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Start of chapter 10

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This commit is contained in:
Grant Sanderson
2016-09-10 17:35:15 -07:00
parent c2301e282c
commit 0df8b73a87
4 changed files with 247 additions and 49 deletions
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28
topics/characters.py
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@ -115,6 +115,7 @@ class PiCreature(SVGMobject):
else:
point = point_or_mobject
self.look(point - self.eyes.get_center())
return self
def get_looking_direction(self):
@ -176,33 +177,6 @@ class Blink(ApplyMethod):
def __init__(self, pi_creature, **kwargs):
ApplyMethod.__init__(self, pi_creature.blink, **kwargs)
class DoTheWave(Transform):
CONFIG = {
"run_time" : 2
}
def __init__(self, pi_creature, **kwargs):
start_state = pi_creature.copy()
self.target_states = [
pi_creature.copy().change_mode("wave_%d"%x)
for x in 1, 2, 3
] + [
pi_creature.copy()
]
Transform.__init__(self, pi_creature, self.target_states[0], **kwargs)
def update_mobject(self, alpha):
scaled = alpha*len(self.target_states)
try:
if scaled-1 > 0:
self.starting_mobject = self.target_states[int(scaled)-1]
self.ending_mobject = self.target_states[int(scaled)]
except IndexError:
self.ending_mobject = self.target_states[-1]
Transform.update_mobject(self, scaled%1)
return self
class Bubble(SVGMobject):