示例#1
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    def create_pi_creatures(self):
        self.teacher = Mortimer(color=self.default_pi_creature_kwargs["color"])
        self.teacher.to_corner(DOWN + RIGHT)
        self.teacher.look(DOWN + LEFT)
        self.students = VGroup(
            *[Randolph(color=c) for c in self.student_colors])
        self.students.arrange_submobjects(RIGHT)
        self.students.scale(self.student_scale_factor)
        self.students.to_corner(DOWN + LEFT)
        self.teacher.look_at(self.students[-1].eyes)
        for student in self.students:
            student.look_at(self.teacher.eyes)

        return [self.teacher] + list(self.students)
示例#2
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    def construct(self):
        morty = Mortimer()
        morty.next_to(ORIGIN, DOWN)

        patreon_logo = PatreonLogo()
        patreon_logo.to_edge(UP)

        n_patrons = len(self.specific_patrons)
        patrons = map(TextMobject, self.specific_patrons)
        num_groups = float(len(patrons)) / self.max_patron_group_size
        proportion_range = np.linspace(0, 1, num_groups + 1)
        indices = (len(patrons) * proportion_range).astype('int')
        patron_groups = [
            VGroup(*patrons[i:j])
            for i, j in zip(indices, indices[1:])
        ]

        for i, group in enumerate(patron_groups):
            left_group = VGroup(*group[:len(group) / 2])
            right_group = VGroup(*group[len(group) / 2:])
            for subgroup, vect in (left_group, LEFT), (right_group, RIGHT):
                subgroup.arrange_submobjects(DOWN, aligned_edge=LEFT)
                subgroup.scale(self.patron_scale_val)
                subgroup.to_edge(vect)

        last_group = None
        for i, group in enumerate(patron_groups):
            anims = []
            if last_group is not None:
                self.play(
                    FadeOut(last_group),
                    morty.look, UP + LEFT
                )
            else:
                anims += [
                    DrawBorderThenFill(patreon_logo),
                ]
            self.play(
                LaggedStart(
                    FadeIn, group,
                    run_time=2,
                ),
                morty.change, "gracious", group.get_corner(UP + LEFT),
                *anims
            )
            self.play(morty.look_at, group.get_corner(DOWN + LEFT))
            self.play(morty.look_at, group.get_corner(UP + RIGHT))
            self.play(morty.look_at, group.get_corner(DOWN + RIGHT))
            self.play(Blink(morty))
            last_group = group
示例#3
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    def add_title(self):
        title = self.title = TextMobject("Clicky Stuffs")
        title.scale(1.5)
        title.to_edge(UP, buff=MED_SMALL_BUFF)

        randy, morty = self.pi_creatures = VGroup(Randolph(), Mortimer())
        for pi, vect in (randy, LEFT), (morty, RIGHT):
            pi.set_height(title.get_height())
            pi.change_mode("thinking")
            pi.look(DOWN)
            pi.next_to(title, vect, buff=MED_LARGE_BUFF)
        self.add_foreground_mobjects(title, randy, morty)
    def create_pi_creatures(self):
        self.teacher = Mortimer(color=self.teacher_color)
        self.teacher.to_corner(DOWN + RIGHT)
        self.teacher.look(DOWN + LEFT)
        self.students = VGroup(*[
            Randolph(color=c)
            for c in self.student_colors
        ])
        self.students.arrange_submobjects(RIGHT)
        self.students.scale(self.student_scale_factor)
        self.students.to_corner(DOWN + LEFT)
        self.teacher.look_at(self.students[-1].eyes)
        for student in self.students:
            student.look_at(self.teacher.eyes)

        return [self.teacher] + list(self.students)
示例#5
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class TeacherStudentsScene(PiCreatureScene):
    CONFIG = {
        "student_colors": [BLUE_D, BLUE_E, BLUE_C],
        "student_scale_factor": 0.8,
        "seconds_to_blink": 2,
        "screen_height": 3,
    }

