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A few tweaks to lost_lecture while editing it all together

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This commit is contained in:
Grant Sanderson 2018-07-18 16:33:45 -07:00
parent b5796e4ed9
commit 943998ff3c
1 changed files with 57 additions and 7 deletions
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64
active_projects/lost_lecture.py
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@ -267,10 +267,10 @@ class ShowFullStory(Scene):
scene_names = [
"ShowEmergingEllipse",
"ShowFullStory",
"FeynmanAndOrbitingPlannetOnEllipseDiagram",
"FeynmanFameStart",
"TheMotionOfPlanets",
"FeynmanElementaryQuote",
"DrawingEllipse",
"ShowEllipseDefiningProperty",
"ProveEllipse",
"KeplersSecondLaw",
@ -918,6 +918,19 @@ class AskAboutEllipses(TheMotionOfPlanets):
return line, line_update
class FeynmanSaysItBest(TeacherStudentsScene):
def construct(self):
self.teacher_says(
"Feynman says \\\\ it best",
added_anims=[
self.get_student_changes(
"hooray", "happy", "erm"
)
]
)
self.wait(3)
class FeynmanElementaryQuote(Scene):
def construct(self):
quote_text = """
@ -985,19 +998,32 @@ class FeynmanElementaryQuote(Scene):
image.scale_to_fit_height(3)
images.arrange_submobjects(RIGHT, buff=LARGE_BUFF)
images.to_edge(DOWN, buff=LARGE_BUFF)
images[1].move_to(images[0])
crosses = VGroup(*map(Cross, images))
crosses.set_stroke("RED", 10)
for image, cross in zip(images, crosses):
image.add(SurroundingRectangle(
image.rect = SurroundingRectangle(
image,
stroke_width=3,
stroke_color=WHITE,
buff=0
))
)
cross.scale(1.1)
self.play(FadeInFromDown(image))
self.play(ShowCreation(cross))
self.play(
FadeInFromDown(images[0]),
FadeInFromDown(images[0].rect)
)
self.play(ShowCreation(crosses[0]))
self.wait()
self.play(
FadeOutAndShiftDown(images[0]),
FadeOutAndShiftDown(images[0].rect),
FadeOutAndShiftDown(crosses[0]),
FadeInFromDown(images[1]),
FadeInFromDown(images[1].rect),
)
self.play(ShowCreation(crosses[1]))
self.wait()
@ -1080,6 +1106,28 @@ class TableOfContents(Scene):
self.wait()
class DrawEllipseOverlay(Scene):
def construct(self):
ellipse = Circle()
ellipse.stretch_to_fit_width(7.0)
ellipse.stretch_to_fit_height(3.8)
ellipse.shift(1.05 * UP + 0.48 * LEFT)
ellipse.set_stroke(RED, 8)
image = ImageMobject(
os.path.join(
get_image_output_directory(self.__class__),
"HeldUpEllipse.jpg"
)
)
image.scale_to_fit_height(FRAME_HEIGHT)
# self.add(image)
self.play(ShowCreation(ellipse))
self.wait()
self.play(FadeOut(ellipse))
class ShowEllipseDefiningProperty(Scene):
CONFIG = {
"camera_config": {"background_opacity": 1},
@ -1629,7 +1677,8 @@ class ProveEllipse(ShowEmergingEllipse, ShowEllipseDefiningProperty):
self.play(LaggedStart(Restore, lines))
self.play(
FadeOut(to_fade),
line.set_stroke, {"width": 3},
ghost_line.set_stroke, YELLOW, 3,
line.set_stroke, WHITE, 3,
ReplacementTransform(ep_dot.copy(), P_dot),
)
self.play(FadeInFromDown(P_label))
@ -3338,7 +3387,8 @@ class ShowEqualAngleSlices15DegreeSlices(ShowEqualAngleSlices):
class ShowEqualAngleSlices5DegreeSlices(ShowEqualAngleSlices):
CONFIG = {
"animate_sun": True,
# "animate_sun": True,
"animate_sun": False,
"theta": 5 * DEGREES,
}