all sprites have now a private event queue filled by the eventqueue
dispatcher with the list of subscribed events.
Dispatcher is able to post custom events with custom data in the queue,
for generic message passing among sprites
A basic method is provided for sprite class, but should be overridden
all sprites have now a private event queue filled by the eventqueue dispatcher with the list of subscribed events. Dispatcher is able to post custom events with custom data in the queue, for generic message passing among sprites A basic method is provided for sprite class, but should be overridden
closes #61