Java模擬實現掃雷功能
阿新 • • 發佈：2020-07-21
1 //棋子 2 public class Chess { 3 private boolean isBoomb=false; 4 private int id;//下標 5 6 //點選方法 7 public int click(IChessBoard cb) { 8 if (isBoomb) { 9 System.out.println("觸雷"); 10 return -1; 11 } 12 13 //獲取自己的所有鄰居，把自己的ID傳過去，然後進行判斷每個鄰居是否是炸彈14 ArrayList<Chess> neig = cb.getNei(id); //cb.getNei();回撥函式 15 int cnt = 0; 16 for (Chess c : neig) { 17 if (c.isBoomb) { 18 cnt++;//如果是雷 19 } 20 } 21 // 22 return cnt; 23 } 24 25 26 //構造方法 27 publicChess(int id) { 28 this.id = id; 29 } 30 31 public boolean isBoomb() { 32 return isBoomb; 33 } 34 35 public void setBoomb(boolean boomb) { 36 isBoomb = boomb; 37 } 38 39 public int getId() { 40 return id; 41 } 42 43 public void setId(intid) { 44 this.id = id; 45 } 46 }
1 /** 2 * //得到一個引數，把此引數的所有鄰居放到數組裡 3 * 4 * @authorliuwenlong 5 * @create2020-07-21 13:57:14 6 */ 7 //棋盤類 8 @SuppressWarnings("all") 9 public class ChessBoard implements IChessBoard { 10 private ArrayList<Chess> board = new ArrayList<>();//構造一個隨機數的地雷畫板 11 private int maxx; 12 private int miny; 13 private int boomNum; 14 15 public ChessBoard(int maxx, int miny, int boomNum) { 16 this.maxx = maxx; 17 this.miny = miny; 18 this.boomNum = boomNum; 19 initBoard();//初始化要呼叫一下 20 } 21 22 //------------------------------------- 23 //獲取一個棋子 24 public Chess getChess(int x, int y) { 25 return getChess(y * maxx + x); 26 } 27 28 public Chess getChess(int id) { 29 return board.get(id); 30 } 31 //----------------------------------- 32 33 public int getBoomNum() { 34 return boomNum; 35 } 36 37 public void setBoomNum(int boomNum) { 38 this.boomNum = boomNum; 39 } 40 41 public int getMaxx() { 42 return maxx; 43 } 44 45 public void setMaxx(int maxx) { 46 this.maxx = maxx; 47 } 48 49 public int getMiny() { 50 return miny; 51 } 52 53 public void setMiny(int miny) { 54 this.miny = miny; 55 } 56 57 public void initBoard() { 58 //構造棋子 59 for (int i = 0; i < (maxx * miny); i++) { 60 board.add(new Chess(i)); //在棋子構造方法內使用static自增 61 } 62 63 //生成一些雷 64 //生成15個不重複的隨機數，ArrayList<Integer> mineIds = 。。 65 // mineIds = ChessBoard.getRandom(mineIds, 0, maxx * miny); 66 // for (int i = 0; i < boomNum; i++) { //使用foreach 67 // board.[i].setBoomb(true); 68 // //board.get(i).setBoomb(true); 69 // } 70 ArrayList<Integer> mineIds = getRandom(0, 99, 15); 71 // for (int i = 0; i < boomNum; i++) { 72 // board.get(i).setBoomb(true); 73 // } 74 for (int i : mineIds) { 75 board.get(i).setBoomb(true); 76 } 77 } 78 79 // int id = y*maxx+x;下標 80 public void showBoard() { 81 for (int i = 0; i < maxx; i++) { 82 String line = ""; 83 for (int j = 0; j < maxx; j++) { 84 int id = i * maxx + j; 85 Chess c = board.get(id); 86 if (c.isBoomb()) { 87 line += 1 + " "; 88 } else { 89 line += 0 + " "; 90 } 91 } 92 System.out.println(line); 93 } 94 } 95 96 97 /** 98 * 隨機生成 N--M,N個不重複隨機數 使用ArrayList 99 * 100 * @param startRange 起始數字 101 * @param endRange 終止數字 102 * @param count 個數 103 */ 104 public static ArrayList<Integer> getRandom(int startRange, int endRange, int count) { 105 ArrayList<Integer> arr = new ArrayList<>(); 106 for (int i = 0; i < count; i++) { 107 arr.add(((int) (Math.random() * (endRange - startRange + 1) + startRange))); 108 for (int j = 0; j < i; j++) { 109 if (arr.get(i) == arr.get(j)) { 110 arr.remove(i); 111 i--; 112 break; 113 } 114 } 115 } 116 return arr; 117 } 118 119 120 //給一個下標，算出該id周圍所有鄰居 121 @Override 122 public ArrayList<Chess> getNei(int id) { 123 124 //根據下標轉換座標 125 //整除 id/maxx--y座標 126 //取餘 id%max --x 座標 127 int x0 = id % maxx; 128 int y0 = id / maxx; 129 130 //鄰居列表 131 ArrayList<Chess> nei = new ArrayList<>(); 132 for (int ydlt = -1; ydlt < 2; ydlt++) { 133 int y = y0 + ydlt; 134 if (y < 0 || y >= miny) { //miny 135 continue; 136 } 137 for (int xdlt = -1; xdlt < 2; xdlt++) { 138 int x = x0 + xdlt; 139 if (x < 0 || x >= maxx || (xdlt == 0 && ydlt == 0)) { 140 continue; 141 } 142 143 //這個棋子是鄰居,根據座標換成下標 144 int cid = y * maxx + x; 145 nei.add(board.get(cid)); 146 } 147 } 148 return nei; 149 } 150 151 152 public ArrayList<Chess> getNei(int x, int y) { 153 154 return getNei(y * maxx + x); //座標轉下標 155 } 156 }
1 /** 2 * @authorliuwenlong 3 * @create2020-07-21 14:01:38 4 */ 5 @SuppressWarnings("all") 6 public interface IChessBoard { 7 //告訴我哪一個棋子 8 public ArrayList<Chess> getNei(int id); 9 }
1 /** 2 * @authorliuwenlong 3 * @create2020-07-21 14:28:09 4 */ 5 @SuppressWarnings("all") 6 public class Test { 7 public static void main(String[] args) { 8 ChessBoard cb = new ChessBoard(10, 10, 15); 9 cb.showBoard(); 10 System.out.println("點選的'X'座標為："); 11 int x = new Scanner(System.in).nextInt(); 12 System.out.println("點選的'Y'座標為："); 13 int y = new Scanner(System.in).nextInt(); 14 int number = cb.getChess(x, y).click(cb); 15 if (number>=0){ 16 System.out.println("共有"+number+"個雷"); 17 } 18 } 19 }