Wed Jun 28 07:21:00 UTC 2023 inscode

src/utils/index.js

@@ -68,12 +68,10 @@ export function checkWin({ row, col, board, player, win_size, direction }) {
  * @returns {number[]} 
  */
 export function robotPlay(board, robot, win_size) {
-  // 深度复制一份棋盘 
-  const _board = JSON.parse(JSON.stringify(board))
   const maxScorePos = {};
   let maxScore = -1;
   // 空位
-  const empty_points = _board.map((item, row) => {
+  const empty_points = board.map((item, row) => {
     return item.flatMap((_item, col) => _item === is_empty ? [[row, col]] : [])
   }).flat(1)
 
@@ -85,28 +83,25 @@ export function robotPlay(board, robot, win_size) {
     const [i, j] = point;
 
     // 判断下子后是否获胜
-    _board[i][j] = is_white;
-    const win = checkWin({ row: i, col: j, board: _board, player: robot, win_size });
+    const win = checkWin({ row: i, col: j, board, player: robot, win_size });
     if (win.length >= win_size) {
       return [i, j]
     } else {
       // 判断对手是否能在下一步获胜
-      const oppWin = checkWin({ row: i, col: j, board: _board, player: is_black, win_size });
+      const oppWin = checkWin({ row: i, col: j, board, player: is_black, win_size });
       if (oppWin.length >= win_size) {
         return [i, j]
       } else {
         // 计算当前棋盘局面的得分
-        const horizontal = checkWin({ row: i, col: j, board: _board, player: is_black, win_size, direction: getDirection("horizontal") });
-        const vertical = checkWin({ row: i, col: j, board: _board, player: is_black, win_size, direction: getDirection("vertical") });
-        const diagonalDown = checkWin({ row: i, col: j, board: _board, player: is_black, win_size, direction: getDirection("diagonalDown") });
-        const diagonalUp = checkWin({ row: i, col: j, board: _board, player: is_black, win_size, direction: getDirection("diagonalUp") });
+        const horizontal = checkWin({ row: i, col: j, board, player: is_black, win_size, direction: getDirection("horizontal") });
+        const vertical = checkWin({ row: i, col: j, board, player: is_black, win_size, direction: getDirection("vertical") });
+        const diagonalDown = checkWin({ row: i, col: j, board, player: is_black, win_size, direction: getDirection("diagonalDown") });
+        const diagonalUp = checkWin({ row: i, col: j, board, player: is_black, win_size, direction: getDirection("diagonalUp") });
 
         score = Math.max(horizontal.length, vertical.length, diagonalDown.length, diagonalUp.length);
       }
     }
 
-    _board[i][j] = is_empty; // 恢复棋盘状态
-
     // 选取分数最高的空位
     if (score > maxScore) {
       maxScorePos.x = i;