From 3131dbdfb5b15e91d4f389a42eae2704ae74d674 Mon Sep 17 00:00:00 2001
From: kn5886348135 <56352848+kn5886348135@users.noreply.github.com>
Date: Tue, 22 Nov 2022 17:02:08 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BE=B9=E7=95=8C=E6=A3=80=E6=B5=8B?=
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---
 src/main/java/com/example/tankbattle/Tank.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/main/java/com/example/tankbattle/Tank.java b/src/main/java/com/example/tankbattle/Tank.java
index ba1ab4d..aaa80c3 100644
--- a/src/main/java/com/example/tankbattle/Tank.java
+++ b/src/main/java/com/example/tankbattle/Tank.java
@@ -86,6 +86,24 @@ public class Tank {
         if (this.group == Group.BAD && random.nextInt(100) > 95) {
             randomDir();
         }
+
+        boundsCheck();
+    }
+
+    private void boundsCheck() {
+        if (this.x < 0) {
+            this.x = 2;
+        }
+        if (this.y < 28) {
+            this.y = 28;
+        }
+
+        if (this.x > TankFrame.GAME_WIDTH - Tank.WIDTH) {
+            this.x = TankFrame.GAME_WIDTH - Tank.WIDTH;
+        }
+        if (this.y > TankFrame.GAME_HEIGHT - Tank.HEIGHT) {
+            this.y = TankFrame.GAME_HEIGHT - Tank.HEIGHT;
+        }
     }
 
     private void randomDir() {