Function Node._process

Called during the processing step of the main loop. Processing happens at every frame and as fast as possible, so the delta time since the previous frame is not constant. It is only called if processing is enabled, which is done automatically if this method is overridden, and can be toggled with setProcess. Corresponds to the constant NOTIFICATION_PROCESS notification in GodotObject.notification.

void _process (
  const(double) delta
) nothrow @nogc;