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Rough drafts for chapter 8 parts

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This commit is contained in:
Grant Sanderson
2016-08-30 22:17:07 -07:00
parent 382fc41d37
commit df13f10653
5 changed files with 766 additions and 53 deletions
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13
topics/characters.py
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@ -31,6 +31,7 @@ class PiCreature(SVGMobject):
"initial_scale_factor" : 0.01,
"corner_scale_factor" : 0.75,
"flip_at_start" : False,
"is_looking_direction_purposeful" : False,
}
def __init__(self, mode = "plain", **kwargs):
self.parts_named = False
@ -81,18 +82,20 @@ class PiCreature(SVGMobject):
def change_mode(self, mode):
curr_center = self.get_center()
curr_height = self.get_height()
looking_direction = None
looking_direction = self.get_looking_direction()
should_be_flipped = self.is_flipped()
should_be_flipped = self.is_flipped()
if self.is_looking_direction_purposeful:
looking_direction = self.get_looking_direction()
self.__init__(mode)
self.scale_to_fit_height(curr_height)
self.shift(curr_center)
self.look(looking_direction)
if should_be_flipped ^ self.is_flipped():
self.flip()
if self.is_looking_direction_purposeful:
self.look(looking_direction)
return self
def look(self, direction):
self.is_looking_direction_purposeful = True
x, y = direction[:2]
for pupil, eye in zip(self.pupils.split(), self.eyes.split()):
pupil.move_to(eye, aligned_edge = direction)
@ -113,7 +116,7 @@ class PiCreature(SVGMobject):
def get_looking_direction(self):
return np.sign(np.round(
self.pupils.get_center() - self.eyes.get_center(),
decimals = 1
decimals = 2
))
def is_flipped(self):