Use double buffering.

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

runGame.command

@@ -1,3 +1,3 @@
 cd bin
-java -Djava.library.path="../lib" -Dsun.java2d.opengl=true -Xms2G -Xmx2G -jar RabiClone.jar
+java -Djava.library.path="../lib" -Xms2G -Xmx2G -jar RabiClone.jar
 cd ..

runGame.ps1

@@ -1,3 +1,3 @@
 cd bin
-java "-Djava.library.path=../lib" "-Dsun.java2d.opengl=true" -Xms2G -Xmx2G -jar RabiClone.jar
+java "-Djava.library.path=../lib" -Xms2G -Xmx2G -jar RabiClone.jar
 cd ..

runGame.sh

@@ -1,3 +1,3 @@
 cd bin
-java -Dsun.java2d.opengl=true -Djava.library.path="../lib" -Xms2G -Xmx2G -jar RabiClone.jar
+java -Djava.library.path="../lib" -Xms2G -Xmx2G -jar RabiClone.jar
 cd ..

sig

@@ -8,7 +8,7 @@ define MAIN_CLASS "sig.${PROJECT_NAME}"
 define OUT_DIR "bin"
 define LIBRARY_PATH "../lib"
 define CLASS_PATH "${PROJECT_DIR}/..:lib/bin"
-define CUSTOM_PARAMS "-Xmx2G -Xms2G -Dsun.java2d.opengl=true"
+define CUSTOM_PARAMS "-Xmx2G -Xms2G"
 define LANGUAGE "Java"
 
 source utils/main.sh

src/sig/RabiClone.java

@@ -80,6 +80,7 @@ public class RabiClone {
 				(int) ((Toolkit.getDefaultToolkit().getScreenSize().getHeight() - f.getHeight()) / 2));
 		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		f.setVisible(true);
+		f.createBufferStrategy(2);
 
 		OBJ.add(level_renderer = new LevelRenderer(p));
 		StartGame();

src/sig/engine/Panel.java

@@ -194,13 +194,13 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 
     @Override
     public void paintComponent(Graphics g) {
-        super.paintComponent(g);
+        super.paintComponent(RabiClone.f.getBufferStrategy().getDrawGraphics());
         // perform draws on pixels
         render();
         // ask ImageProducer to update image
         mImageProducer.newPixels();  
         // draw it on panel          
-		g.drawImage(this.imageBuffer,0,0,getWidth(),getHeight(),0,0,RabiClone.BASE_WIDTH,RabiClone.BASE_HEIGHT,this);
+		RabiClone.f.getBufferStrategy().getDrawGraphics().drawImage(this.imageBuffer,0,0,getWidth(),getHeight(),0,0,RabiClone.BASE_WIDTH,RabiClone.BASE_HEIGHT,this);
 		updateFPSCounter();
     }