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This commit is contained in:
Grant Sanderson
2018-01-15 19:15:05 -08:00
parent 8f895f3bfc
commit 407d72bb94
91 changed files with 6314 additions and 6309 deletions
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276
old_projects/eoc/chapter1.py
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@ -129,7 +129,7 @@ class CircleScene(PiCreatureScene):
Write(nudge_label),
run_time = run_time/2.
)
self.dither(run_time/2.)
self.wait(run_time/2.)
self.nudge_line = nudge_line
self.nudge_arrow = nudge_arrow
self.nudge_label = nudge_label
@ -300,7 +300,7 @@ class Introduction(TeacherStudentsScene):
for pi in self.get_pi_creatures()
]
)
self.dither(3)
self.wait(3)
self.series = series
self.essence_words = essence_words
@ -347,12 +347,12 @@ class Introduction(TeacherStudentsScene):
self.teacher.change_mode, "plain"
]
)
self.dither(2)
self.wait(2)
self.play(
Write(rules[0]),
self.teacher.change_mode, "raise_right_hand",
)
self.dither()
self.wait()
alt_rules_list = list(rules[1:]) + [VectorizedPoint(self.teacher.eyes.get_top())]
for last_rule, rule, video_index in zip(rules, alt_rules_list, video_indices):
video = self.series[video_index]
@ -361,7 +361,7 @@ class Introduction(TeacherStudentsScene):
FadeIn(rule),
)
self.play(Animation(rule))
self.dither()
self.wait()
self.play(
self.teacher.change_mode, "happy",
self.teacher.look_at, student.eyes
@ -404,7 +404,7 @@ class Introduction(TeacherStudentsScene):
student.look_at, calculus
)
self.play(ShowCreation(arrow))
self.dither(2)
self.wait(2)
class PreviewFrame(Scene):
def construct(self):
@ -425,10 +425,10 @@ class PreviewFrame(Scene):
frame.next_to(title, DOWN)
self.add(frame, title)
self.dither(3)
self.wait(3)
for next_title in titles[1:]:
self.play(Transform(title, next_title))
self.dither(3)
self.wait(3)
class ProductRuleDiagram(Scene):
def construct(self):
@ -516,7 +516,7 @@ class ProductRuleDiagram(Scene):
ReplacementTransform(d_rect.line, d_rect)
for d_rect in d_rects
])
self.dither()
self.wait()
self.play(
d_rects.space_out_submobjects, 1.2,
MaintainPositionRelativeTo(
@ -528,7 +528,7 @@ class ProductRuleDiagram(Scene):
dg_rect
),
)
self.dither()
self.wait()
deriv = TexMobject(
"d(", "fg", ")", "=",
@ -556,7 +556,7 @@ class ProductRuleDiagram(Scene):
for tex in "d(", ")", "=", "\\cdot", "+"
])))
], run_time = 3)
self.dither()
self.wait()
class IntroduceCircle(CircleScene):
CONFIG = {
@ -580,7 +580,7 @@ class IntroduceCircle(CircleScene):
self.pi_creature.look_at, self.circle
)
self.introduce_circle()
self.dither()
self.wait()
R_copy = self.radius_label.copy()
self.play(
self.pi_creature.change_mode, "raise_right_hand",
@ -589,7 +589,7 @@ class IntroduceCircle(CircleScene):
)
self.play(Write(area))
self.remove(R_copy)
self.dither()
self.wait()
self.area = area
@ -614,14 +614,14 @@ class IntroduceCircle(CircleScene):
self.pi_creature.change_mode, "confused",
self.pi_creature.look_at, self.area,
)
self.dither()
self.wait()
self.play(
FadeIn(rings, **ring_anim_kwargs),
Animation(self.radius_group),
FadeOut(q_marks),
self.pi_creature.change_mode, "thinking"
)
self.dither()
self.wait()
self.play(
rings.rotate, np.pi/2,
rings.move_to, unwrapped_rings.get_top(),
@ -632,7 +632,7 @@ class IntroduceCircle(CircleScene):
self.play(
Transform(rings, unwrapped_rings, **ring_anim_kwargs),
)
self.dither()
self.wait()
def show_calculus_symbols(self):
ftc = TexMobject(
