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made not_quite_there alpha_func more general

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Grant Sanderson
2015-12-21 12:43:53 -08:00
parent 2322018875
commit 7f45044baf
1 changed files with 5 additions and 2 deletions
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7
helpers.py
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@ -257,8 +257,11 @@ def there_and_back(t, inflection = 10.0):
new_t = 2*t if t < 0.5 else 2*(1 - t) new_t = 2*t if t < 0.5 else 2*(1 - t)
return smooth(new_t, inflection) return smooth(new_t, inflection)
def not_quite_there(t, proportion = 0.7):
return proportion*smooth(t) def not_quite_there(func = smooth, proportion = 0.7):
def result(t):
return proportion*func(t)
return result
def wiggle(t, wiggles = 2): def wiggle(t, wiggles = 2):
return there_and_back(t) * np.sin(wiggles*np.pi*t) return there_and_back(t) * np.sin(wiggles*np.pi*t)