    def setup(self):
        PiCreatureScene.setup(self)
        self.screen = ScreenRectangle(height=self.screen_height)
        self.screen.to_corner(UP + LEFT)
        self.hold_up_spot = self.teacher.get_corner(UP +
                                                    LEFT) + MED_LARGE_BUFF * UP

    def create_pi_creatures(self):
        self.teacher = Mortimer(color=self.default_pi_creature_kwargs["color"])
        self.teacher.to_corner(DOWN + RIGHT)
        self.teacher.look(DOWN + LEFT)
        self.students = VGroup(
            *[Randolph(color=c) for c in self.student_colors])
        self.students.arrange_submobjects(RIGHT)
        self.students.scale(self.student_scale_factor)
        self.students.to_corner(DOWN + LEFT)
        self.teacher.look_at(self.students[-1].eyes)
        for student in self.students:
            student.look_at(self.teacher.eyes)

        return [self.teacher] + list(self.students)

    def get_teacher(self):
        return self.teacher

    def get_students(self):
        return self.students

    def teacher_says(self, *content, **kwargs):
        return self.pi_creature_says(self.get_teacher(), *content, **kwargs)

    def student_says(self, *content, **kwargs):
        if "target_mode" not in kwargs:
            target_mode = random.choice([
                "raise_right_hand",
                "raise_left_hand",
            ])
            kwargs["target_mode"] = target_mode
        student = self.get_students()[kwargs.get("student_index", 1)]
        return self.pi_creature_says(student, *content, **kwargs)

    def teacher_thinks(self, *content, **kwargs):
        return self.pi_creature_thinks(self.get_teacher(), *content, **kwargs)

    def student_thinks(self, *content, **kwargs):
        student = self.get_students()[kwargs.get("student_index", 1)]
        return self.pi_creature_thinks(student, *content, **kwargs)

    def change_all_student_modes(self, mode, **kwargs):
        self.change_student_modes(*[mode] * len(self.students), **kwargs)

    def change_student_modes(self, *modes, **kwargs):
        added_anims = kwargs.pop("added_anims", [])
        self.play(self.get_student_changes(*modes, **kwargs), *added_anims)

    def get_student_changes(self, *modes, **kwargs):
        pairs = zip(self.get_students(), modes)
        pairs = [(s, m) for s, m in pairs if m is not None]
        start = VGroup(*[s for s, m in pairs])
        target = VGroup(*[s.copy().change_mode(m) for s, m in pairs])
        if "look_at_arg" in kwargs:
            for pi in target:
                pi.look_at(kwargs["look_at_arg"])
        submobject_mode = kwargs.get("submobject_mode", "lagged_start")
        return Transform(start,
                         target,
                         submobject_mode=submobject_mode,
                         run_time=2)

    def zoom_in_on_thought_bubble(self,
                                  bubble=None,
                                  radius=FRAME_Y_RADIUS + FRAME_X_RADIUS):
        if bubble is None:
            for pi in self.get_pi_creatures():
                if hasattr(pi, "bubble") and isinstance(
                        pi.bubble, ThoughtBubble):
                    bubble = pi.bubble
                    break
            if bubble is None:
                raise Exception("No pi creatures have a thought bubble")
        vect = -bubble.get_bubble_center()

        def func(point):
            centered = point + vect
            return radius * centered / np.linalg.norm(centered)

        self.play(
            *
            [ApplyPointwiseFunction(func, mob) for mob in self.get_mobjects()])

    def teacher_holds_up(self,
                         mobject,
                         target_mode="raise_right_hand",
                         **kwargs):
        mobject.move_to(self.hold_up_spot, DOWN)
        mobject.shift_onto_screen()
        mobject_copy = mobject.copy()
        mobject_copy.shift(DOWN)
        mobject_copy.fade(1)
        self.play(
            ReplacementTransform(mobject_copy, mobject),
            self.teacher.change,
            target_mode,
        )
class TeacherStudentsScene(PiCreatureScene):
    CONFIG = {
        "student_colors": [BLUE_D, BLUE_E, BLUE_C],
        "teacher_color": GREY_BROWN,
        "student_scale_factor": 0.8,
        "seconds_to_blink": 2,
        "screen_height": 3,
    }

