missile.java

坦克大战的代码 自己写的 部分内容没有完成

import java.awt.*;
import java.awt.event.*;



//import EnemyTank.Direction;

public class Missile {
	int x,y;
	Tank.Direction ptdir;
	//EnemyTank.Direction eptdir;
	int mspeed = 10;
	boolean live = true;
	
	public Missile(int x, int y, Tank.Direction dir) {
		this.x = x + 10;
		this.y = y + 10;
		this.ptdir = dir;
	}
	
	/*public Missile(int x, int y, EnemyTank.Direction eptdir) {
		this.x = x + 10;
		this.y = y + 10;
		this.eptdir = eptdir;
	}*/
	
	
	public void draw(Graphics g) {
		Color c = g.getColor();
		g.setColor(Color.black);
		g.fillOval(x, y, 10, 10);
		g.setColor(c);
		move();
	}
	
	public void move() {
		switch(ptdir) {
		case LEFT :
			x -= mspeed;
			break;
		case LEFT_UP :
			x -= mspeed;
			y -= mspeed;
			break;
		case UP :
			y -= mspeed;
			break;
		case RIGHT_UP :
			x += mspeed;
			y -= mspeed;
			break;
		case RIGHT :
			x += mspeed;
			break;
		case RIGHT_DOWN :
			x += mspeed;
			y += mspeed;
			break;
		case DOWN :
			y += mspeed;
			break;
		case LEFT_DOWN :
			x -= mspeed;
			y += mspeed;
			break;
		}
	}
	
	public Rectangle getRect() {
		return new Rectangle(x, y, 10, 10);
	}
	
	public boolean bang(EnemyTank tank) {
		if(this.getRect().intersects(tank.getRect()) && tank.live)
			{
			tank.live = false;
			this.live = false;
			return true;
			}
			
		return false;
	}
}