[CST-2] Advanced Graphics

[Chris Applegate]

> You have the normal wrong, although I agree with most of the
> other stuff
> you've written.
>
> The normal is actually:
>
> (-2x,2y,2z)

The x-component normal of the surface of the cone does not depend on x
at all, surely - it's constant...something like root 2 from what i
remember.

Also you should consider the normals at the endcaps, but these are
trivial: (-1,0,0) and (1,0,0)

Cheerio,

Chris
do something lastminute.work

Chris Applegate
Room X6, Corpus Christi College, Cambridge, CB2 1RH
chris@qwghlm.co.uk / www.qwghlm.co.uk / [Redacted by SRCF sysadmins on request]
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