From 0d6d11aaf77f637aad0a31d4ead1558a9f5cc333 Mon Sep 17 00:00:00 2001
From: 51hhh <zzhhh2005@gmail.com>
Date: Thu, 28 Aug 2025 09:29:44 +0800
Subject: [PATCH] =?UTF-8?q?[MF]=E6=9B=B4=E6=94=B9=E9=A3=9F=E7=89=A9?=
 =?UTF-8?q?=E7=94=9F=E6=88=90=E8=BF=9C=E7=A6=BB=E8=BE=B9=E7=95=8C?=
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---
 game/贪吃蛇/snake_game.html | 38 +++++++++++++++++++++++++++++++------
 1 file changed, 32 insertions(+), 6 deletions(-)

diff --git a/game/贪吃蛇/snake_game.html b/game/贪吃蛇/snake_game.html
index cb80cd0..3f97daa 100644
--- a/game/贪吃蛇/snake_game.html
+++ b/game/贪吃蛇/snake_game.html
@@ -947,17 +947,43 @@
             updateScoreDisplay();
         }
 
-        function generateFood() {
-            // 计算可用的网格单元数量
+function generateFood() {
             const numCols = CANVAS_WIDTH / GRID_SIZE;
             const numRows = CANVAS_HEIGHT / GRID_SIZE;
+            const boundaryPadding = 5; // 边界内5格不允许生成食物
+
+            // 计算食物生成的可允许范围
+            const minX = boundaryPadding;
+            const maxX = numCols - 1 - boundaryPadding; // -1 是因为索引从0开始
+            const minY = boundaryPadding;
+            const maxY = numRows - 1 - boundaryPadding;
+
+            // 确保有足够的空间生成食物
+            if (maxX < minX || maxY < minY) {
+                console.warn("游戏区域太小，无法满足边界限制！食物可能仍会在边界附近生成。");
+                // 在这种极端情况下，可以考虑放宽限制或结束游戏
+                // 为了当前问题，我们简单地继续，但开发者应知晓此情况
+            }
 
-            // 循环直到找到一个不在蛇身体上的食物位置
             let newFoodX, newFoodY;
+            let validPositionFound = false;
+            let attempts = 0;
+            const MAX_ATTEMPTS = 100; // 防止无限循环
+
             do {
-                newFoodX = Math.floor(Math.random() * numCols);
-                newFoodY = Math.floor(Math.random() * numRows);
-            } while (isFoodOnSnake(newFoodX, newFoodY)); // 检查是否与蛇重叠
+                // 在允许的范围内生成随机坐标
+                newFoodX = Math.floor(Math.random() * (maxX - minX + 1)) + minX;
+                newFoodY = Math.floor(Math.random() * (maxY - minY + 1)) + minY;
+
+                // 检查是否在蛇的身体上
+                validPositionFound = !isFoodOnSnake(newFoodX, newFoodY);
+                attempts++;
+                if (attempts > MAX_ATTEMPTS) {
+                    console.warn("未能找到有效的食物生成位置，可能由于蛇太长或区域限制。尝试放宽限制。");
+                    // 这里可以添加逻辑来放宽边界限制，或者简单地跳出循环（可能生成在蛇身上）
+                    break; 
+                }
+            } while (!validPositionFound);
 
             food = {
                 x: newFoodX,