@ -648,7 +648,7 @@ class IntroduceCircle(CircleScene):
),
self.pi_creature.change_mode, "plain"
)
self.dither()
self.wait()
self.play(
ReplacementTransform(
self.area.get_part_by_tex("Area").copy(),
@ -659,9 +659,9 @@ class IntroduceCircle(CircleScene):
ftc.get_part_by_tex("\\,dr")
)
)
self.dither()
self.wait()
self.play(Write(VGroup(*ftc[-2:])))
self.dither(2)
self.wait(2)
class ApproximateOneRing(CircleScene, ReconfigurableScene):
CONFIG = {
@ -698,7 +698,7 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
self.radius_label, three,
path_arc = np.pi
))
self.dither()
self.wait()
def try_to_understand_area(self):
line_sets = [
@ -729,14 +729,14 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
Animation(self.radius_group),
self.pi_creature.change_mode, "maybe"
)
self.dither(2)
self.wait(2)
for new_lines in line_sets[1:]:
self.play(
Transform(lines, new_lines),
Animation(self.radius_group)
)
self.dither()
self.dither()
self.wait()
self.wait()
self.play(FadeOut(lines), Animation(self.radius_group))
def slice_into_rings(self):
@ -753,14 +753,14 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
self.pi_creature.change_mode, "pondering",
self.pi_creature.look_at, self.circle
)
self.dither(2)
self.wait(2)
for x in range(2):
self.play(
Rotate(rings, np.pi, in_place = True, run_time = 2),
Animation(self.radius_group),
self.pi_creature.change_mode, "happy"
)
self.dither(2)
self.wait(2)
self.rings = rings
@ -789,9 +789,9 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
self.play(ShowCreation(radius))
self.play(Write(r_label))
self.dither()
self.wait()
self.play(Write(area_q))
self.dither()
self.wait()
self.play(*[
ApplyMethod(
r.set_fill, YELLOW,
@ -802,9 +802,9 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
]+[
Animation(self.radius_group)
])
self.dither()
self.wait()
self.change_mode("thinking")
self.dither()
self.wait()
self.original_ring = original_ring
self.ring = ring
@ -823,9 +823,9 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
self.unwrap_ring(ring, to_edge = RIGHT)
self.change_mode("pondering")
self.dither()
self.wait()
self.play(Write(trapezoid))
self.dither()
self.wait()
self.play(trapezoid.shift, DOWN)
strike = Line(
trapezoid.get_left(), trapezoid.get_right(),
@ -837,7 +837,7 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
ShowCreation(strike),
self.pi_creature.change_mode, "happy"
)
self.dither()
self.wait()
self.play(*map(FadeOut, [trapezoid, strike]))
self.unwrapped_ring = ring
@ -894,13 +894,13 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
width_label.get_part_by_tex("r")
)
)
self.dither()
self.wait()
self.play(
GrowFromCenter(side_brace),
Write(q_marks)
)
self.change_mode("confused")
self.dither()
self.wait()
for num_rings in 20, 7:
self.show_alternate_width(num_rings)
self.play(ReplacementTransform(q_marks, dr_label))
@ -909,19 +909,19 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
ReplacementTransform(dr_label.copy(), alt_dr_label),
run_time = 2
)
self.dither()
self.wait()
self.play(
dr_label.next_to, concrete_dr.copy(), LEFT, SMALL_BUFF, DOWN,
Write(concrete_dr, run_time = 2),
self.pi_creature.change_mode, "pondering"
)
self.dither(2)
self.wait(2)
self.play(
MoveToTarget(two_pi_r_dr),
FadeIn(approx),
self.area_q.get_part_by_tex("?").fade, 1,
)
self.dither()
self.wait()
self.play(
FadeOut(concrete_dr),
dr_label.restore
@ -931,7 +931,7 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
transformation_kwargs = {"run_time" : 4},
