经典小游戏开发思路和算法之推箱子(2)

桃扇骨 2022-03-29 04:10 375阅读 0赞

**游戏简介**：推箱子是一个超经典的游戏，目的是锻炼玩家的逻辑思考能力。  
**游戏规则**：这个游戏是在一个正方形的棋盘上进行的，每一个方块表示一个地板或一面墙。地板可以通过，墙面不可以通过。地板上放置了箱子，一些地板被标记为储存位置。玩家被限定在棋盘上，可以水平或垂直移动到空的方块上（不会穿过墙或箱子）。箱子不得被推入其他箱子或墙壁，也不能被拉出。箱子的数量等于储存位置的数量。当所有箱子都被安放到储存地点时，游戏胜利。  
**开发思路**：首先是生成地图，用二维数组来储存地图信息，每个元素用不同的数字来标记不同的对象。(例如：0表示空白，1表示墙，2表示角色，3表示箱子，9表示终点(中间空余的值是为了方便添加其他颜色的箱子等))。  
地图的生成：通过遍历地图二维数组，读取每个元素的数值，根据数值标记生成不同的地图对象。也可用一维数组表示，其二维数组映射到一维数组的公式为： b\[i*n+j\]==a\[i\]\[j\].其中，设数组有m行n列，i，j分别表示数组内的行数和列数（0<i<m,o<j<n）.  
角色移动：使角色在9*9的一位数组中移动，其中左上角为原点。  
箱子移动：与角色移动相同。  
**游戏实现**：  
代码如下：

using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    
    public class Done_Build : MonoBehaviour
    {
        public static int[] temp_map;
        public int[] final_map;
        public GameObject[] destoryObj;
        public Sprite[] mapSprites;
        public bool playerDestory = false;
        public bool boxDestory = false;
    
    
        GameObject g;
    
        public GameObject mapPrefab;//地图的墙壁
        public GameObject playerPrefab;//角色
        public GameObject boxPrefab;//箱子
        public GameObject finalBoxPrefab;//到终点后的箱子
        public GameObject finalPrefab;//游戏获胜后刷新一张图片，用于提示游戏获胜。
    
        /// <summary>
        /// 数组初始化
        /// </summary>
        private void Awake()
        {
            
            final_map = new int[9 * 9];//传值数组
            temp_map = new int[]
                {
                    1, 1, 1, 1, 1, 0, 0, 0, 0,
                    1, 2, 0, 0, 1, 0, 0, 0, 0,
                    1, 0, 3, 0, 1, 0, 1, 1, 1,
                    1, 0, 3, 0, 1, 0, 1, 9, 1,
                    1, 1, 1, 3, 1, 1, 1, 9, 1,
                    0, 1, 1, 0, 0, 0, 0, 9, 1,
                    0, 1, 0, 0, 0, 1, 0, 0, 1,
                    0, 1, 0, 0, 0, 1, 1, 1, 1,
                    0, 1, 1, 1, 1, 1, 0, 0, 0
    
                };
    
            for (int i = 0; i < 9; i++)
            {
                for (int j = 0; j < 9; j++)
                {
                    final_map[j * 9 + i] = temp_map[j * 9 + i];
                }
            }
        }
    
    
    
        // Use this for initialization
        void Start()
        {
            BuildMap();
        }
    
        /// <summary>
        /// 地图初始化
        /// </summary>
        void BuildMap()
        {
    
            destoryObj = new GameObject[9 * 9];//用于销毁GameObject
    
            int i = 0;
            for (int y = 0; y < 9; y++)
            {
                for (int x = 0; x < 9; x++)
                {
                    
                   
                    switch (temp_map[i])
                    {
                        
                        case 1: //生成墙壁
                        case 0://无图
                    
                        g = Instantiate(mapPrefab) as GameObject;
                        g.transform.position = new Vector3(x, -y, 0);
                        g.name = x.ToString() + y;
    
