fixed mac render glitch, flipped visualizer

desktop/src/zero1hd/rhythmbullet/desktop/DesktopLauncher.java

@@ -10,6 +10,9 @@ public class DesktopLauncher {
 		LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
 		config.title = "Rhythm Bullet";
 		config.resizable = false;
+		config.allowSoftwareMode = true;
+		config.useHDPI = true;
+		config.vSyncEnabled = true;
 		new LwjglApplication(new RhythmBullet(), config);
 	}
 }