player.java

坦克游戏

import javax.microedition.lcdui.*;

public class Player
{
	int playerX,playerY;
	int speed;
	
	Image playerImage;
	int direction;
	boolean running;
	boolean isFire;	
	
	public Player()
	{
		try
		{
			playerImage = Image.createImage("/tank.png");
			
		}
		catch(Exception e){}
		playerX = (176-13) >> 1; // tank初始坐标
		playerY = (208-13);
		speed = 3;	
		direction = 0;
		
	}
	
	public void move()
	{
		if(direction == 0) 
		{
			playerY -= speed;
			if(playerY <= 0) playerY = 0;
		}
		if(direction == 1) 
		{
			playerX += speed;
			if(playerX >= (176-13)) playerX = (176-13);
		}	
		if(direction == 2) 
		{
			playerY += speed;
			if(playerY >= (208-13)) playerY = (208-13);  
		}	
		if(direction == 3)
		{
			playerX -= speed;
			if(playerX <= 0) playerX = 0;
		}		
	}		
	
	public void playerPaint(Graphics g)
	{
		g.translate(-g.getTranslateX(), -g.getTranslateY());
		g.translate(playerX,playerY);
		g.setClip(0,0,13,13);
		g.drawImage(playerImage,-13 * direction,0,0);
		g.setClip(0,0,176,208);
		g.translate(-g.getTranslateX(), -g.getTranslateY());
	}
}