player.java

Java自己做的小游戏

import javax.microedition.lcdui.Font;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

public class player extends brick
{
	static boolean leftMove=false;
	static boolean rightMove=false;
	static int fraction=0;
	static int fractionBuffer=0;
	static int playerLv=1;//挡板长度等级
	static int life=3;
	int playerLvLong=5;//挡板等级长度偏差值/2
	int playerLvBuffer=1;
	int speed=3;
	int playerX;
	int playerY;
	Image playerImg=null;
	myCanvas mc;
	public player(myCanvas mc)
	{
		super(1,1,1,mc);
		this.mc=mc;
		initRes() ;
		playerX=(mc.getWidth()-playerImg.getWidth())/2;
		if(mc.getHeight()<mc.backGround.getHeight())
		playerY=mc.getHeight()-playerImg.getHeight()-1;
		else
		playerY=mc.backGroundY+mc.backGround.getHeight()-playerImg.getHeight()-7;
		brickX=playerX;
		brickY=playerY;
	}
	public void initRes() 
	{
		playerLvBuffer=playerLv;
		try
		{
			playerImg=Image.createImage("/player"+playerLv+".png");
		}
		catch(Exception e)
		{
			e.printStackTrace();
			System.out.println("player.playerImg图片加载错误");
		}
		brickImg=playerImg;
		brickH=playerImg.getHeight();//挡板的高度
		brickW=playerImg.getWidth();//挡板的宽度
		brickX=playerX;
		brickY=playerY;
	}
	public void paint(Graphics g)
	{
		if(playerLvBuffer!=playerLv)
		{
			if(playerLvBuffer<playerLv)
				playerX-=playerLvLong;
			if(playerLvBuffer>playerLv)
				playerX+=playerLvLong;
			initRes();
		}
		if(fractionBuffer<fraction)
			fractionBuffer++;
		else if(fractionBuffer>fraction)
			fractionBuffer--;
		g.setColor(0xffffff);
		g.setClip(mc.backGroundX, mc.backGroundY, mc.backGround.getWidth(), 25);
		Font font=Font.getFont(Font.FACE_MONOSPACE, Font.STYLE_BOLD, Font.SIZE_MEDIUM);
		g.setFont(font);
		g.drawString("生命:"+life, mc.backGroundX+3+1, mc.backGroundY+3+1, 0);
		g.drawString("关卡:"+myCanvas.level, mc.getWidth()/2-30, mc.backGroundY+3+1, 0);
		//g.drawString("分数:"+fractionBuffer, mc.backGroundX+mc.backGround.getWidth()-6-65, mc.backGroundY+3+1, 0);
		g.setColor(0x000000);
		g.setClip(playerX, playerY, playerImg.getWidth(), playerImg.getHeight());
		g.fillRect(playerX, playerY, playerImg.getWidth(), playerImg.getHeight());
		g.drawImage(playerImg, playerX, playerY, 0);
	}
	public void move()
	{
		brickX=playerX;
		brickY=playerY;
		if(leftMove==true)
		{
			playerX-=speed;
		}
		if(rightMove==true)
		{
			playerX+=speed;
		}
		if(playerX<mc.backGroundX+3)
		{
			playerX=mc.backGroundX+3;
		}
		else if(playerX+playerImg.getWidth()>mc.backGroundX+mc.backGround.getWidth()-3)
		{
			playerX=mc.backGroundX+mc.backGround.getWidth()-3-playerImg.getWidth();
		}
	}
}