missile.java

坦克大战的JAVA代码版

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;
   int x,y;
   Tank.Direction dir;

private boolean good;
private boolean live=true;
private TankClient tc;

public boolean isLive() {
	return live;
}

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.WHITE);
	g.fillOval(x, y, WIDTH, HEIGHT);
	g.setColor(c);
	
	move();
}
public 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;
		tc.missiles.remove(this);
	}
		
}
public Rectangle getRect(){
	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.isBGood()){
	if(t.isBGood()){
		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;
}	
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;
}
}