def __init__(self, **kwargs): Mobject.__init__(self, **kwargs) for part_name in self.PART_NAMES: mob = ImageMobject( part_name_to_directory(part_name), should_center = False ) if part_name not in self.WHITE_PART_NAMES: mob.highlight(self.color) setattr(self, part_name, mob) self.eyes = Mobject(self.left_eye, self.right_eye) self.legs = Mobject(self.left_leg, self.right_leg) mouth_center = self.get_mouth_center() self.mouth.center() self.smile = self.mouth self.frown = self.mouth.copy().rotate(np.pi, RIGHT) self.straight_mouth = TexMobject("-").scale(0.7) for mouth in self.smile, self.frown, self.straight_mouth: mouth.sort_points(lambda p : p[0]) mouth.highlight(self.color) ##to blend into background mouth.shift(mouth_center) self.digest_mobject_attrs() self.give_smile() self.add(self.mouth) self.scale(PI_CREATURE_SCALE_VAL)
def construct(self): headphones = ImageMobject("Headphones.png") headphones.scale(0.1) headphones.stretch(2, 0) headphones.shift(1.2*UP+0.05*LEFT) headphones.highlight(GREY) randy = Randolph() self.add(randy, headphones) self.dither(2) self.play(ApplyMethod(randy.blink)) self.dither(4)
def __init__(self, **kwargs): Mobject.__init__(self, **kwargs) for part_name in self.PART_NAMES: mob = ImageMobject(part_name_to_directory(part_name), should_center=False) if part_name not in self.WHITE_PART_NAMES: mob.highlight(self.color) setattr(self, part_name, mob) self.eyes = Mobject(self.left_eye, self.right_eye) self.legs = Mobject(self.left_leg, self.right_leg) mouth_center = self.get_mouth_center() self.mouth.center() self.smile = self.mouth self.frown = self.mouth.copy().rotate(np.pi, RIGHT) self.straight_mouth = TexMobject("-").scale(0.7) for mouth in self.smile, self.frown, self.straight_mouth: mouth.sort_points(lambda p: p[0]) mouth.highlight(self.color) ##to blend into background mouth.shift(mouth_center) self.digest_mobject_attrs() self.give_smile() self.add(self.mouth) self.scale(PI_CREATURE_SCALE_VAL)
def construct(self): clock = Circle(radius=2, color=WHITE) clock.add(Dot(ORIGIN)) ticks = Mobject(*[ Line(1.8 * vect, 2 * vect, color=GREY) for vect in compass_directions(12) ]) clock.add(ticks) hour_hand = Line(ORIGIN, UP) minute_hand = Line(ORIGIN, 1.5 * UP) clock.add(hour_hand, minute_hand) clock.to_corner(UP + RIGHT) hour_hand.get_center = lambda: clock.get_center() minute_hand.get_center = lambda: clock.get_center() solution = ImageMobject("Newton_brachistochrone_solution2", use_cache=False) solution.stroke_width = 3 solution.highlight(GREY) solution.scale_to_fit_width(5) solution.to_corner(UP + RIGHT) newton = ImageMobject("Old_Newton", invert=False) newton.scale(0.8) phil_trans = TextMobject("Philosophical Transactions") rect = Rectangle(height=6, width=4.5, color=WHITE) rect.to_corner(UP + RIGHT) rect.shift(DOWN) phil_trans.scale_to_fit_width(0.8 * rect.get_width()) phil_trans.next_to(Point(rect.get_top()), DOWN) new_solution = solution.copy() new_solution.scale_to_fit_width(phil_trans.get_width()) new_solution.next_to(phil_trans, DOWN, buff=1) not_newton = TextMobject("-Totally not by Newton") not_newton.scale_to_fit_width(2.5) not_newton.next_to(new_solution, DOWN, aligned_edge=RIGHT) phil_trans.add(rect) newton_complaint = TextMobject([ "``I do not love to be", " \\emph{dunned} ", "and teased by foreigners''" ], size="\\small") newton_complaint.to_edge(UP, buff=0.2) dunned = newton_complaint.split()[1] dunned.highlight() dunned_def = TextMobject( "(old timey term for making \\\\ demands on someone)") dunned_def.scale(0.7) dunned_def.next_to(phil_trans, LEFT) dunned_def.shift(2 * UP) dunned_arrow = Arrow(dunned_def, dunned) johann = ImageMobject("Johann_Bernoulli2", invert=False) johann.scale(0.4) johann.to_edge(LEFT) johann.shift(DOWN) johann_quote = TextMobject("``I recognize the lion by his