From d77b7b1ed23b4c7cd5481ecc1b1b575d76ee143b Mon Sep 17 00:00:00 2001 From: Jian Hu Date: Fri, 24 Jun 2022 18:14:57 +0800 Subject: [PATCH] =?UTF-8?q?course3=20=E7=A2=B0=E6=92=9E=E6=A3=80=E6=B5=8B?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/坦克大战笔记.docx | Bin 74039 -> 74602 bytes src/com/demo/tank/course3/Bullet.java | 13 +++++++++++++ src/com/demo/tank/course3/MainV3.java | 4 ++++ src/com/demo/tank/course3/Tank.java | 14 ++++++++++++++ src/com/demo/tank/course3/TankFrameV3.java | 15 ++++++++++++++- 5 files changed, 45 insertions(+), 1 deletion(-) diff --git a/docs/坦克大战笔记.docx b/docs/坦克大战笔记.docx index c95876479e8251da84c99286479b9ff3f939ba72..bd38f63435780fab6e9114bab4d48aef47ea8a80 100644 GIT binary patch delta 8721 zcmY+KRan#y(C=BgyG1&syFt2 zaxT6X^GtkZo`DP@ACDq8a${f#BMi}ckRl+&V}R1cFqnXqdd@zY(H}@UjN&U5PTP#S z9E}5CG8;JE8MSGh#NpPUN;j~GFSylrjnR$Y3Cx^B@0F@q*|z)RnHx*HS^9?iw6}~k zC6z0PxciaKAewZ!j}O@_ttJJ-&jsb#c0A%9OEz6MY6Bzo?eh 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Bullet { } } + //检测是否跟坦克碰撞 + public void collideWith(Tank tank){ + Rectangle bulletRect = new Rectangle(x, y, WIDTH, HEIGHT); + Rectangle tankRect = new Rectangle(tank.getX(), tank.getY(), Tank.WIDTH, Tank.HEIGHT); + if(bulletRect.intersects(tankRect)){ + tank.die(); + this.die(); + } + } + + private void die() { + this.live = false; + } public int getX() { return x; diff --git a/src/com/demo/tank/course3/MainV3.java b/src/com/demo/tank/course3/MainV3.java index d486bf9..ffd0a53 100644 --- a/src/com/demo/tank/course3/MainV3.java +++ b/src/com/demo/tank/course3/MainV3.java @@ -5,6 +5,10 @@ import java.io.IOException; public class MainV3 { public static void main(String[] args) throws InterruptedException, IOException { TankFrameV3 tf = new TankFrameV3(); + for(int i = 0; i < 5; i++){ + tf.enemyTanks.add(new Tank(50 + i*80, 200, Direction.DOWN, tf)); + } + while (true){ Thread.sleep(50); tf.repaint(); diff --git a/src/com/demo/tank/course3/Tank.java b/src/com/demo/tank/course3/Tank.java index 7ba28b3..cd30222 100644 --- a/src/com/demo/tank/course3/Tank.java +++ b/src/com/demo/tank/course3/Tank.java @@ -7,6 +7,7 @@ public class Tank { private Direction dir; private static final int SPEED = 10; private boolean moving; + private boolean living = true; private TankFrameV3 tankFrame; public static final int WIDTH = ResourceManager.tankD.getWidth(); public static final int HEIGHT = ResourceManager.tankD.getHeight(); @@ -20,6 +21,7 @@ public class Tank { } public void paint(Graphics g) { + if(!living) tankFrame.enemyTanks.remove(this); //根据方向绘制坦克 switch (dir){ case UP: @@ -55,6 +57,10 @@ public class Tank { } } + public void die(){ + this.living = false; + } + public int getX() { return x; } @@ -87,6 +93,14 @@ public class Tank { this.moving = moving; } + public boolean isLiving() { + return living; + } + + public void setLiving(boolean living) { + this.living = living; + } + public void fire() { int bx = x + Tank.WIDTH/2 - Bullet.WIDTH/2; int by = y + Tank.HEIGHT/2 - Bullet.HEIGHT/2; diff --git a/src/com/demo/tank/course3/TankFrameV3.java b/src/com/demo/tank/course3/TankFrameV3.java index 62573ab..a994fea 100644 --- a/src/com/demo/tank/course3/TankFrameV3.java +++ b/src/com/demo/tank/course3/TankFrameV3.java @@ -16,10 +16,11 @@ public class TankFrameV3 extends Frame { Tank tank = new Tank(500, 500, Direction.UP, this); // Bullet bullet = new Bullet(520, 440, Direction.UP); List bullets = new ArrayList(); + List enemyTanks = new ArrayList<>(); public TankFrameV3(){ setVisible(true); - setBounds(200, 200 , GAME_WIDTH, GAME_HEIGHT); + setBounds(500, 200 , GAME_WIDTH, GAME_HEIGHT); setResizable(false); setTitle("tank war"); this.addKeyListener(new MyKeyListener()); @@ -51,12 +52,24 @@ public class TankFrameV3 extends Frame { Color color = g.getColor(); g.setColor(Color.WHITE); g.drawString("当前子弹数量:" + bullets.size(), 60, 50); + g.drawString("当前敌人数量:" + enemyTanks.size(), 60, 80); g.setColor(color); tank.paint(g); + + for(int i = 0; i< enemyTanks.size(); i++){ + enemyTanks.get(i).paint(g); + } + for (int i = 0; i< bullets.size(); i++){ bullets.get(i).paint(g); } + + for(int i = 0; i< bullets.size(); i++){ + for(int j=0; j< enemyTanks.size(); j++){ + bullets.get(i).collideWith(enemyTanks.get(j)); + } + } // for(Iterator it = bullets.iterator(); it.hasNext();){ // Bullet b = it.next(); // if(!b.isLive()){