I was wondering, you say the only way to make a perfect sphere is with a
lot of trianlges. You are correct as far as having a curve being
calculated. However there is some old game engines,.. and some new ones
that are not based off of calculations at of trianlges. They use shifting
colors that are predefined to give depth or apperance of an object. Of
course to make this more dynamic you would do trianlge and normal blah
blah blah calculations. Just reminding it can be done without it.
Ron
On Mon, 17 Jan 2000, Jimmy Talbot wrote:
> Hi,
>
> > model a spherical mirror, and it would be completely obvious if it was just a
> > triangle mesh, no matter how dense. I wish I had the time to immerse myself in
>
> All video cards only handle triangles, so if you've ever seen a rendered
> sphere that looks perfect it was because it was dense enough that you
> couldn't tell the difference. That doesn't mean you should use a mesh for
> your reflection computations; you can (and should) use any
> (java3d-independent) mathematical representation. But when you render, you
> have to use a mesh.
>
> Jimmy
>
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