def construct(self):
glass = Region(lambda x, y : y < 0, color = BLUE_E)
self.generate_start_and_end_points()
straight = Line(self.start_point, self.end_point)
slow = TextMobject("Slow")
slow.rotate(np.arctan(straight.get_slope()))
slow.shift(straight.points[int(0.7*straight.get_num_points())])
slow.shift(0.5*DOWN)
too_long = TextMobject("Too long")
too_long.shift(UP)
air = TextMobject("Air").shift(2*UP)
water = TextMobject("Water").shift(2*DOWN)
self.add(glass)
self.play(GrowFromCenter(air))
self.play(GrowFromCenter(water))
self.wait()
self.remove(air, water)
ShowMultiplePathsScene.construct(self)
self.play(
Transform(self.path, straight)
)
self.wait()
self.play(GrowFromCenter(slow))
self.wait()
self.remove(slow)
self.leftmost.ingest_submobjects()
self.play(Transform(self.path, self.leftmost, run_time = 3))
self.wait()
self.play(ShimmerIn(too_long))
self.wait()
def construct(self):
glass = Region(lambda x, y : y < 0, color = BLUE_E)
self.generate_start_and_end_points()
straight = Line(self.start_point, self.end_point)
slow = TextMobject("Slow")
slow.rotate(np.arctan(straight.get_slope()))
slow.shift(straight.points[int(0.7*straight.get_num_points())])
slow.shift(0.5*DOWN)
too_long = TextMobject("Too long")
too_long.shift(UP)
air = TextMobject("Air").shift(2*UP)
water = TextMobject("Water").shift(2*DOWN)
self.add(glass)
self.play(GrowFromCenter(air))
self.play(GrowFromCenter(water))
self.dither()
self.remove(air, water)
ShowMultiplePathsScene.construct(self)
self.play(
Transform(self.path, straight)
)
self.dither()
self.play(GrowFromCenter(slow))
self.dither()
self.remove(slow)
self.leftmost.ingest_submobjects()
self.play(Transform(self.path, self.leftmost, run_time = 3))
self.dither()
self.play(ShimmerIn(too_long))
self.dither()
