ttt.java

利用j2me写的一个小程序

import java.util.Random;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ttt extends MIDlet{
	Display display;
	public void startApp(){
		display=Display.getDisplay(this);
		maps m1=new maps();
		display.setCurrent(m1);
	}
	public void pauseApp(){
	}
	public void destroyApp(boolean xxx){
	}
}
 
class bullet extends Thread{
	int x;
	int y;
	boolean bl;
		bullet(boolean bl){
		x=-100;
		y=-100;
		this.bl=bl;
		start();	
		} 
		public void run(){
			while(true){
				try{
				Thread.sleep(20);
				}catch(Exception e){}
			if(bl==true)y-=5;
			if(bl==false)y+=3;
			}	
		}
		void shout(int x,int y){
		this.x=new Integer(x).intValue();
		this.y=new Integer(y).intValue();
		}
		void hit(){
		this.x=-100;
		this.y=-100;
		
		}
	}

	class maps extends Canvas implements Runnable{
		int x=82,y=157;	
		int yy;
		int fenshu=0;
		String str="小兵";
		String s="荣誉值:";
		Image image;
		Image ima;
		Image i;
		Image zdi;
		Image zdi2;
		Image bobo;
		Image bo;
		Random rnd=new Random();
		int px[]=new int[10];
		int py[]=new int[10];
		int bx=-100;
		int by=-100;
		int box=-100;
		int boy=-100;
		bullet b[]=new bullet[30];
		bullet b2[]=new bullet[10];
		int zdt=0;
		int zdt2=0;
	public maps(){
		for(int i=0;i<30;i++){
			b[i]=new bullet(true);
		}
		for(int i=0;i<10;i++){
			b2[i]=new bullet(false);
		}
		yy=getHeight();
		try{
		image=Image.createImage("/飞机像素图.png");
		Image image1=Image.createImage(180,getHeight());
		Graphics gg=image1.getGraphics();
		gg.drawImage(image,0,getHeight(),36);
		Image image2=Image.createImage(180,getHeight()+1000);
		gg=image2.getGraphics();
		gg.drawImage(image,0,getHeight(),Graphics.LEFT|Graphics.TOP);
		gg.drawImage(image1,0,0,Graphics.LEFT|Graphics.TOP);
		image=image2;
		i=Image.createImage("/animyplant.png");
		ima=Image.createImage("/plant.png");
		zdi=Image.createImage("/未标题-2.png");
		zdi2=Image.createImage("/未标题-1.png");
		bobo=Image.createImage("/爆炸.png");
		bo=Image.createImage("/plantbo.png");
		}catch(Exception e){}
		new Thread(this).start();
	}
	public String jibie(){
		switch(fenshu){
		case 0:
			str="小兵";
			break;
		case 10:
			str="副班长";
			break;
		case 20:
			str="班长";
			break;
		case 30:
			str="副排长";
			break;
		case 50:
			str="排长";
			break;
		case 100:
			str="副连长";
			break;
		case 150:
			str="连长";
			break;
		case 220:
			str="副营长";
			break;
		case 350:
			str="营长";
			break;
		case 500:
			str="副团长";
			break;
		case 750:
			str="团长";
			break;
		case 1000:
			str="副旅长";
			break;
		case 1550:
			str="旅长";
			break;
		case 2150:
			str="副师长";
			break;
		case 3150:
			str="师长";
			break;
		case 5000:
			str="副军长";
			break;
		case 6350:
			str="军长";
			break;
		case 12750:
			str="司令";
			break;
		}
		return str;
	}
	public void rnd(){
		for(int j=0;j<10;j++){
			px[j]=rnd.nextInt(getWidth()-i.getWidth()+1);
		}
	}
	public void paint(Graphics g){
		g.setColor(0x000000);
		g.fillRect(0,0,getWidth(),getHeight());
		g.drawImage(image,0,yy,36);
		for(int j=0;j<10;j++){
			g.drawImage(zdi2,b2[j].x+5,b2[j].y+20,20);
			g.drawImage(i,px[j],py[j],20);
			g.drawImage(bobo,bx,by,20);
		}	
		for(int i=0;i<30;i++){
		g.drawImage(zdi,b[i].x+5,b[i].y,20);
		}
		g.drawImage(ima, x, y, Graphics.LEFT|Graphics.TOP);
		g.drawImage(bo, box, boy, Graphics.LEFT|Graphics.TOP);//
		g.setColor(163, 70, 255);
		g.setFont(Font.getFont(32, 2, 0));
		g.drawString(jibie(), 0, getHeight(), 36);
		g.drawString(s+fenshu, getWidth(), 0, Graphics.TOP|Graphics.RIGHT);
	}
	public void keyPressed(int keyCode){
		switch(keyCode){
		case -1:
			y-=5;
			break;
		case -2:
			y+=5;
			break;
		case -3:
			x-=5;
			break;
		case -4:
			x+=5;
			break;
		case 49:
			b[zdt++].shout(x,y);
			if(zdt==30)zdt=0;
			break;
			
