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Added include_sign flag to DecimalNumber

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Grant Sanderson 2018-06-12 18:48:17 -07:00
parent edaaa26b7a
commit 45c0e0ccb7
1 changed files with 3 additions and 0 deletions
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3
mobject/numbers.py
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@ -13,6 +13,7 @@ class DecimalNumber(VMobject):
"show_ellipsis": False, "show_ellipsis": False,
"unit": None, # Aligned to bottom unless it starts with "^" "unit": None, # Aligned to bottom unless it starts with "^"
"include_background_rectangle": False, "include_background_rectangle": False,
"include_sign": False,
} }
def __init__(self, number, **kwargs): def __init__(self, number, **kwargs):
@ -30,6 +31,8 @@ class DecimalNumber(VMobject):
) )
else: else:
num_string = '%.*f' % (ndp, number) num_string = '%.*f' % (ndp, number)
if self.include_sign and number >= 0:
num_string = "+" + num_string
negative_zero_string = "-%.*f" % (ndp, 0.) negative_zero_string = "-%.*f" % (ndp, 0.)
if num_string == negative_zero_string: if num_string == negative_zero_string:
num_string = num_string[1:] num_string = num_string[1:]