escapee.java

一个刚刚找到的代码,很不错的,是个飞行游戏,上面是利用躲闪来玩的游戏

import javax.microedition.lcdui.game.*;
import javax.microedition.lcdui.*;


public class Escapee extends Sprite {
  private boolean isAlive;
  private boolean isMove = false;
  private int lifecount=0;
  public int lifetime=0;
  static final int SPEED = 3;
  static final int UP = 0;
  static final int LEFT = 1;
  static final int DOWN = 2;
  static final int RIGHT = 3;
  private int frameWidth,frameHeight;
  private int CanvasWidth,CanvasHeight;

  public Escapee(Image image,int frameWidth,int frameHeight){
    super(image,frameWidth,frameHeight);
    this.frameWidth = frameWidth;
    this.frameHeight = frameHeight;
    defineReferencePixel(frameWidth/2 , frameHeight/2 );
    reset();
  }

  public void draw(Graphics g){
    if(!isAlive)return;
    paint(g);
  }
  
  public void setCanvasSize(int CanvasWidth,int CanvasHeight){
    this.CanvasWidth = CanvasWidth;
    this.CanvasHeight = CanvasHeight;
  }
  public void setAlive(boolean isAlive){
    this.isAlive = isAlive;
  }
  public boolean isAlive(){
    return isAlive;
  }
  public void move(int direction){
    if(direction == UP){
    move(0,-SPEED);
    if(getY()<0)setPosition(getX(),0);
    setFrame(0);
    }
    if(direction == DOWN){
    move(0,SPEED);
    if(getY()>CanvasHeight-frameHeight)setPosition(getX(),CanvasHeight-frameHeight);
    setFrame(0);
    }
    if(direction == LEFT){
    move(-SPEED,0);
    if(getX()<0)setPosition(0,getY());
    setFrame(1);
    }
    if(direction == RIGHT){
    move(SPEED,0);
    if(getX()>CanvasWidth-frameWidth)setPosition(CanvasWidth-frameWidth,getY());
    setFrame(2);
    }
    isMove = true;
  }
  public void tick(){
    if(!isMove)setFrame(0);
    if(isMove)isMove = false;

  }
  public void reset(){
    isAlive=true;
    setFrame(0);
  }
}