坦克游戏

package com.bjsxt.tank; import java.awt.*; import java.util.List; public class Missile { public static final int XSPEED = 10; public static final int YSPEED = 10; public static final int WIDTH = 10; public static final int HEIGHT = 10; private boolean live = true; int x, y; Tank.Direction dir; private TankClient tc; private boolean good; public Missile(int x, int y, Tank.Direction dir) { this.x = x; this.y = y; this.dir = dir; } public Missile(int x, int y, boolean good, Tank.Direction dir, TankClient tc) { this(x, y, dir); this.good = good; this.tc = tc; } public void draw(Graphics g) { if(!live) { tc.missiles.remove(this); return; } Color c = g.getColor(); g.setColor(Color.BLACK); g.fillOval(x, y, WIDTH, HEIGHT); g.setColor(c); move(); } private void move() { switch(dir) { case L: x -= XSPEED; break; case LU: x -= XSPEED; y -= YSPEED; break; case U: y -= YSPEED; break; case RU: x += XSPEED; y -= YSPEED; break; case R: x += XSPEED; break; case RD: x += XSPEED; y += YSPEED; break; case D: y += YSPEED; break; case LD: x -= XSPEED; y += YSPEED; break; } if(x < 0 || y < 0 || x > TankClient.GAME_WIDTH || y > TankClient.GAME_HEIGHT) { live = false; } } public boolean isLive() { return live; } public Rectangle getRect() { //用来分析碰撞的类 return new Rectangle(x, y, WIDTH, HEIGHT); } public boolean hitTank(Tank t) { if(this.live && this.getRect().intersects(t.getRect()) && t.isLive() && this.good != t.isGood()) { if(t.isGood()) { t.setLife(t.getLife() - 20); if(t.getLife() <= 0) t.setLive(false); }else { t.setLive(false); } this.live = false; Explode e = new Explode(x, y, tc); tc.explodes.add(e); return true; }else { return false; } } public boolean hitTanks(List<Tank> tanks) { for(int i=0; i<tanks.size(); i++) { if(hitTank(tanks.get(i))) { return true; } } return false; } public boolean hitWall(Wall w) { if(this.live && this.getRect().intersects(w.getRect())) { this.live = false; return true; } return false; } }