坦克大战（一期）-设计模式-装饰者模式应用到子弹上-有bug版

src/main/java/com/msb/TankDemo.java

@@ -12,7 +12,8 @@ public class TankDemo {
          TankFrame tankFrame = new TankFrame();
          //现实当中，虽然可以过按键来改变方块的坐标并且重新刷新画板来实现移动，但是敌方的坦克应该是自动在跑
          while (true) {
-             Thread.sleep(50);
+//             Thread.sleep(50);
+             Thread.sleep(1000);
              tankFrame.repaint();
          }
     }

src/main/java/com/msb/decorator/GODecoratory.java

@@ -0,0 +1,29 @@
+package com.msb.decorator;/**
+ * @Author bingor
+ * @Date 2022/10/13 10:19
+ * @Description: com.msb.decorator
+ * @Version: 1.0
+ */
+
+import com.msb.model.abstracts.GameObject;
+
+import java.awt.*;
+
+/**
+ *@ClassName GODecoratory
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/13 10:19
+ *@Version 3.0
+ */
+public abstract class GODecoratory extends GameObject {
+
+    protected GameObject gameObject;
+
+    public GODecoratory(GameObject gameObject) {
+        this.gameObject = gameObject;
+    }
+
+    @Override
+    public abstract void paint(Graphics g);
+}

src/main/java/com/msb/decorator/RectDecorator.java

@@ -0,0 +1,48 @@
+package com.msb.decorator;/**
+ * @Author bingor
+ * @Date 2022/10/13 10:23
+ * @Description: com.msb.decorator
+ * @Version: 1.0
+ */
+
+import com.msb.model.abstracts.GameObject;
+
+import java.awt.*;
+
+/**
+ *@ClassName RectDecorator
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/13 10:23
+ *@Version 3.0
+ */
+public class RectDecorator extends GODecoratory {
+
+    public RectDecorator(GameObject gameObject) {
+        super(gameObject);
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        this.x = gameObject.x;
+        this.y = gameObject.y;
+        gameObject.paint(g);     //原来的样式
+
+        //需要装饰的样式
+        Color color = g.getColor();
+        g.setColor(Color.WHITE);
+        g.drawRect(super.gameObject.x, super.gameObject.y, super.gameObject.getWidth()+2, super.gameObject.getHeight()+2);
+//        g.drawRect(this.x, this.y, getWidth()+2, getHeight()+2);
+        g.setColor(color);
+    }
+
+    @Override
+    public int getWidth() {
+        return super.gameObject.getWidth();
+    }
+
+    @Override
+    public int getHeight() {
+        return super.gameObject.getHeight();
+    }
+}

src/main/java/com/msb/decorator/TailDecorator.java

@@ -0,0 +1,49 @@
+package com.msb.decorator;/**
+ * @Author bingor
+ * @Date 2022/10/13 10:23
+ * @Description: com.msb.decorator
+ * @Version: 1.0
+ */
+
+import com.msb.model.abstracts.GameObject;
+
+import java.awt.*;
+
+/**
+ *@ClassName RectDecorator
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/13 10:23
+ *@Version 3.0
+ */
+public class TailDecorator extends GODecoratory {
+
+    public TailDecorator(GameObject gameObject) {
+        super(gameObject);
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        this.x = gameObject.x;
+        this.y = gameObject.y;
+        gameObject.paint(g);     //原来的样式
+
+        //需要装饰的样式
+        Color color = g.getColor();
+        g.setColor(Color.YELLOW);
+//        g.drawLine(super.gameObject.x, super.gameObject.y, super.gameObject.x+getWidth(), super.gameObject.y+getHeight());
+//        g.drawLine(gameObject.x, gameObject.y, gameObject.x+getWidth(), gameObject.y+getHeight());
+        g.drawLine(this.x, this.y, this.x+getWidth(), this.y+getHeight());
+        g.setColor(color);
+    }
+
+    @Override
+    public int getWidth() {
+        return super.gameObject.getWidth();
+    }
+
+    @Override
+    public int getHeight() {
+        return super.gameObject.getHeight();
+    }
+}

src/main/java/com/msb/inter/impl/DefaultFireStrategy.java

@@ -5,7 +5,10 @@ package com.msb.inter.impl;/**
  * @Version: 1.0
  */
 
+import com.msb.decorator.RectDecorator;
+import com.msb.decorator.TailDecorator;
 import com.msb.model.Bullet;
+import com.msb.model.GameModel;
 import com.msb.model.Tank;
 import com.msb.inter.FireStrategy;
 
@@ -22,6 +25,13 @@ public class DefaultFireStrategy implements FireStrategy {
         int bX = tank.getX() + Tank.WIDTH/2 - Bullet.WIDTH/2;
         int bY = tank.getY()+Tank.HEIGHT/2-Bullet.HEIGHT/2;
 //        new Bullet(bX, bY, tank.getDir(), tank.getGroup(), tank.getGameModel());
-        new Bullet(bX, bY, tank.getDir(), tank.getGroup());
+//        new Bullet(bX, bY, tank.getDir(), tank.getGroup());
+        GameModel.INSTANCE.add(
+            new RectDecorator(
+                new TailDecorator(
+                    new Bullet(bX, bY, tank.getDir(), tank.getGroup())
+                )
+            )
+        );
     }
 }

src/main/java/com/msb/model/Bullet.java

@@ -63,6 +63,16 @@ public class Bullet extends GameObject {
         moving();
     }
 
+    @Override
+    public int getWidth() {
+        return WIDTH;
+    }
+
+    @Override
+    public int getHeight() {
+        return HEIGHT;
+    }
+
     public void moving() {
 
         switch (dir) {

src/main/java/com/msb/model/Explode.java

@@ -46,4 +46,14 @@ public class Explode extends GameObject {
         return y;
     }
 
+    @Override
+    public int getWidth() {
+        return WIDTH;
+    }
+
+    @Override
+    public int getHeight() {
+        return HEIGHT;
+    }
+
 }

src/main/java/com/msb/model/Tank.java

@@ -171,4 +171,14 @@ public class Tank extends GameObject {
         this.x = this.oldX;
         this.y = this.oldY;
     }
+
+    @Override
+    public int getWidth() {
+        return WIDTH;
+    }
+
+    @Override
+    public int getHeight() {
+        return HEIGHT;
+    }
 }

src/main/java/com/msb/model/Wall.java

@@ -37,10 +37,12 @@ public class Wall extends GameObject {
         g.setColor(color);
     }
 
+    @Override
     public int getWidth() {
         return width;
     }
 
+    @Override
     public int getHeight() {
         return height;
     }

src/main/java/com/msb/model/abstracts/GameObject.java

@@ -15,6 +15,9 @@ import java.awt.*;
  *@Version 3.0
  */
 public abstract class GameObject {
-    protected int x,y;
+//    protected int x,y;
+    public int x,y;
     public abstract void paint(Graphics g);
+    public abstract int getWidth();
+    public abstract int getHeight();
 }