単純な2D Javaゲームの遅れは

私は過去1週間半の単純なトップダウンの2D Javaゲームを作成しました。それは私のWindowsコンピュータ上で完璧に動作し、私の友人のいくつかは彼らのコンピュータでそれをうまく実行しました。単純な2D Javaゲームの遅れは

最近、私はMacでゲームを読み込もうとしましたが、ひどく遅れているように見え、コンピュータ全体が遅くなります。これはゲームの実行中にのみ発生し、終了すると正常に戻ります。

私のクラスには問題が発生する可能性がありますが、それは自分のコンピュータと関係がありそうです。

public class Game implements Runnable { 
//DISPLAY 
private Display display; 
private int width, height; 
public String title; 
//THREADS 
private boolean running = false; 
private Thread thread; 
//BUFFERING AND HRAPHICS 
private BufferStrategy bs; 
private Graphics g; 

// Statess 
public States gameState, island; 
private States menuState; 

// Input 
private KeyManager keyManager; 
private MouseManager mouseManager; 
//UI 

// Handler 
private Handler handler; 
//TIMER 
Timer myTimer = new Timer(); 
public static int seconds = 0; 
int count = 0; 
//PAUSE 
private boolean paused = false; 
public Game(String title, int width, int height) { 
    this.width = width; 
    this.height = height; 
    this.title = title; 
    keyManager = new KeyManager(); 
    mouseManager = new MouseManager(); 


} 

private void init() { 
    display = new Display(title, width, height); 
    display.getFrame().addKeyListener(keyManager); 
    display.getFrame().addMouseListener(mouseManager); 
    display.getFrame().addMouseMotionListener(mouseManager); 
    display.getCanvas().addMouseListener(mouseManager); 
    display.getCanvas().addMouseMotionListener(mouseManager); 
    Assets.init(); 

    handler = new Handler(this); 

    gameState = new GameState(handler, 9, 79, 1502, 79); 
    island = new Island(handler, 20, 190, 1450, 190); 
    menuState = new MenuState(handler); 
    States.setState(menuState); 

} 



private void tick() { 
    keyManager.tick(); 
    setPaused(); 
    if(!paused){ 
     States.getState().tick(); 
     if(count == 0){ 
     if(States.getState() != menuState){ 
      myTimer.scheduleAtFixedRate(new TimerTask() { 

       @Override 
       public void run() { 
        seconds++; 
       } 
      }, 1000, 1000); 
     count = 1; 
     } 
     } 
     //System.out.println(seconds); 
    } 
    render(); 
} 


public void paused(Graphics g){ 
    g.drawString("Paused", 750, 200); 
} 

private void render() { 

    bs = display.getCanvas().getBufferStrategy(); 
    if (bs == null) { 
     display.getCanvas().createBufferStrategy(3); 
     return; 
    } 
    g = bs.getDrawGraphics(); 
    // Clear Screen 
    g.clearRect(0, 0, width, height); 
    // Draw Here! 
    //Rendering 
    //State render 

     States.getState().render(g); 
     //UI 
     if(States.getState() != menuState){ 
      if(paused) 
      paused(g); 
     } 
    // End Drawing! 
    bs.show(); 
    g.dispose(); 
} 



public void run() { 

    init(); 

    int fps = 60; 
    double timePerTick = 1000000000/fps; 
    double delta = 0; 
    long now; 
    long lastTime = System.nanoTime(); 
    long timer = 0; 
    //int ticks = 0; 

    while (running) { 
     now = System.nanoTime(); 
     delta += (now - lastTime)/timePerTick; 
     timer += now - lastTime; 
     lastTime = now; 

     if (delta >= 1) { 
      tick(); 

      //ticks++; 
      delta--; 
     } 

     if (timer >= 1000000000) { 

      //ticks = 0; 
      timer = 0; 
     } 
    } 

    stop(); 

} 

public States getGameState(){ 
    return gameState; 
} 
public KeyManager getKeyManager() { 
    return keyManager; 
} 

public MouseManager getMouseManager() { 
    return mouseManager; 
} 

public int getWidth() { 
    return width; 
} 

public int getHeight() { 
    return height; 
} 
//TIMER 


public synchronized void start() { 
    if (running) 
     return; 
    running = true; 
    thread = new Thread(this); 
    thread.start(); 
} 

public synchronized void stop() { 
    if (!running) 
     return; 
    running = false; 
    try { 
     thread.join(); 
    } catch (InterruptedException e) { 
     e.printStackTrace(); 
    } 
} 

public boolean isPaused() { 
    return paused; 
} 

public void setPaused() { 
    if(handler.getKeyManager().keyJustPressed(KeyEvent.VK_U)) 
     paused = !paused; 
} 
}

Display.java

public class Display { 

    private String title; 
    private int height; 
    private int width; 
    private Canvas canvas; 
    private JFrame frame; 

    public Display(String title, int width, int height) { 
     this.title = title; 
     this.height = height; 
     this.width = width; 
     createDisplay(); 
    } 

    public void createDisplay() { 
     // Make frame 
     frame = new JFrame(title); 
     frame.setSize(width, height); 
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
     frame.setResizable(false); 
     frame.setLocationRelativeTo(null); 
     frame.setVisible(true); 
     // canvas to draw graphics 
     canvas = new Canvas(); 
     canvas.setPreferredSize(new Dimension(width, height)); 
     canvas.setMaximumSize(new Dimension(width, height)); 
     canvas.setMinimumSize(new Dimension(width, height)); 
     canvas.setFocusable(false); 
     // Display canvas through jframe 
     frame.add(canvas); 
     frame.pack(); 
    } 
    public Canvas getCanvas(){ 
     return canvas; 
    } 
    public JFrame getFrame(){ 
     return frame; 
    } 
}

出典

2016-12-10 James Scott

可読性を向上させる –