                        destoryObj[y * 9 + x] = g;
    
                        Sprite icon = mapSprites[temp_map[i]];//使贴图与地图数组吻合
                        g.GetComponent<SpriteRenderer>().sprite = icon;
                            break;
                            
                        case 2://生成人物
    
                        g = Instantiate(playerPrefab) as GameObject;
                        g.transform.position = new Vector3(x, -y, 0);
                        g.name = "Player";
    
                        destoryObj[y * 9 + x] = g;
                            break;
    
                        
                        case 3://生成箱子
    
                        g = Instantiate(boxPrefab) as GameObject;
                        g.transform.position = new Vector3(x, -y, 0);
                        g.name = "Box";
    
                        destoryObj[y * 9 + x] = g;
                            break;
                            
                    }
                    if (i < 80)
                    {
                        i++;
                    }
                }
            }
        }
        
        /// <summary>
        /// 角色移动
        /// </summary>
        void PlayerMove()
        {//获取各项数值
    
            int x, y;
            int x_num = 0;
            int y_num = 0;
    
            //获取Player坐标
            Transform playerPos = GameObject.Find("Player").GetComponent<Transform>();
            x = (int)playerPos.position.x;
            y = (int)playerPos.position.y;
    
            //获取界面移动坐标数值
            x_num = FindObjectOfType<Done_GameController>().x_num;
            y_num = FindObjectOfType<Done_GameController>().y_num;
    
            //获取动画 一定要放在销毁Player前
            string animator_name = FindObjectOfType<Done_GameController>().animator_name;
    
            //销毁原有Player
            Destroy(destoryObj[-y*9+x]);
    
           
            g = Instantiate(playerPrefab) as GameObject;
    
            g.GetComponent<Animator>().Play(animator_name);
            g.transform.position = new Vector3(x + x_num, y + y_num, 0);
            g.name = "Player";
    
            //将新的Player存入销毁数组
            destoryObj[-((y + y_num) * 9) + x + x_num] = g;
            playerDestory = false;
        }
        /// <summary>
        /// 箱子移动
        /// </summary>
        void BoxMove()
        {//获取各项数值
    
            int x, y;
            int x_num = 0;
            int y_num = 0;
    
    
            //获取界面移动坐标数值及Box界面编号
            x_num = FindObjectOfType<Done_GameController>().x_num;
            y_num = FindObjectOfType<Done_GameController>().y_num;
    
    
            //获取相应Box坐标
            Transform playerPos = GameObject.Find("Player").GetComponent<Transform>();
            x = (int)playerPos.position.x + x_num;//Player的X坐标+x_num为下一个目标点的X坐标，即为相应Box的X坐标，Y同理
            y = (int)playerPos.position.y + y_num;
    
            //销毁原有Box
            Destroy(destoryObj[-y * 9 + x]);
            
            if (final_map[-((y + y_num) * 9) + x + x_num]== 0 || final_map[-((y + y_num) * 9) + x + x_num] == 3)
            {
                g = Instantiate(boxPrefab) as GameObject;
                g.transform.position = new Vector3(x + x_num, y + y_num, 0);
                g.name = "Box";
            }
    
            else if (final_map[-((y + y_num) * 9) + x + x_num] == 9)
            {
                g = Instantiate(finalBoxPrefab) as GameObject;
                g.transform.position = new Vector3(x + x_num, y + y_num, 0);
                g.name = "FinalBox";
            }
            //将新的Box存入销毁数组
            destoryObj[-((y + y_num) * 9) + x + x_num] = g;
            playerDestory = false;
            boxDestory = false;
        }
    
        private void Update()
        {
            if (playerDestory)//如果Player移动并且原有Player需要销毁
            {
                if (boxDestory)//如果Box移动并且原有Box需要销毁
                {
                    BoxMove();
                }
                PlayerMove();
            }
            //游戏结束判定
            if (GameObject.Find("Box") == null&&GameObject.Find("Final")==null)
            {
                g = Instantiate(finalPrefab) as GameObject;
                g.transform.position = new Vector3(4, -4, 0);
                g.name = "Final";
            }
        }
    }

using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;
    
    public class Done_GameController : MonoBehaviour {
        
        
        public int x_num = 0;
        public int y_num = 0;
        public bool IsChange = false;
        public int box_num;
        public string animator_name;
     
