Example #1
0
 def create_target(self):
     little_dot = Dot(radius=0)
     little_dot.set_fill(self.color, opacity=self.opacity)
     little_dot.add_updater(
         lambda d: d.move_to(self.focus_point)
     )
     return little_dot
Example #2
0
    def __init__(self, mobject_or_point, **kwargs):
        digest_config(self, kwargs)
        big_dot = Dot(
            radius=FRAME_X_RADIUS + FRAME_Y_RADIUS,
            stroke_width=0,
            fill_color=self.color,
            fill_opacity=0,
        )
        little_dot = Dot(radius=0)
        little_dot.set_fill(self.color, opacity=self.opacity)
        little_dot.move_to(mobject_or_point)

        Transform.__init__(self, big_dot, little_dot, **kwargs)
Example #3
0
    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
Example #4
0
    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