition = tilemap.WorldToCell(wordPosition);
            //tilemap.SetTile(cellPosition, gameUI.GetSelectColor().colorData.mTile);
            TileBase tb = tilemap.GetTile(cellPosition);
            if (tb == null)
            {
                return;
            }
            //tb.hideFlags = HideFlags.None;
            Debug.Log("鼠标坐标" + mousePosition + "世界" + wordPosition + "cell" + cellPosition + "tb" + tb.name);
            //某个地方设置为空，就是把那个地方小格子销毁了
            tilemap.SetTile(cellPosition, null);
            //tilemap.RefreshAllTiles();
        }

        //空白地方创造墙体
        if (Input.GetMouseButtonDown(1))
        {
            Vector3 mousePosition = Input.mousePosition;
            Vector3 wordPosition = Camera.main.ScreenToWorldPoint(mousePosition);
            Vector3Int cellPosition = tilemap.WorldToCell(wordPosition);
            //tilemap.SetTile(cellPosition, gameUI.GetSelectColor().colorData.mTile);
            TileBase tb = tilemap.GetTile(cellPosition);
            if (tb != null)
            {
                return;
            }
            //tb.hideFlags = HideFlags.None;
            //Debug.Log("鼠标坐标" + mousePosition + "世界" + wordPosition + "cell" + cellPosition + "tb" + tb.name);
            //格子填充
            tilemap.SetTile(cellPosition, baseTile);
            //tilemap.RefreshAllTiles();
        }

        //再次平滑洞穴
        if (Input.GetKeyDown(KeyCode.Q))
        {
            StartCoroutine(PingHua(levelW, levelH));
        }
    }

    //大地图宽高
    int levelW = 100;
    int levelH = 100;

    /// <summary>
    /// 地图生成
    /// </summary>
    /// <returns></returns>
    IEnumerator InitData()
    {

        mapArray = new int[levelW, levelH];

        int colorCount = 6;
        arrTiles = new Tile[colorCount];
        for (int i = 0; i < colorCount; i++)
        {
            //想做生命墙，需要自己做个数据层，对应索引id就行
            arrTiles[i] = ScriptableObject.CreateInstance<Tile>();//创建Tile，注意，要使用这种方式
            arrTiles[i].sprite = baseTile.sprite;
            arrTiles[i].color = new Color(Random.Range(0f, 1f), Random.Range(0f, 1f), Random.Range(0f, 1f), 1);
        }
        for (int i = 0; i < levelH; i++)
        {//这里就是设置每个Tile的信息了
            for (int j = 0; j < levelW; j++)
            {
                //50%概率
                if (Random.value < 0.5f)
                {
                    tilemap.SetTile(new Vector3Int(j, i, 0), arrTiles[Random.Range(0, arrTiles.Length)]);
                    mapArray[i, j] = 1;
                }
                else
                {
                    tilemap.SetTile(new Vector3Int(j, i, 0), null);
                    mapArray[i, j] = 0;
                }
                //tilemap.SetTile(new Vector3Int(j, i, 0), arrTiles[Random.Range(0, arrTiles.Length)]);
            }
            yield return null;
        }

        StartCoroutine(PingHua(levelH, levelW));

        while (true)
        {
            yield return new WaitForSeconds(2);
            // int colorIdx = Random.Range(0, colorCount);//前面这个是随机将某个块的颜色改变，然后让Tilemap更新，主要用来更新Tile的变化
            // arrTiles[colorIdx].color = new Color(Random.Range(0f, 1f), Random.Range(0f,1f), Random.Range(0f, 1f), 1);
            // tilemap.RefreshAllTiles();

            Color c = tilemap.color;//这里是改变Tilemap的颜色，尝试是否可以整体变色
            c.a -= Time.deltaTime;
            tilemap.color = c;
        }
    }

    /// <summary>
    /// 生成平滑洞穴
    /// </summary>
    /// <param name="levelH"></param>
    /// <param name="levelW"></param>
    /// <returns></returns>
    public IEnumerator PingHua(int levelH, int levelW)
    {
        for (int i = 0; i < levelH; i++)
        {//这里就是设置每个Tile的信息了
            for (int j = 0; j < levelW; j++)
            {
                if (i !=0 && j != 0 && i != levelH -1 && j != levelW -1)
                {
                    int wuti = mapArray[i, j];
                    int c = GetCount(i, j);
                    if (wuti == 1)
                    {
                        mapArray[i, j] = (c >= 4) ? 1 : 0;
                    }
                    else if (wuti == 0)
                    {
                        mapArray[i, j] = (c >= 5) ? 1 : 0;
                    }
                    //draw
                    if (mapArray[i, j] == 1)
                    {
                        tilemap.SetTile(new Vector3Int(j, i, 0), baseTile);
                    }
                    else
                    {
                        tilemap.SetTile(new Vector3Int(j, i, 0), null);
                    }
                }
            }
            yield return null;
        }
    }

    public int GetCount(int i ,int j)
    {
        int x1 = mapArray[i - 1, j - 1];
        int x2 = mapArray[i - 1, j];
        int x3 = mapArray[i, j - 1];
        int x4 = mapArray[i + 1, j +1];
        int x5 = mapArray[i + 1, j];
        int x6 = mapArray[i, j + 1];
        int x7 = mapArray[i - 1, j + 1];
        int x8 = mapArray[i + 1, j - 1];
        return x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8;
    }
}

---------------------------2018年12月05日13:27:12--------------------------

随机地图生成器，非常强大   

WaveFunctionCollapse

https://github.com/mxgmn/WaveFunctionCollapse

https://cowlevel.net/article/1964746

-------------------------------2018年12月05日13:32:28------------------------------

体素地图编辑器：

Voxel Terrain ，自带网格合并

https://blog.csdn.net/qq_37125419/article/details/78339771

=========================2d随机地图生成========================

https://github.com/UnityTechnologies/ProceduralPatterns2D

-------------------------------元气骑士地图生成系统-------------------------------------

https://connect.unity.com/p/30fen-zhong-jian-yi-fu-ke-yuan-qi-qi-shi-di-tu-sheng-cheng-xi-tong?app=true