    
    
      
        
      
    
        // Use this for initialization
        void Start()
        {
          
        }
    
        public bool IsMove()
        {
            int x, y;
            
            //获取Player坐标
            Transform playerPos = GameObject.Find("Player").GetComponent<Transform>();
            x = (int)playerPos.position.x;
            y = (int)playerPos.position.y;
    
            GameObject g;
    
    
    
            // 如果人物下一个运动目标点为空
            
            if ((Done_Build.temp_map[-y * 9 + x + (int)dir] == 0 || Done_Build.temp_map[-y * 9 + x + (int)dir] == 9) && IsChange == true)
            {
                //改变数组内人物位置
                Done_Build.temp_map[-y * 9 + x] = 0;
                Done_Build.temp_map[-y * 9 + x + (int)dir] = 2;
    
                // 回传数据
                //FindObjectOfType<Done_Build>().temp_map = temp_map;
                IsChange = false;
                FindObjectOfType<Done_Build>().playerDestory = true;
                return true;
            }
    
            //如果人物下一个运动目标点为墙壁
            else if (Done_Build.temp_map[-y * 9 + x + (int)dir] == 1 && IsChange == true)
            {
                IsChange = false;
                return false;
            }
            //   如果人物下一个运动目标点为箱子
            else if (Done_Build.temp_map[-y * 9 + x + (int)dir] == 3 && (Done_Build.temp_map[-y * 9 + x + (int)dir*2] == 0 || Done_Build.temp_map[-y * 9 + x + (int)dir*2] == 9) && IsChange == true)         //temp_map[-y * 9 + x + array_num]：下一个运动目标点的数组位置
            {
    
    
                //改变数组内人物及箱子位置
                Done_Build.temp_map[-y * 9 + x] = 0;
                Done_Build.temp_map[-y * 9 + x + (int)dir] = 2;
                Done_Build.temp_map[-y * 9 + x + (int)dir*2] = 3;
    
                //回传数据
                //FindObjectOfType<Done_Build>().temp_map = temp_map;
                IsChange = false;
                FindObjectOfType<Done_Build>().playerDestory = true;
                FindObjectOfType<Done_Build>().boxDestory = true;
                return true;
    
            }
    
            return false;
        }
    
        public enum Direction { Up = -9,Down = 9,Left = -1,Right = 1}
        public Direction dir;
        // Update is called once per frame
        void Update()
        {
            if (Input.GetKeyDown(KeyCode.UpArrow)) { dir = Direction.Up; }
            if (Input.GetKeyDown(KeyCode.DownArrow)) { dir = Direction.Down; }
            if (Input.GetKeyDown(KeyCode.LeftArrow)) { dir = Direction.Left; }
            if (Input.GetKeyDown(KeyCode.RightArrow)) { dir = Direction.Right; }
    
            switch (dir)
            {
                case Direction.Up:
                    IsChange = true;
                    x_num = 0;                  //生成新Gameboject时的实际位置坐标
                    y_num = 1;
                    animator_name = "Up";       //动画控制
                    break;
    
                case Direction.Down:
                    IsChange = true;
                    x_num = 0;
                    y_num = -1;
                    animator_name = "Down";
                    break;
    
                case Direction.Left:
                    IsChange = true;
                    x_num = -1;
                    y_num = 0;
                    animator_name = "Left";
                    break;
                case Direction.Right:
                    IsChange = true;
                    x_num = 1;
                    y_num = 0;
                    animator_name = "Right";
                    break;
    
            }
                IsMove();
        }
    }