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import java.awt.Canvas;
import java.awt.Graphics2D;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.event.KeyListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseWheelListener;
import java.awt.event.MouseWheelEvent;
import java.awt.image.BufferStrategy;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Scene extends JPanel implements Runnable, KeyListener, MouseListener, MouseMotionListener, MouseWheelListener {
protected int WIDTH;
protected int HEIGHT;
protected BufferStrategy buffer;
protected long desiredFPS = 60;
protected long desiredDeltaLoop = (1000*1000*1000)/desiredFPS;
protected JFrame frame;
protected boolean running;
protected Canvas canvas;
protected int guiSize = 2;
protected Scene(JFrame frame, Sub sub) {
this.frame = frame;
//getting window size
this.WIDTH = (int) this.frame.getSize().getWidth();
this.HEIGHT = (int) this.frame.getSize().getHeight();
this.canvas = new Canvas();
this.canvas.setBounds(0, 0, this.WIDTH, this.HEIGHT);
this.canvas.setIgnoreRepaint(true);
this.canvas.addKeyListener(this);
this.canvas.addMouseListener(this);
this.canvas.addMouseMotionListener(this);
this.canvas.addMouseWheelListener(this);
}
public void start() {
this.canvas.createBufferStrategy(2);
this.buffer = this.canvas.getBufferStrategy();
this.canvas.requestFocus();
this.running = true;
new Thread(this).start();
}
public void run() {
long beginLoopTime;
long endLoopTime;
long currentUpdateTime = System.nanoTime();
long lastUpdateTime;
long deltaLoop;
while (running) {
beginLoopTime = System.nanoTime();
//getting window size
this.WIDTH = (int) this.frame.getSize().getWidth();
this.HEIGHT = (int) this.frame.getSize().getHeight();
this.render();
lastUpdateTime = currentUpdateTime;
currentUpdateTime = System.nanoTime();
this.update((int) ((currentUpdateTime - lastUpdateTime)/(1000*1000)));
endLoopTime = System.nanoTime();
deltaLoop = endLoopTime - beginLoopTime;
if (deltaLoop > this.desiredDeltaLoop) {
//late
} else {
try {
Thread.sleep((this.desiredDeltaLoop - deltaLoop)/(1000*1000));
} catch (InterruptedException e ) {
}
}
}
}
protected void render() {}
protected void update(int deltaTime) {}
@Override
public void keyTyped(KeyEvent e) {}
public void keyPressed(KeyEvent e) {}
public void keyReleased(KeyEvent e) {}
public void mouseClicked(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseDragged(MouseEvent e) {}
public void mouseMoved(MouseEvent e) {}
public void mouseWheelMoved(MouseWheelEvent e) {}
}
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