claw''") johann_quote.next_to(johann, UP, aligned_edge=LEFT) self.play(ApplyMethod(newton.to_edge, LEFT)) self.play(ShowCreation(clock)) kwargs = {"axis": OUT, "rate_func": smooth} self.play(Rotating(hour_hand, radians=-2 * np.pi, **kwargs), Rotating(minute_hand, radians=-12 * 2 * np.pi, **kwargs), run_time=5) self.wait() self.clear() self.add(newton) clock.ingest_submobjects() self.play(Transform(clock, solution)) self.remove(clock) self.add(solution) self.wait() self.play(FadeIn(phil_trans), Transform(solution, new_solution)) self.wait() self.play(ShimmerIn(not_newton)) phil_trans.add(solution, not_newton) self.wait() self.play(*map(ShimmerIn, newton_complaint.split())) self.wait() self.play(ShimmerIn(dunned_def), ShowCreation(dunned_arrow)) self.wait() self.remove(dunned_def, dunned_arrow) self.play(FadeOut(newton_complaint)) self.remove(newton_complaint) self.play(FadeOut(newton), GrowFromCenter(johann)) self.remove(newton) self.wait() self.play(ShimmerIn(johann_quote)) self.wait()
def construct(self): clock = Circle(radius = 2, color = WHITE) clock.add(Dot(ORIGIN)) ticks = Mobject(*[ Line(1.8*vect, 2*vect, color = GREY) for vect in compass_directions(12) ]) clock.add(ticks) hour_hand = Line(ORIGIN, UP) minute_hand = Line(ORIGIN, 1.5*UP) clock.add(hour_hand, minute_hand) clock.to_corner(UP+RIGHT) hour_hand.get_center = lambda : clock.get_center() minute_hand.get_center = lambda : clock.get_center() solution = ImageMobject( "Newton_brachistochrone_solution2", use_cache = False ) solution.stroke_width = 3 solution.highlight(GREY) solution.scale_to_fit_width(5) solution.to_corner(UP+RIGHT) newton = ImageMobject("Old_Newton", invert = False) newton.scale(0.8) phil_trans = TextMobject("Philosophical Transactions") rect = Rectangle(height = 6, width = 4.5, color = WHITE) rect.to_corner(UP+RIGHT) rect.shift(DOWN) phil_trans.scale_to_fit_width(0.8*rect.get_width()) phil_trans.next_to(Point(rect.get_top()), DOWN) new_solution = solution.copy() new_solution.scale_to_fit_width(phil_trans.get_width()) new_solution.next_to(phil_trans, DOWN, buff = 1) not_newton = TextMobject("-Totally not by Newton") not_newton.scale_to_fit_width(2.5) not_newton.next_to(new_solution, DOWN, aligned_edge = RIGHT) phil_trans.add(rect) newton_complaint = TextMobject([ "``I do not love to be", " \\emph{dunned} ", "and teased by foreigners''" ], size = "\\small") newton_complaint.to_edge(UP, buff = 0.2) dunned = newton_complaint.split()[1] dunned.highlight() dunned_def = TextMobject("(old timey term for making \\\\ demands on someone)") dunned_def.scale(0.7) dunned_def.next_to(phil_trans, LEFT) dunned_def.shift(2*UP) dunned_arrow = Arrow(dunned_def, dunned) johann = ImageMobject("Johann_Bernoulli2", invert = False) johann.scale(0.4) johann.to_edge(LEFT) johann.shift(DOWN) johann_quote = TextMobject("``I recognize the lion by his claw''") johann_quote.next_to(johann, UP, aligned_edge = LEFT) self.play(ApplyMethod(newton.to_edge, LEFT)) self.play(ShowCreation(clock)) kwargs = { "axis" : OUT, "rate_func" : smooth } self.play( Rotating(hour_hand, radians = -2*np.pi, **kwargs), Rotating(minute_hand, radians = -12*2*np.pi, **kwargs), run_time = 5 ) self.dither() self.clear() self.add(newton) clock.ingest_submobjects() self.play(Transform(clock, solution)) self.remove(clock) self.add(solution) self.dither() self.play( FadeIn(phil_trans), Transform(solution, new_solution) ) self.dither() self.play(ShimmerIn(not_newton)) phil_trans.add(solution, not_newton) self.dither() self.play(*map(ShimmerIn, newton_complaint.split())) self.dither() self.play( ShimmerIn(dunned_def), ShowCreation(dunned_arrow) ) self.dither() self.remove(dunned_def, dunned_arrow) self.play(FadeOut(newton_complaint)) self.remove(newton_complaint) self.play( FadeOut(newton), GrowFromCenter(johann) ) self.remove(newton) self.dither() self.play(ShimmerIn(johann_quote)) self.dither()