brick.java

新功能坦克大战

import java.awt.*;
import javax.swing.*;
import java.io.*;
public class Brick extends JFrame {
    
    TankFrame tankFrame;
    int num=300;
    Wall wall[]=new Wall[num];
    int grade;
    int x,y;
    int c;
    int no=0;
    Brick(TankFrame tankFrame,int grade) throws Exception{  
        this.tankFrame=tankFrame;
        this.grade=grade;       
        ShowWall();
    }
    public void ShowWall() throws Exception{
        x=0;
        y=40;
        FileReader fr=new FileReader(grade+".txt");
        while((c=(int)fr.read())!=-1){   
            if(c==59){
                y+=20;
                x=0;
            }
            else if((c-48)==0){
                x+=20;
            }
            else if((c-48==1)){
                wall[no]=new Wall(x,y,1,tankFrame);
                x+=20;
                no++;
            }
            else if(c-48==2){
                wall[no]=new Wall(x,y,2,tankFrame);
                x+=20;
                no++;
            }
        }
        fr.close();
    }
    public void paint(Graphics g){
        for(int i=0;i<num;i++){
            if(wall[i]!=null)
                wall[i].draw(g);
        }
    }
}