www.pudn.com > spritebullet.rar > ShowPlane.java

package spriteplane; 
 
import javax.microedition.lcdui.*; 
import javax.microedition.lcdui.game.*; 
import spritebullet.*; 
public class ShowPlane 
    extends GameCanvas 
    implements CommandListener, Runnable { 
  int scnW, scnH; 
  Plane plane; 
  Graphics g; 
  Bullet bullets; 
  public ShowPlane() { 
    super(false); 
    scnW = getWidth(); 
    scnH = getHeight(); 
    addCommand(new Command("Exit", Command.EXIT, 1)); 
    setCommandListener(this); 
    g = this.getGraphics(); 
    plane = new Plane(g, scnW, scnH, 24, 24); 
    bullets = new Bullet(); 
    Thread t = new Thread(this); 
    t.start(); 
  } 
 
  public void commandAction(Command command, Displayable displayable) { 
    if (command.getCommandType() == Command.EXIT) { 
      MainMIDlet.quitApp(); 
    } 
  } 
 
  public void KeyInput() { 
    int key = this.getKeyStates(); 
    if ( (key & this.LEFT_PRESSED) != 0) { 
      plane.moveLeft(); 
    } 
    else if ( (key & this.RIGHT_PRESSED) != 0) { 
      plane.moveRight(); 
    } 
    if ( (key & this.UP_PRESSED) != 0) { 
      plane.moveUp(); 
    } 
    else if ( (key & this.DOWN_PRESSED) != 0) { 
      plane.moveDown(); 
    } 
    if ( (key & this.GAME_A_PRESSED) != 0) { 
      plane.moveNS(); 
    } 
    //¿ª»ð 
    if ( (key & this.FIRE_PRESSED) != 0) { 
      bullets.addBullet(plane.x,plane.y,24); 
    } 
  } 
 
  public void Clear() { 
    g.setColor(255, 255, 255); //clear screen 
    g.fillRect(0, 0, getWidth(), getHeight()); 
  } 
 
  public void run() { 
    while (true) { 
      Clear(); 
      KeyInput(); 
      plane.DrawSelf(); 
      bullets.DrawSelf(g); 
      bullets.Move(); 
      flushGraphics(); 
      try { 
        Thread.sleep(30); 
      } 
      catch (Exception e) {} 
      Clear(); 
    } 
  } 
}