def __set_scene(self, scene):
self.__scene = Scene.new() ## erase scene
TileManager.purge()
self.__scene = scene
self.__scene.viewport_size = (self.width(), self.height())
## zoom into scene
self.__scene.centre = (self.width() / 2, self.height() / 2)
self.__scene.zoom(-5.0)
self.__scene.aim("z", 5.0)
def remove(self, mediaobject):
"""Remove `mediaobject` from scene.
This has no effect if `mediaobject` is not in the scene.
remove(MediaObject) -> None
"""
with self.__objects_lock:
if mediaobject in self.__objects:
self.__objects.remove(mediaobject)
media_id = mediaobject.media_id
media_active = False
for other in self.__objects:
if other.media_id == media_id:
## another object exists for
## this media, meaning that
## this media is active
media_active = True
if not media_active:
TileManager.purge(media_id)
