public-mirrors/3b1b-manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-08-05 16:49:03 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fidgeting with the little screens

Browse source
This commit is contained in:
Ben Hambrecht 2018-02-13 17:49:35 +01:00
parent 7dde8cfdf2
commit ea18fe08f1
1 changed files with 23 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
active_projects/basel.py
View file

@ -1730,18 +1730,20 @@ class IPTScene1(PiCreatureScene):
# now move the light source to the height point
# while shifting scaling the screen
screen1p = screen1#.deepcopy()
self.add(screen1p)
screen1p = screen1.deepcopy()
screen1pp = screen1.deepcopy()
#self.add(screen1p)
angle = np.arccos(length_b / length_c)
vector = (H - C) * SCREEN_SCALE * 0.5
screen1p.stretch_to_fit_width(screen_width_bp)
screen1p.rotate(-angle)
screen1p.shift(vector)
self.play(
ls1.move_source_to,H,
screen1p.stretch_to_fit_width,screen_width_bp,
screen1p.rotate,-angle,
screen1p.shift,vector,
Transform(screen1,screen1p)
)
# add and move the second light source and screen
@ -1778,17 +1780,25 @@ class IPTScene1(PiCreatureScene):
# now move the light source to the height point
# while shifting scaling the screen
screen2p = screen2#.deepcopy()
screen2p = screen2.deepcopy()
screen2pp = screen2.deepcopy()
angle = np.arccos(length_a / length_c)
screen2p.stretch_to_fit_width(screen_width_ap)
screen2p.rotate(angle)
# we can reuse the translation vector
screen2p.shift(vector)
self.play(
ls2.move_source_to,H,
SwitchOff(ls1.ambient_light),
Transform(screen2,screen2p)
)
screen2p.stretch_to_fit_width,screen_width_ap,
screen2p.rotate,angle,
# we can reuse the translation vector
screen2p.shift,vector,
SwitchOff(ls1.ambient_light)
# now transform both screens back
self.play(
Transform(screen1, screen1pp),
Transform(screen2, screen2pp),
)
@ -1806,5 +1816,3 @@ class IPTScene1(PiCreatureScene):