Game.java 文件源码

public void render() {
    //creates place for image to be rendered behind screen then shown
    BufferStrategy bs = getBufferStrategy();
    if (bs == null) {
        createBufferStrategy(3); //3 "screens"
        return;
    }

    screen.clear();
    int xScroll = player.x - screen.width / 2;
    int yScroll = player.y - screen.height / 2;
    level.render(xScroll, yScroll, screen);
    player.render(screen);

    for (int i = 0; i < pixels.length; i++) {
        pixels[i] = screen.pixels[i];
    }

    Graphics g = bs.getDrawGraphics(); //linking buffer with graphics
    g.drawImage(image, 0, 0, getWidth(), getHeight(), null);
    g.setColor(Color.WHITE);
    g.setFont(new Font("Verdena", 0, 20));
    g.drawString("X: " + (player.x >> 4) + ", Y: " + (player.y >> 4), 0, 16);
    g.dispose(); //remove graphics that are not used
    bs.show(); //swapping out the buffers
}