def __constrain(self, vector, axis):
"""
private constrain (used to constrain axis)
"""
res = PVector.sub(vector, PVector.mult(axis, PVector.dot(axis, vector)))
res.normalize()
return res
def __constrain(self, vector, axis):
"""
private constrain (used to constrain axis)
"""
res = PVector.sub(vector, PVector.mult(axis, PVector.dot(axis,
vector)))
res.normalize()
return res
