mymissile.java

来自「j2me手机游戏。只开发了一部份。。可能可以让初学者学到一点。 开发环境mid」· Java 代码 · 共 51 行

import java.io.IOException;

import javax.microedition.lcdui.*;


class MyMissile extends Sprite {
	
	private MyShip myShip=new MyShip();
	private Image fire1,fire0,fire2;
	int x1,x2,x3;
	int y1,y2,y3;
	int i=0;
	MyMissile() {
		try {
			fire1=Image.createImage("/tshot1.png");
			fire0=Image.createImage("/tshot0.png");
			fire2=Image.createImage("/tshot2.png");
		} catch (IOException e) {}
		
		//设定宽度与高度
		
		width = 2;
		height = 6;
		x=myShip.getX()+31;
		y=myShip.getY()-26;
	}

	
	void doMove() {
		
		
		if(this.isAlive) {
			i++;
			
			
		}
	}

	
	void doDraw(Graphics g) {
		if(this.isAlive) {
			g.drawImage(fire1,x-i*5,y-i*5-12,Graphics.TOP|Graphics.LEFT);
			
			g.drawImage(fire0,x,y-i*5-12,Graphics.TOP|Graphics.LEFT);
		   
			g.drawImage(fire2,x+i*5,y-i*5-12,Graphics.TOP|Graphics.LEFT);
		}
	}
}