def __init__(self, light, **kwargs):
if (not isinstance(light, AmbientLight)
and not isinstance(light, Spotlight)):
raise Exception(
"Only AmbientLights and Spotlights can be switched off")
light.submobjects = light.submobjects[::-1]
LaggedStart.__init__(self, FadeOut, light, **kwargs)
light.submobjects = light.submobjects[::-1]
def __init__(self, focal_point, **kwargs):
digest_config(self, kwargs)
circles = VGroup()
for x in range(self.n_circles):
circle = Circle(
radius=self.big_radius,
stroke_color=BLACK,
stroke_width=0,
)
circle.move_to(focal_point)
circle.save_state()
circle.set_width(self.small_radius * 2)
circle.set_stroke(self.color, self.start_stroke_width)
circles.add(circle)
LaggedStart.__init__(self, ApplyMethod, circles, lambda c:
(c.restore, ), **kwargs)
def __init__(self, light, **kwargs):
if (not isinstance(light, AmbientLight)
and not isinstance(light, Spotlight)):
raise Exception(
"Only AmbientLights and Spotlights can be switched on")
LaggedStart.__init__(self, FadeIn, light, **kwargs)