return_to_original_configuration = False,
)
self.dither(2)
self.wait(2)
self.look_at(self.circle)
self.play(
ApplyWave(self.rings, amplitude = 0.1),
@ -941,7 +941,7 @@ class ApproximateOneRing(CircleScene, ReconfigurableScene):
run_time = 3,
submobject_mode = "lagged_start"
)
self.dither(2)
self.wait(2)
def show_alternate_width(self, num_rings, **kwargs):
self.transition_to_alt_config(
@ -955,7 +955,7 @@ class MoveForwardWithApproximation(TeacherStudentsScene):
"the", "approximation"
)
self.change_student_modes("hesitant", "erm", "sassy")
self.dither()
self.wait()
words = TextMobject(
"It gets better",
"\\\\ for smaller ",
@ -963,7 +963,7 @@ class MoveForwardWithApproximation(TeacherStudentsScene):
)
words.highlight_by_tex("dr", BLUE)
self.teacher_says(words, target_mode = "shruggie")
self.dither(3)
self.wait(3)
class GraphRectangles(CircleScene, GraphScene):
CONFIG = {
@ -1033,11 +1033,11 @@ class GraphRectangles(CircleScene, GraphScene):
self.add(rings, self.radius_group)
self.remove(self.circle)
self.dither()
self.wait()
self.play(*draw_ring_sum_anims)
self.play(Write(area_label, run_time = 2))
self.play(ShowCreation(arrows))
self.dither()
self.wait()
self.ring_sum = ring_sum
area_label.add(arrows)
@ -1096,16 +1096,16 @@ class GraphRectangles(CircleScene, GraphScene):
ShowCreation(first_tick),
)
self.play(Indicate(self.rings[0]))
self.dither()
self.wait()
self.play(
Transform(moving_arrow, arrows[-1]),
ShowCreation(r_ticks, submobject_mode = "lagged_start"),
run_time = 2
)
self.play(Indicate(self.rings[-1]))
self.dither()
self.wait()
self.play(FadeIn(dr_group))
self.dither()
self.wait()
self.play(*map(FadeOut, [moving_arrow, values_of_r]))
self.x_axis.add(r_ticks)
@ -1171,7 +1171,7 @@ class GraphRectangles(CircleScene, GraphScene):
),
Animation(self.x_axis),
)
self.dither(2)
self.wait(2)
self.play(*[
MoveToTarget(
ring,
@ -1184,7 +1184,7 @@ class GraphRectangles(CircleScene, GraphScene):
np.linspace(0, 0.75, len(transformed_rings))
)
] + foreground_animations)
self.dither()
self.wait()
##Demonstrate height of one rect
highlighted_ring = transformed_rings[6].copy()
@ -1207,16 +1207,16 @@ class GraphRectangles(CircleScene, GraphScene):
self.dr_group.next_to, highlighted_ring,
DOWN, SMALL_BUFF
)
self.dither()
self.wait()
self.play(
GrowFromCenter(side_brace),
Write(height_label)
)
self.dither()
self.wait()
self.play(Transform(highlighted_ring, original_ring))
self.dither()
self.wait()
self.play(highlighted_ring.restore)
self.dither()
self.wait()
self.play(
transformed_rings.set_fill, None, 1,
FadeOut(side_brace),
@ -1224,7 +1224,7 @@ class GraphRectangles(CircleScene, GraphScene):
*foreground_animations
)
self.remove(highlighted_ring)
self.dither()
self.wait()
##Rescale
self.play(*[
@ -1239,7 +1239,7 @@ class GraphRectangles(CircleScene, GraphScene):
] + foreground_animations)
self.remove(transformed_rings)
self.add(rects)
self.dither()
self.wait()
self.rects = rects
@ -1253,7 +1253,7 @@ class GraphRectangles(CircleScene, GraphScene):
self.play(ShowCreation(self.graph))
self.play(Write(graph_label))
self.dither()
self.wait()
self.play(*[
Transform(
rect, flat_rect,
@ -1270,7 +1270,7 @@ class GraphRectangles(CircleScene, GraphScene):
)
] + map(Animation, [self.x_axis, self.graph])
)
self.dither(2)
self.wait(2)
def point_out_approximation(self):
rect = self.rects[10]
@ -1286,12 +1286,12 @@ class GraphRectangles(CircleScene, GraphScene):
MoveToTarget(rect),
Write(approximation),
)
