[Tutor] AttributeError: Vector instance has no attribute 'Normalize'

[bob gailer]

Garrett Hartshaw wrote:
> The program I am writing gives the following error message when run.
>
> Traceback (most recent call last):
>   File "./space.py", line 177, in <module>
>     main()
>   File "./space.py", line 173, in main
>     player = Ship("space/models/fighter.3ds",
> "space/models/realistic.bmp", Quaternion(), Vector(0, 0, -30), 1, 0.1)
>   File "./space.py", line 131, in __init__
>     Object.__init__(self, obj, tex, rot, pos)
>   File "./space.py", line 124, in __init__
>     self.model = Model(obj)
>   File "./space.py", line 80, in __init__
>     self.CalcNormals()
>   File "./space.py", line 90, in CalcNormals
>     vectB = (vectA - vectB).Normalize()
> AttributeError: Vector instance has no attribute 'Normalize'
>   

I get a different error:
  File "J:\pipelines\vector.py", line 8, in Normalize
    return self / self.Length()
AttributeError: Vector instance has no attribute 'Length'

> The definition for Vector is:
>
> class Vector:
>     def __init__(self, x=0, y=0, z=0):
>         self.x = x
>         self.y = y
>         self.z = z
>
>     def Normalize(self):
>         return self / self.Length()
>
>     def __sub__(self, right):
>         return Vector(self.x - right.x, self.y - right.y, self.z - right.z)
>
>
>   


-- 
Bob Gailer<br>
Chapel Hill NC<br>
919-636-4239