Cameron/Bezier
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working on slicing

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Cameron Neville
2018-02-25 22:34:54 -05:00
parent c5bd942219
commit 462246fda9
1 changed files with 12 additions and 1 deletions
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13
bezier.py
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@@ -1,3 +1,5 @@
from math import factorial as fact
class Bezier: class Bezier:
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
if len(args) == 1: if len(args) == 1:
@@ -47,4 +49,13 @@ class Bezier:
start = max(start, 0) start = max(start, 0)
stop = min(stop, 1) stop = min(stop, 1)
stop = max(stop, 0) stop = max(stop, 0)
return [self[i] for i in stepper(start, stop, step)]
else:
n = len(self.x) - 1
x = 0
y = 0
for i in range(n+1):
#eww
x += self.x[i]*((1-t)**i)*(t**(n-i))*fact(n)/fact(i)/fact(n-i)
y += self.y[i]*((1-t)**i)*(t**(n-i))*fact(n)/fact(i)/fact(n-i)
return (x, y)