Don,
Simple explanation:
A normal is associated with a vertex to indicate the direction that
light should reflect, thus they describe the surface of an object. By
having your normals adjusted correctly you can make a flat surface
(triangle) appear to be curved.
- John
Don Hermes wrote:
>
> Hi,
> I see normal arrays being used in many of the Shape3D examples. Could
> someone explain how it is applied to the coordinates for the shape?
> thanks,
> Don Hermes
> [EMAIL PROTECTED]
>
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