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Fixed(?) eye-tracking for PiCreatureScene

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This commit is contained in:
Grant Sanderson
2019-06-20 20:23:48 -07:00
parent 0e44abe741
commit a9baae4e98
1 changed files with 10 additions and 15 deletions
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25
manimlib/for_3b1b_videos/pi_creature_scene.py
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@ -3,8 +3,8 @@ import random
from manimlib.animation.transform import ReplacementTransform
from manimlib.animation.transform import Transform
from manimlib.animation.transform import ApplyMethod
from manimlib.animation.composition import LaggedStart
from manimlib.animation.update import UpdateFromAlphaFunc
from manimlib.constants import *
from manimlib.for_3b1b_videos.pi_creature import Mortimer
from manimlib.for_3b1b_videos.pi_creature import PiCreature
@ -12,12 +12,12 @@ from manimlib.for_3b1b_videos.pi_creature import Randolph
from manimlib.for_3b1b_videos.pi_creature_animations import Blink
from manimlib.for_3b1b_videos.pi_creature_animations import PiCreatureBubbleIntroduction
from manimlib.for_3b1b_videos.pi_creature_animations import RemovePiCreatureBubble
from manimlib.mobject.mobject import Group
from manimlib.mobject.frame import ScreenRectangle
from manimlib.mobject.svg.drawings import SpeechBubble
from manimlib.mobject.svg.drawings import ThoughtBubble
from manimlib.mobject.types.vectorized_mobject import VGroup
from manimlib.scene.scene import Scene
from manimlib.utils.bezier import interpolate
from manimlib.utils.rate_functions import squish_rate_func
from manimlib.utils.rate_functions import there_and_back
from manimlib.utils.space_ops import get_norm
@ -154,6 +154,8 @@ class PiCreatureScene(Scene):
first mobject being animated with each .play call
"""
animations = Scene.compile_play_args_to_animation_list(self, *args, **kwargs)
anim_mobjects = Group(*[a.mobject for a in animations])
all_movers = anim_mobjects.get_family()
if not self.any_pi_creatures_on_screen():
return animations
@ -169,19 +171,12 @@ class PiCreatureScene(Scene):
# is being animated
first_anim = non_pi_creature_anims[0]
main_mobject = first_anim.mobject
animations += [
UpdateFromAlphaFunc(
pi_creature,
lambda p, a: p.look_at(
interpolate(
p.get_look_at_spot(),
main_mobject.get_center(),
a,
)
),
)
for pi_creature in pi_creatures
]
for pi_creature in pi_creatures:
if pi_creature not in all_movers:
animations.append(ApplyMethod(
pi_creature.look_at,
main_mobject,
))
return animations
def blink(self):