self.dither(2)
self.wait(2)
self.play(
rect.restore,
FadeOut(approximation)
)
self.dither()
self.wait()
def let_dr_approah_zero(self):
thinner_rects_list = [
@ -1319,14 +1319,14 @@ class GraphRectangles(CircleScene, GraphScene):
Animation(self.axes),
Animation(self.graph),
)
self.dither()
self.wait()
self.play(ApplyWave(
self.rects,
direction = RIGHT,
run_time = 2,
submobject_mode = "lagged_start",
))
self.dither()
self.wait()
def compute_area_under_graph(self):
formula, formula_with_R = formulas = [
@ -1355,29 +1355,29 @@ class GraphRectangles(CircleScene, GraphScene):
self.play(Write(formula.top_line, run_time = 2))
self.play(FocusOn(base_line))
self.play(ShowCreation(base_line))
self.dither()
self.wait()
self.play(
GrowFromCenter(brace),
Write(height_label)
)
self.dither()
self.wait()
self.play(FocusOn(formula))
self.play(Write(formula.mid_line))
self.dither()
self.wait()
self.play(Write(formula.bottom_line))
self.dither(2)
self.wait(2)
self.play(*map(FadeOut, [
self.ghost_rings,
self.ring_sum.tex_mobs
]))
self.play(*map(FadeIn, [fresh_rings, self.radius_group]))
self.dither()
self.wait()
self.play(
Transform(formula, formula_with_R),
Transform(height_label, height_label_with_R),
)
self.dither(2)
self.wait(2)
self.fresh_rings = fresh_rings
@ -1414,7 +1414,7 @@ class GraphRectangles(CircleScene, GraphScene):
),
Animation(self.radius_group)
)
self.dither()
self.wait()
#####
@ -1500,7 +1500,7 @@ class ThinkLikeAMathematician(TeacherStudentsScene):
pi_R_squraed.set_fill, None, 1
)
self.change_student_modes(*["hooray"]*3)
self.dither(2)
self.wait(2)
self.change_student_modes(
*["pondering"]*3,
look_at_arg = self.teacher.eyes,
@ -1510,7 +1510,7 @@ class ThinkLikeAMathematician(TeacherStudentsScene):
)
self.play(FadeOut(pi_R_squraed))
self.look_at(2*UP+4*LEFT)
self.dither(5)
self.wait(5)
class TwoThingsToNotice(TeacherStudentsScene):
def construct(self):
@ -1520,7 +1520,7 @@ class TwoThingsToNotice(TeacherStudentsScene):
)
words.highlight_by_tex("dr", GREEN)
self.teacher_says(words, run_time = 1)
self.dither(3)
self.wait(3)
class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
def setup(self):
@ -1555,7 +1555,7 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
integral_condition,
submobject_mode = "lagged_start"
))
self.dither()
self.wait()
self.play(*draw_ring_sum_anims)
self.rings = rings
@ -1613,12 +1613,12 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
for approximation in approximations
]
)
self.dither()
self.wait()
self.play(Write(VGroup(*[
approximation[0]
for approximation in approximations
])))
self.dither()
self.wait()
self.area_label = area_label
self.area_arrows = arrows
@ -1652,15 +1652,15 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
run_time = 2,
path_arc = np.pi/2,
))
self.dither()
self.wait()
self.play(FadeIn(self.x_axis))
self.play(Write(r_ticks, run_time = 1))
self.dither()
self.wait()
self.play(
GrowFromCenter(dr_brace),
dr_copy.next_to, dr_brace.copy(), UP
)
self.dither()
self.wait()
self.r_ticks = r_ticks
self.dr_brace_group = VGroup(dr_brace, dr_copy)
@ -1702,7 +1702,7 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
)
self.play(ShowCreation(graph))
self.play(Write(graph_label))
self.dither()
self.wait()
self.graph = graph
self.graph_label = graph_label
@ -1732,7 +1732,7 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
Animation(self.axes),
Animation(self.graph),
)
self.dither()
self.wait()
def full_precision(self):
