def add_pupil(self): self.pupil = Circle(radius=self.pupil_radius, fill_color=BLACK, fill_opacity=1, stroke_width=0, sheen=0.0) self.add(self.pupil)
def ellipse_to_mobject(self, circle_element): x, y, rx, ry = [ float(circle_element.getAttribute(key)) if circle_element.hasAttribute(key) else 0.0 for key in ("cx", "cy", "rx", "ry") ] return Circle().scale(rx * RIGHT + ry * UP).shift(x * RIGHT + y * DOWN)
def circle_to_mobject(self, circle_element): x, y, r = [ float(circle_element.getAttribute(key)) if circle_element.hasAttribute(key) else 0.0 for key in ("cx", "cy", "r") ] return Circle(radius=r).shift(x * RIGHT + y * DOWN)
def __init__(self, **kwargs): SVGMobject.__init__(self, **kwargs) circle = Circle( stroke_width=3, stroke_color=GREEN, fill_opacity=1, fill_color=BLUE_C, ) circle.replace(self) self.add_to_back(circle)
def __init__(self, **kwargs): circle = Circle() ticks = [] for x in range(12): alpha = x / 12. point = complex_to_R3(np.exp(2 * np.pi * alpha * complex(0, 1))) length = 0.2 if x % 3 == 0 else 0.1 ticks.append(Line(point, (1 - length) * point)) self.hour_hand = Line(ORIGIN, 0.3 * UP) self.minute_hand = Line(ORIGIN, 0.6 * UP) # for hand in self.hour_hand, self.minute_hand: # #Balance out where the center is # hand.add(VectorizedPoint(-hand.get_end())) VGroup.__init__(self, circle, self.hour_hand, self.minute_hand, *ticks)
def increment(self, run_time_per_anim=1): moving_dot = Dot( self.counting_dot_starting_position, radius=self.count_dot_starting_radius, color=self.digit_place_colors[0], ) moving_dot.generate_target() moving_dot.set_fill(opacity=0) kwargs = { "run_time": run_time_per_anim } continue_rolling_over = True first_move = True place = 0 while continue_rolling_over: added_anims = [] if first_move: added_anims += self.get_digit_increment_animations() first_move = False moving_dot.target.replace( next(self.dot_template_iterators[place]) ) self.play(MoveToTarget(moving_dot), *added_anims, **kwargs) self.curr_configurations[place].add(moving_dot) if len(self.curr_configurations[place].split()) == self.get_place_max(place): full_configuration = self.curr_configurations[place] self.curr_configurations[place] = VGroup() place += 1 center = full_configuration.get_center_of_mass() radius = 0.6 * max( full_configuration.get_width(), full_configuration.get_height(), ) circle = Circle( radius=radius, stroke_width=0, fill_color=self.digit_place_colors[place], fill_opacity=0.5, ) circle.move_to(center) moving_dot = VGroup(circle, full_configuration) moving_dot.generate_target() moving_dot[0].set_fill(opacity=0) else: continue_rolling_over = False
def animate_product(self, left, right, result): l_matrix = left.get_mob_matrix() r_matrix = right.get_mob_matrix() result_matrix = result.get_mob_matrix() circle = Circle(radius=l_matrix[0][0].get_height(), color=GREEN) circles = VGroup(*[ entry.get_point_mobject() for entry in (l_matrix[0][0], r_matrix[0][0]) ]) (m, k), n = l_matrix.shape, r_matrix.shape[1] for mob in result_matrix.flatten(): mob.set_color(BLACK) lagging_anims = [] for a in range(m): for b in range(n): for c in range(k): l_matrix[a][c].set_color(YELLOW) r_matrix[c][b].set_color(YELLOW) for c in range(k): start_parts = VGroup(l_matrix[a][c].copy(), r_matrix[c][b].copy()) result_entry = result_matrix[a][b].split()[c] new_circles = VGroup(*[ circle.copy().shift(part.get_center()) for part in start_parts.split() ]) self.play(Transform(circles, new_circles)) self.play( Transform( start_parts, result_entry.copy().set_color(YELLOW), path_arc=-np.pi / 2, submobject_mode="all_at_once", ), *lagging_anims) result_entry.set_color(YELLOW) self.remove(start_parts) lagging_anims = [ ApplyMethod(result_entry.set_color, WHITE) ] for c in range(k): l_matrix[a][c].set_color(WHITE) r_matrix[c][b].set_color(WHITE) self.play(FadeOut(circles), *lagging_anims) self.wait()
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 get_seed_shape(self): return Circle()
def __init__(self, mobject, **kwargs): digest_config(self, kwargs) circle = Circle(color=self.color, **kwargs) circle.surround(mobject) Indicate.__init__(self, circle, **kwargs)