坦克大战(一期)-画出敌方坦克

src/com/msb/TankDemo.java

@@ -11,6 +11,11 @@ public class TankDemo {
     public static void main(String[] args) throws InterruptedException {
          TankFrame tankFrame = new TankFrame();
 
+         //创建5个敌方坦克
+        for (int i=0; i<5; i++) {
+            tankFrame.tanks.add(new Tank(100 + i*80, 100, DirEnum.DOWN, 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);

src/com/msb/TankFrame.java

@@ -17,9 +17,10 @@ import java.util.Objects;
  */
 public class TankFrame extends Frame {
 
-    Tank tank = new Tank(200, 200, DirEnum.RIGHT, this);
+    Tank tank = new Tank(100, 500, DirEnum.RIGHT, this);
 //    Bullet bullet = new Bullet(200, 200, DirEnum.DOWN);
     List<Bullet> bullets = new ArrayList<>();
+    List<Tank> tanks = new ArrayList<>();   //敌方坦克
     public static final int GAME_WIDTH = 800;
     public static final int GAME_HEIGHT = 600;
 
@@ -51,6 +52,12 @@ public class TankFrame extends Frame {
         g.drawString("子弹的数量：" + bullets.size(), 10, 60);
         g.setColor(color);
         tank.paint(g);
+
+        //画出敌方坦克
+        for (Tank tank : tanks) {
+            tank.paint(g);
+        }
+
         for (int i=0; i<bullets.size(); i++) {
             bullets.get(i).paint(g);
         }