public static void updateControl() { if (control == null) { return; } if (Keyboard.isKeyDown(forwardKey)) { control.forward(); } if (Keyboard.isKeyDown(backwardKey)) { control.backward(); } if (Keyboard.isKeyDown(leftKey)) { control.left(); } if (Keyboard.isKeyDown(rightKey)) { control.right(); } if (Keyboard.isKeyDown(upKey)) { control.up(); } if (Keyboard.isKeyDown(downKey)) { control.down(); } }