words = TextMobject("Area under \\\\ a graph")
@ -1756,9 +1756,9 @@ class RecapCircleSolution(GraphRectangles, ReconfigurableScene):
arc.next_to(arc_next_to_group, LEFT, SMALL_BUFF)
self.play(Write(group))
self.dither()
self.wait()
self.play(ShowCreation(arc))
self.dither()
self.wait()
class ExampleIntegralProblems(PiCreatureScene, GraphScene):
CONFIG = {
@ -1787,7 +1787,7 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
Write(words),
self.pi_creature.change_mode, "raise_right_hand"
)
self.dither()
self.wait()
self.words = words
@ -1837,10 +1837,10 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
),
run_time = self.t_max
)
self.dither()
self.wait()
for mob in v_dt:
self.play(Indicate(mob))
self.dither(2)
self.wait(2)
self.v_dt_brace_group = v_dt_brace_group
self.line = line
@ -1895,14 +1895,14 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
)
self.play(ShowCreation(v_graph))
self.change_mode("pondering")
self.dither()
self.wait()
self.play(
v_t.next_to, brace, LEFT, SMALL_BUFF,
dt.next_to, special_rect, DOWN,
special_rect.set_fill, None, 1,
ReplacementTransform(start_brace, brace),
)
self.dither(3)
self.wait(3)
self.v_graph = v_graph
self.rects = rects
@ -1926,7 +1926,7 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
FadeOut(self.v_dt_brace_group_copy),
)
self.change_mode("thinking")
self.dither()
self.wait()
for thinner_rects in thinner_rects_list:
self.play(
Transform(
@ -1935,7 +1935,7 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
submobject_mode = "lagged_start"
)
)
self.dither()
self.wait()
def show_confusion(self):
randy = Randolph(color = BLUE_C)
@ -1952,7 +1952,7 @@ class ExampleIntegralProblems(PiCreatureScene, GraphScene):
self.pi_creature.look_at, randy.eyes
)
self.play(Blink(randy))
self.dither()
self.wait()
class MathematicianPonderingAreaUnderDifferentCurves(PiCreatureScene):
def construct(self):
@ -1960,17 +1960,17 @@ class MathematicianPonderingAreaUnderDifferentCurves(PiCreatureScene):
self.pi_creature.change_mode, "raise_left_hand",
self.pi_creature.look, UP+LEFT
)
self.dither(4)
self.wait(4)
self.play(
self.pi_creature.change_mode, "raise_right_hand",
self.pi_creature.look, UP+RIGHT
)
self.dither(4)
self.wait(4)
self.play(
self.pi_creature.change_mode, "pondering",
self.pi_creature.look, UP+LEFT
)
self.dither(2)
self.wait(2)
def create_pi_creature(self):
self.pi_creature = Randolph(color = BLUE_C)
@ -2010,7 +2010,7 @@ class AreaUnderParabola(GraphScene):
self.play(ShowCreation(graph))
self.play(Write(graph_label))
self.dither()
self.wait()
self.graph = graph
self.graph_label = graph_label
@ -2039,7 +2039,7 @@ class AreaUnderParabola(GraphScene):
),
*map(Animation, foreground_mobjects)
)
self.dither()
self.wait()
for new_rects in rect_lists[1:]:
self.play(
Transform(
@ -2048,7 +2048,7 @@ class AreaUnderParabola(GraphScene):
),
*map(Animation, foreground_mobjects)
)
self.dither()
self.wait()
self.rects = rects
self.dx = dx_list[-1]
@ -2073,9 +2073,9 @@ class AreaUnderParabola(GraphScene):
Write(question),
ShowCreation(arrow)
)
self.dither()
self.wait()
self.play(ShowCreation(v_lines, run_time = 2))
self.dither()
self.wait()
self.foreground_mobjects += [question, arrow]
self.question = question
@ -2094,7 +2094,7 @@ class AreaUnderParabola(GraphScene):
self.play(morty.look_at, self.rects.get_bottom())
self.play(Blink(morty))
self.play(morty.look_at, self.question)
self.dither()
self.wait()
self.play(Blink(morty))
self.play(FadeOut(morty))
