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working on basel

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This commit is contained in:
Ben Hambrecht
2018-01-17 15:18:02 -08:00
parent 1b67abd8a9
commit a236e33e50
5 changed files with 380 additions and 3 deletions
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14
topics/numerals.py
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@ -9,7 +9,8 @@ from helpers import *
class DecimalNumber(VMobject):
CONFIG = {
"num_decimal_points" : 2,
"digit_to_digit_buff" : 0.05
"digit_to_digit_buff" : 0.05,
"show_ellipsis" : False
}
def __init__(self, number, **kwargs):
digest_config(self, kwargs, locals())
@ -18,6 +19,10 @@ class DecimalNumber(VMobject):
TexMobject(char)
for char in num_string
], **kwargs)
if self.show_ellipsis:
self.add(TexMobject("\\dots"))
self.arrange_submobjects(
buff = self.digit_to_digit_buff,
aligned_edge = DOWN
@ -46,6 +51,7 @@ class Integer(VGroup):
class ChangingDecimal(Animation):
CONFIG = {
"num_decimal_points" : None,
"show_ellipsis" : None,
"spare_parts" : 2,
"position_update_func" : None,
"tracked_mobject" : None
@ -54,6 +60,8 @@ class ChangingDecimal(Animation):
digest_config(self, kwargs, locals())
if self.num_decimal_points is None:
self.num_decimal_points = decimal_number_mobject.num_decimal_points
if self.show_ellipsis is None:
self.show_ellipsis = decimal_number_mobject.show_ellipsis
decimal_number_mobject.add(*[
VectorizedPoint(decimal_number_mobject.get_corner(DOWN+LEFT))
for x in range(self.spare_parts)]
@ -71,7 +79,9 @@ class ChangingDecimal(Animation):
decimal = self.decimal_number_mobject
new_number = self.number_update_func(alpha)
new_decimal = DecimalNumber(
new_number, num_decimal_points = self.num_decimal_points
new_number,
num_decimal_points = self.num_decimal_points,
show_ellipsis = self.show_ellipsis
)
new_decimal.replace(decimal, dim_to_match = 1)
new_decimal.highlight(decimal.get_color())