    def setup(self):
        PiCreatureScene.setup(self)
        self.screen = ScreenRectangle(height=self.screen_height)
        self.screen.to_corner(UP + LEFT)
        self.hold_up_spot = self.teacher.get_corner(UP + LEFT) + MED_LARGE_BUFF * UP

    def create_pi_creatures(self):
        self.teacher = Mortimer(color=self.teacher_color)
        self.teacher.to_corner(DOWN + RIGHT)
        self.teacher.look(DOWN + LEFT)
        self.students = VGroup(*[
            Randolph(color=c)
            for c in self.student_colors
        ])
        self.students.arrange_submobjects(RIGHT)
        self.students.scale(self.student_scale_factor)
        self.students.to_corner(DOWN + LEFT)
        self.teacher.look_at(self.students[-1].eyes)
        for student in self.students:
            student.look_at(self.teacher.eyes)

        return [self.teacher] + list(self.students)

    def get_teacher(self):
        return self.teacher

    def get_students(self):
        return self.students

    def teacher_says(self, *content, **kwargs):
        return self.pi_creature_says(
            self.get_teacher(), *content, **kwargs
        )

    def student_says(self, *content, **kwargs):
        if "target_mode" not in kwargs:
            target_mode = random.choice([
                "raise_right_hand",
                "raise_left_hand",
            ])
            kwargs["target_mode"] = target_mode
        student = self.get_students()[kwargs.get("student_index", 1)]
        return self.pi_creature_says(
            student, *content, **kwargs
        )

    def teacher_thinks(self, *content, **kwargs):
        return self.pi_creature_thinks(
            self.get_teacher(), *content, **kwargs
        )

    def student_thinks(self, *content, **kwargs):
        student = self.get_students()[kwargs.get("student_index", 1)]
        return self.pi_creature_thinks(student, *content, **kwargs)

    def change_all_student_modes(self, mode, **kwargs):
        self.change_student_modes(*[mode] * len(self.students), **kwargs)

    def change_student_modes(self, *modes, **kwargs):
        added_anims = kwargs.pop("added_anims", [])
        self.play(
            self.get_student_changes(*modes, **kwargs),
            *added_anims
        )

    def get_student_changes(self, *modes, **kwargs):
        pairs = zip(self.get_students(), modes)
        pairs = [(s, m) for s, m in pairs if m is not None]
        start = VGroup(*[s for s, m in pairs])
        target = VGroup(*[s.copy().change_mode(m) for s, m in pairs])
        if "look_at_arg" in kwargs:
            for pi in target:
                pi.look_at(kwargs["look_at_arg"])
        submobject_mode = kwargs.get("submobject_mode", "lagged_start")
        return Transform(
            start, target,
            submobject_mode=submobject_mode,
            run_time=2
        )

    def zoom_in_on_thought_bubble(self, bubble=None, radius=FRAME_Y_RADIUS + FRAME_X_RADIUS):
        if bubble is None:
            for pi in self.get_pi_creatures():
                if hasattr(pi, "bubble") and isinstance(pi.bubble, ThoughtBubble):
                    bubble = pi.bubble
                    break
            if bubble is None:
                raise Exception("No pi creatures have a thought bubble")
        vect = -bubble.get_bubble_center()

        def func(point):
            centered = point + vect
            return radius * centered / np.linalg.norm(centered)
        self.play(*[
            ApplyPointwiseFunction(func, mob)
            for mob in self.get_mobjects()
        ])

    def teacher_holds_up(self, mobject, target_mode="raise_right_hand", added_anims=None, **kwargs):
        mobject.move_to(self.hold_up_spot, DOWN)
        mobject.shift_onto_screen()
        mobject_copy = mobject.copy()
        mobject_copy.shift(DOWN)
        mobject_copy.fade(1)
        added_anims = added_anims or []
        self.play(
            ReplacementTransform(mobject_copy, mobject),
            self.teacher.change, target_mode,
            *added_anims
        )