@ -2120,11 +2120,11 @@ class AreaUnderParabola(GraphScene):
self.foreground_mobjects.remove(self.axes)
self.play(DrawBorderThenFill(self.right_point_slider))
self.move_right_point_to(2)
self.dither()
self.wait()
self.move_right_point_to(self.default_right_x)
self.dither()
self.wait()
self.play(ReplacementTransform(self.question, A_func))
self.dither()
self.wait()
self.A_func = A_func
@ -2139,7 +2139,7 @@ class AreaUnderParabola(GraphScene):
Write(words),
GrowFromCenter(brace)
)
self.dither()
self.wait()
for x in 4, 2, self.default_right_x:
self.move_right_point_to(x, run_time = 2)
@ -2186,7 +2186,7 @@ class WhoCaresAboutArea(TeacherStudentsScene):
"Who cares!?!", target_mode = "angry",
)
self.play(self.teacher.change_mode, "guilty")
self.dither()
self.wait()
self.play(
RemovePiCreatureBubble(self.students[1]),
self.teacher.change_mode, "raise_right_hand",
@ -2198,7 +2198,7 @@ class WhoCaresAboutArea(TeacherStudentsScene):
added_anims = [self.teacher.look_at, point]
)
self.dither(3)
self.wait(3)
class PlayWithThisIdea(TeacherStudentsScene):
def construct(self):
@ -2207,12 +2207,12 @@ class PlayWithThisIdea(TeacherStudentsScene):
target_mode = "hooray"
)
self.change_student_modes(*["happy"]*3)
self.dither()
self.wait()
equation = TexMobject("A(x)", "\\leftrightarrow", "x^2")
equation.highlight_by_tex("x^2", BLUE)
self.teacher_says(equation, target_mode = "sassy")
self.change_student_modes(*["thinking"]*3)
self.dither(2)
self.wait(2)
class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
CONFIG = {
@ -2299,26 +2299,26 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
FadeIn(dx_group)
)
self.play(Indicate(dx_label))
self.dither()
self.wait()
self.play(ShowCreation(dA_arrow))
self.dither()
self.wait()
self.play(Write(dA_label, run_time = 2))
self.dither()
self.wait()
self.play(
ReplacementTransform(dA_label[0].copy(), difference_in_area[0]),
ReplacementTransform(dA_label[1].copy(), difference_in_area[2]),
*map(FadeIn, [difference_in_area[1], difference_in_area[3]])
)
self.dither(2)
self.wait(2)
self.play(FadeIn(dA_rect), Animation(dA_arrow))
self.play(GrowFromCenter(side_brace))
self.play(
graph_label_copy.highlight, WHITE,
graph_label_copy.next_to, side_brace, LEFT, SMALL_BUFF
)
self.dither()
self.wait()
self.play(Indicate(dx_group))
self.dither()
self.wait()
self.play(FadeOut(difference_in_area))
self.dx_group = dx_group
@ -2360,13 +2360,13 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
for mob, tex in (x_squared, f_tex), (dx, "dx"), (dA, "dA")
])
self.play(Write(equation.get_part_by_tex("approx")))
self.dither()
self.wait()
for tex, mob in (f_tex, x_squared), ("dx", dx):
self.play(*map(Indicate, [
equation.get_part_by_tex(tex),
mob
]))
self.dither(2)
self.wait(2)
self.play(*[
ReplacementTransform(
equation.get_part_by_tex(tex),
@ -2377,9 +2377,9 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
] + [
Write(deriv_equation.get_part_by_tex("over"))
])
self.dither(2)
self.wait(2)
self.shrink_dx(return_to_original_configuration = False)
self.dither()
self.wait()
self.deriv_equation = deriv_equation
@ -2407,14 +2407,14 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
)
self.play(Write(q_marks, run_time = 2))
self.play(Blink(randy))
self.dither()
self.wait()
self.play(
randy.change_mode, "surprised",
randy.look_at, dA_circle,
ReplacementTransform(A_circle, dA_circle)
)
self.play(Blink(randy))
self.dither()
self.wait()
self.play(*map(FadeOut, [randy, q_marks, dA_circle]))
