def _set_visible(self, visible):
self._visible = visible
clock.unschedule(self._blink)
if visible and self._active and self.PERIOD:
clock.schedule_interval(self._blink, self.PERIOD)
self._blink_visible = False # flipped immediately by next blink
self._blink(0)
def _set_image(self, img):
if self._animation is not None:
clock.unschedule(self._animate)
self._animation = None
if isinstance(img, image.Animation):
self._animation = img
self._frame_index = 0
self._set_texture(img.frames[0].image.get_texture())
self._next_dt = img.frames[0].duration
if self._next_dt:
clock.schedule_once(self._animate, self._next_dt)
else:
self._set_texture(img.get_texture())
self._update_position()
def delete(self):
'''Force immediate removal of the sprite from video memory.
This is often necessary when using batches, as the Python garbage
collector will not necessarily call the finalizer as soon as the
sprite is garbage.
'''
if self._animation:
clock.unschedule(self._animate)
self._vertex_list.delete()
self._vertex_list = None
self._texture = None
# Easy way to break circular reference, speeds up GC
self._group = None