Function normalize

Interaction/Style/Testing/Python/TestStyleUser.py:36–38

(v)

def dot(u, v):
    return sum(u[i]*v[i] for i in range(0,3))
def normalize(v):
    vmag = magnitude(v)
    return [ v[i]/vmag  for i in range(0,3) ]

# Variables local to this module
left = 0