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Tweaks to IPTScene

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This commit is contained in:
Grant Sanderson 2018-02-28 09:34:38 -08:00
parent 004d3603f2
commit 7e4bd54da7
1 changed files with 13 additions and 8 deletions
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21
active_projects/basel2.py
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@ -2483,6 +2483,17 @@ class IPTScene(TwoLightSourcesScene, ZoomedScene):
self.wait()
# Show spotlight a key point
def show_beaming_light(spotlight):
triangle = get_spotlight_triangle(spotlight)
for x in range(3):
anims = []
if x > 0:
anims.append(FadeOut(triangle.copy()))
anims.append(GrowFromPoint(triangle, triangle.points[0]))
self.play(*anims)
self.play(FadeOut(triangle))
pass
def show_key_point(spotlight, new_point):
screen = spotlight.screen
update_spotlight_anim = UpdateFromFunc(spotlight, update_spotlight)
@ -2490,14 +2501,7 @@ class IPTScene(TwoLightSourcesScene, ZoomedScene):
Transform(screen, screen.alt_version),
update_spotlight_anim,
)
triangle = get_spotlight_triangle(spotlight)
for x in range(3):
anims = []
if x > 0:
anims.append(FadeOut(triangle.copy()))
anims.append(GrowFromPoint(triangle, H))
self.play(*anims)
self.play(FadeOut(triangle))
show_beaming_light(spotlight)
self.play(screen.restore, update_spotlight_anim)
self.wait()
self.play(
@ -2506,6 +2510,7 @@ class IPTScene(TwoLightSourcesScene, ZoomedScene):
update_spotlight_anim,
run_time = 2
)
show_beaming_light(spotlight)
self.wait()
self.play(
lsC.move_source_to, H,