class ClockPassesTime(Animation):
CONFIG = {
"run_time": 5,
"hours_passed": 12,
"rate_func": linear,
}
def __init__(self, clock, **kwargs):
digest_config(self, kwargs)
assert(isinstance(clock, Clock))
rot_kwargs = {
"axis": OUT,
"about_point": clock.get_center()
}
hour_radians = -self.hours_passed * 2 * np.pi / 12
self.hour_rotation = Rotating(
clock.hour_hand,
radians=hour_radians,
**rot_kwargs
)
self.hour_rotation.begin()
self.minute_rotation = Rotating(
clock.minute_hand,
radians=12 * hour_radians,
**rot_kwargs
)
self.minute_rotation.begin()
Animation.__init__(self, clock, **kwargs)
def interpolate_mobject(self, alpha):
for rotation in self.hour_rotation, self.minute_rotation:
rotation.interpolate_mobject(alpha)
class ClockPassesTime(Animation):
CONFIG = {
"run_time": 5,
"hours_passed": 12,
"rate_func": linear,
}
def __init__(self, clock, **kwargs):
digest_config(self, kwargs)
assert (isinstance(clock, Clock))
rot_kwargs = {"axis": OUT, "about_point": clock.get_center()}
hour_radians = -self.hours_passed * 2 * np.pi / 12
self.hour_rotation = Rotating(clock.hour_hand,
angle=hour_radians,
**rot_kwargs)
self.hour_rotation.begin()
self.minute_rotation = Rotating(clock.minute_hand,
angle=12 * hour_radians,
**rot_kwargs)
self.minute_rotation.begin()
Animation.__init__(self, clock, **kwargs)
def interpolate_mobject(self, alpha):
for rotation in self.hour_rotation, self.minute_rotation:
rotation.interpolate_mobject(alpha)
def __init__(self, clock, **kwargs):
digest_config(self, kwargs)
assert (isinstance(clock, Clock))
rot_kwargs = {"axis": OUT, "about_point": clock.get_center()}
hour_radians = -self.hours_passed * 2 * np.pi / 12
self.hour_rotation = Rotating(clock.hour_hand,
radians=hour_radians,
**rot_kwargs)
self.minute_rotation = Rotating(clock.minute_hand,
radians=12 * hour_radians,
**rot_kwargs)
Animation.__init__(self, clock, **kwargs)
def construct(self):
circle = Circle(color=PURPLE_A)
square = Square(fill_color=GOLD_B, fill_opacity=1, color=GOLD_A)
square.move_to(UP + LEFT)
circle.surround(square)
rectangle = Rectangle(height=2, width=3)
ellipse = Ellipse(width=3, height=1, color=RED)
ellipse.shift(2 * DOWN + 2 * RIGHT)
pointer = CurvedArrow(2 * RIGHT, 5 * RIGHT, color=MAROON_C)
arrow = Arrow(LEFT, UP)
arrow.next_to(circle, DOWN + LEFT)
rectangle.next_to(arrow, DOWN + LEFT)
circle2 = Circle()
circle2.surround(rectangle, buffer_factor=1)
ring = Annulus(inner_radius=.5, outer_radius=1, color=BLUE)
ring.next_to(ellipse, RIGHT)
self.add(pointer)
self.add(circle2)
self.play(FadeIn(square))
self.play(Rotating(square), FadeIn(circle))
self.play(GrowArrow(arrow))
self.play(GrowFromCenter(rectangle), GrowFromCenter(ellipse),
GrowFromCenter(ring))
self.wait()
def __init__(self, clock, **kwargs):
if not hasattr(self, "args"):
self.args = serialize_args([clock])
if not hasattr(self, "config"):
self.config = serialize_config({
**kwargs,
})
digest_config(self, kwargs)
assert (isinstance(clock, Clock))
rot_kwargs = {"axis": OUT, "about_point": clock.get_center()}
hour_radians = -self.hours_passed * 2 * np.pi / 12
self.hour_rotation = Rotating(clock.hour_hand,
radians=hour_radians,
**rot_kwargs)
self.hour_rotation.begin()
self.minute_rotation = Rotating(clock.minute_hand,
radians=12 * hour_radians,
**rot_kwargs)
self.minute_rotation.begin()
Animation.__init__(self, clock, **kwargs)
def __init__(self, clock, **kwargs):
digest_config(self, kwargs)
assert(isinstance(clock, Clock))
rot_kwargs = {
"axis": OUT,
"about_point": clock.get_center()
}
hour_radians = -self.hours_passed * 2 * np.pi / 12
self.hour_rotation = Rotating(
clock.hour_hand,
radians=hour_radians,
**rot_kwargs
)
self.hour_rotation.begin()
self.minute_rotation = Rotating(
clock.minute_hand,
radians=12 * hour_radians,
**rot_kwargs
)
self.minute_rotation.begin()
Animation.__init__(self, clock, **kwargs)
def construct(self):
my_first_text = TextMobject("Writing with manim is fun")
second_line = TextMobject("and easy to do!")
second_line.next_to(my_first_text, DOWN)
third_line = TextMobject("for me and you!")
third_line.next_to(my_first_text, DOWN)
self.play(FadeIn(my_first_text), FadeIn(second_line))
self.wait(2)
self.play(Transform(second_line, third_line))
self.wait(2)
self.play(ApplyMethod(my_first_text.shift, 3 * UP))
self.play(Rotating(second_line), radians=PI, run_time=2)
self.wait()
