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insightcoder/butter.py

Last active July 26, 2018 20:35
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butter.py
from pyquaternion import Quaternion
import math
rot180 = Quaternion(axis=[1, 0, 0], angle=math.pi)
rot90 = Quaternion(axis=[1, 0, 0], angle=math.pi / 2.0)
def microwave(up):
print('Microwaving for 4 sec facing [%d, %d, %d]' % tuple(up))
def soften_butter():
up = [0, 0, 1]
microwave(up)
up = rot180.rotate(up)
microwave(up)
up = rot90.rotate(up)
microwave(up)
up = rot180.rotate(up)
microwave(up)
print('*** DING! ***')
if __name__ == '__main__':
soften_butter()
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