def write_example_inputs(self):
@ -2446,7 +2446,7 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
ShowCreation(line_copy)
)
self.play(FadeOut(line_copy))
self.dither()
self.wait()
self.three = three
self.three_plus_dx = three_plus_dx
@ -2474,7 +2474,7 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
expression.get_part_by_tex(")"),
)),
)
self.dither()
self.wait()
self.play(
ReplacementTransform(
self.three.get_part_by_tex("%d"%d).copy(),
@ -2485,7 +2485,7 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
expression.get_parts_by_tex(")")[1],
)),
)
self.dither(2)
self.wait(2)
self.play(
Write(expression.get_part_by_tex("over")),
ReplacementTransform(
@ -2494,7 +2494,7 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
)
)
self.dither()
self.wait()
self.play(
Write(expression.get_part_by_tex("approx")),
ReplacementTransform(
@ -2503,7 +2503,7 @@ class PlayingTowardsDADX(AreaUnderParabola, ReconfigurableScene):
run_time = 2
)
)
self.dither()
self.wait()
def show_smaller_x(self):
self.transition_to_alt_config(
@ -2558,7 +2558,7 @@ class AlternateAreaUnderCurve(PlayingTowardsDADX):
ShowCreation(arrow),
FadeIn(dx_to_zero_words),
)
self.dither()
self.wait()
self.transition_to_alt_config(
deriv_dx = self.deriv_dx/4.0,
transformation_kwargs = {"run_time" : 2}
@ -2597,12 +2597,12 @@ class AlternateAreaUnderCurve(PlayingTowardsDADX):
dx_to_zero = self.dx_to_zero_words[1]
self.play(*map(FadeIn, [box, brace]))
self.dither()
self.wait()
self.play(
FadeOut(faders),
dx_to_zero.next_to, box, DOWN
)
self.dither()
self.wait()
########
@ -2629,9 +2629,9 @@ class NextVideoWrapper(Scene):
self.add(titles[0])
self.play(ShowCreation(rect))
self.dither(3)
self.wait(3)
self.play(Transform(*titles))
self.dither(3)
self.wait(3)
class ProblemSolvingTool(TeacherStudentsScene):
def construct(self):
@ -2639,7 +2639,7 @@ class ProblemSolvingTool(TeacherStudentsScene):
The derivative is a
problem-solving tool
""")
self.dither(3)
self.wait(3)
class FundamentalTheorem(Scene):
def construct(self):
@ -2655,11 +2655,11 @@ class FundamentalTheorem(Scene):
deriv.next_to(arrow, RIGHT)
self.play(ShowCreation(arrow))
self.dither()
self.wait()
self.play(Write(deriv))
self.dither()
self.wait()
self.play(Write(words))
self.dither()
self.wait()
class NextVideos(TeacherStudentsScene):
def construct(self):
@ -2672,7 +2672,7 @@ class NextVideos(TeacherStudentsScene):
self.teacher_says(
"That's a high-level view"
)
self.dither()
self.wait()
self.play(
RemovePiCreatureBubble(
self.teacher,
@ -2698,7 +2698,7 @@ class NextVideos(TeacherStudentsScene):
)
for video, alpha in zip(series, np.linspace(0, 0.7, len(series)))
])
self.dither()
self.wait()
student = self.get_students()[1]
self.remove(student)
@ -2723,9 +2723,9 @@ class NextVideos(TeacherStudentsScene):
student.change_mode, "confused",
student.look_at, words
)
self.dither(3)
self.wait(3)
self.play(student.change_mode, "thinking")
self.dither(4)
self.wait(4)
class Chapter1PatreonThanks(PatreonThanks):
CONFIG = {
@ -2766,7 +2766,7 @@ class EndScreen(PiCreatureScene):
),
self.pi_creature.change_mode, "hooray"
)
self.dither()
self.wait()
mode_point_pairs = [
("raise_left_hand", 5*LEFT+3*UP),
("raise_right_hand", 5*RIGHT+3*UP),
@ -2778,8 +2778,8 @@ class EndScreen(PiCreatureScene):
]
for mode, point in mode_point_pairs:
self.play(self.pi_creature.change, mode, point)
self.dither()
self.dither(3)
self.wait()
self.wait(3)
def create_pi_creature(self):