Branch dev

Missile.java

@@ -0,0 +1,171 @@
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Rectangle;
+import java.util.List;
+
+public class Missile {
+    public static final int WIDTH = 10, HEIGHT = 10;
+    public static final int SPEED = 7;
+    public static final int KILL = 10;
+
+    private int x;
+    private int y;
+    private Direction dir;
+    private TankClient tc;
+    private boolean live = true;
+    private boolean role;
+    private Color color;
+
+    /**
+     * default constructor
+     * 
+     * @param x coordinate x
+     * @param y coordinate y
+     * @param dir missile direction
+     * @param role missile role
+     * @param tc reference of controller
+     */
+    public Missile(int x, int y, Direction dir, boolean role, TankClient tc) {
+        this.x = x;
+        this.y = y;
+        this.dir = dir;
+        this.tc = tc;
+        this.role = role;
+        this.color = this.role ? new Color(0xff, 0xce, 0x0e) : new Color(0x9d, 0x90, 0x87);
+    }
+
+    /**
+     * draw missile
+     * 
+     * @param g graphics class
+     */
+    public void draw(Graphics g) {
+        if (!this.live) {
+            tc.missiles.remove(this);
+            return;
+        }
+
+        Color c = g.getColor();
+        g.setColor(this.color);
+        g.fillOval(this.x, this.y, WIDTH, HEIGHT);
+        g.setColor(c);
+
+        this.move();
+    }
+
+    /**
+     * cross boundary check
+     */
+    public void crossCheck() {
+        if (this.x < 0 || this.x > TankClient.WIDTH || this.y < 0 || this.y > TankClient.HEIGHT) {
+            this.live = false;
+        }
+    }
+
+    /**
+     * missile move
+     */
+    public void move() {
+        switch (this.dir) {
+            case U:
+                this.y -= SPEED;
+                break;
+            case LU:
+                this.x -= SPEED;
+                this.y -= SPEED;
+                break;
+            case L:
+                this.x -= SPEED;
+                break;
+            case LD:
+                this.x -= SPEED;
+                this.y += SPEED;
+                break;
+            case D:
+                this.y += SPEED;
+                break;
+            case RD:
+                this.x += SPEED;
+                this.y += SPEED;
+                break;
+            case R:
+                this.x += SPEED;
+                break;
+            case RU:
+                this.x += SPEED;
+                this.y -= SPEED;
+                break;
+            default:
+                this.x += SPEED;
+                break;
+        }
+
+        this.crossCheck();
+    }
+
+    /**
+     * get rectangle of missile
+     * 
+     * @return rectangle
+     */
+    public Rectangle getRect() {
+        return new Rectangle(this.x, this.y, WIDTH, HEIGHT);
+    }
+
+    /**
+     * hit tank
+     * 
+     * @param t tank
+     * @return boolean
+     */
+    public boolean hitTank(Tank t) {
+        if (this.live && this.getRect().intersects(t.getRect()) && t.isLive()
+                && this.role != t.getRole()) {
+            t.setLife();
+
+            // life calculate
+            if (t.getLife() <= 0) {
+                t.setLive();
+            }
+            this.live = false;
+            // explode effect
+            Explode e = new Explode(this.x, this.y, this.tc);
+            tc.explodes.add(e);
+            return true;
+        }
+
+        return false;
+    }
+
+
+    /**
+     * hit a lot of tanks
+     * 
+     * @param tanks
+     * @return hit or not hit
+     */
+    public boolean hitTanks(List<Tank> tanks) {
+        for (int i = 0; i < tanks.size(); i++) {
+            if (hitTank(tanks.get(i))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+    /**
+     * hit against the wall
+     * 
+     * @param w the wall
+     * @return hit or not hit
+     */
+    public boolean againstWall(Wall w) {
+        if (this.getRect().intersects(w.getRect())) {
+            this.live = false;
+            return true;
+        } else {
+            return false;
+        }
+    }
+}

README.md

@@ -2,3 +2,4 @@ TankWar
 =======
 
 用J2SE写的一个坦克大战小游戏，巩固一下java基础
+这是我的第一个代码