private final static Object SYNC = new Object();
synchronized(SYNC) { if (touchTurn != 0) { object3D.rotateY(touchTurn); touchTurn = 0; } if (touchTurnUp != 0) { object3D.rotateX(touchTurnUp); touchTurnUp = 0; } buffer.clear(back); world.renderScene(buffer); world.draw(buffer); buffer.display();}