		}
		if(x<0)x=0;if(x>165)x=165;if(y<0)y=0;if(y>157)y=157;
	}
	public void keyRepeated(int keyCode){
		switch(keyCode){
		case -1:
			y-=8;
			break;
		case -2:
			y+=8;
			break;
		case -3:
			x-=8;
			break;
		case -4:
			x+=8;
			break;
		case 49:
			b[zdt++].shout(x,y);
			if(zdt==30)zdt=0;
			break;
		}
		if(x<0)x=0;if(x>165)x=165;if(y<0)y=0;if(y>157)y=157;
	}
	public void scroll(){
		while(true){
			try{
			Thread.sleep(40);
			}catch(Exception e){}
			yy+=1;
			bx=-100;by=-100;
			box=-100;boy=-100;
			if(yy==1000+getHeight())yy=getHeight();
	
			for(int j=0;j<10;j++){
			px[j]+=rnd.nextInt()%4;
			py[j]+=Math.abs(rnd.nextInt()%5+1);
			
			if(py[j]==-100)py[j]=-rnd.nextInt(51);
			if(py[j]<=rnd.nextInt(150) && py[j]>=0 && (b2[j].y>getHeight()||b2[j].y==-100)){
				b2[j].x=px[j];
				b2[j].y=py[j];
			}
			if(px[j]<0)px[j]=0;
			if(px[j]>getWidth()-i.getWidth())px[j]=getWidth()-i.getWidth();
			if(py[j]>getHeight()){
				py[j]=-rnd.nextInt(51);
				px[j]=rnd.nextInt(getWidth()-i.getWidth()+1);
				fenshu-=10;//如果让敌机逃离,扣10分/架;
			}
			}
			crush();
			repaint();
		}
	}	
	public void run(){
		rnd();
		scroll();
	}
	public void crush(){
		for(int i=0;i<10;i++){
			if((b2[i].x-x)*(b2[i].x-x)+(b2[i].y-y)*(b2[i].y-y)<=225){
				box=x;boy=y;
				fenshu-=10;
				b2[i].hit();
			}
		}
		
		for(int i=0;i<10;i++){	
			if((x-px[i])*(x-px[i])+(y-py[i])*(y-py[i])<=400){
				bx=px[i];by=py[i];
				py[i]=-100;
				box=x;boy=y;
				fenshu-=10;
			if(fenshu<0){		}	///////////游戏结束
			}
			for(int j=0;j<30;j++){
				if((b[j].x-px[i])*(b[j].x-px[i])+(b[j].y-py[i])*(b[j].y-py[i])<=225){
					bx=px[i];by=py[i];
					fenshu+=10;
					b[j].hit();
					py[i]=-100;
				}else if(b[j].y<-5)b[j].hit();
			}
		}
	}
}