Re: TI-H: I need 3D help! Richard?


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Re: TI-H: I need 3D help! Richard?




what is the name of this book and wer can i find some more info on this
stuff .. thanx

-----Original Message-----
From: Richard Piotter <richfile@prairie.lakes.com>
To: ti-hardware@lists.ticalc.org <ti-hardware@lists.ticalc.org>
Date: Monday, May 04, 1998 9:43 PM
Subject: Re: TI-H: I need 3D help! Richard?


>
>I made a program that used matricies to plot 2D graphics. It's too slow for
>real use in BASIC, but it did translation, rotation, reflection, and
scaling
>in a program less than 1K!!! The matrix can be expanded to 3D easily (it's
the
>same method many popular 3D rendering programs use, as well as Silicon
>Graphics wireframe rendering, well, at least according to the text book I
got
>it from).
>
>Anyway, i'm guessing you could add more features.
>
>I suppose scaling and reflectino and stuff is unnecessary, but it's very
>little added memory, so you  might as well keep it.
>
>You'd need to add more keys to the loop so you can do 3D manipulation.
>
>There are two separate programs. One plots lines by drawing from point to
>point to point.
>
>The next does individual lines, two stored points for each. It's half the
>speed, but more flexible.
>
>In ASM, this would ROCK!!! wire frame 3D rendering might be useful!!!
>matricies can store lots of data in a small space and ASM could easily
shrink
>the program!
>
>For 3D, I'm not certain what's required. It'll require some modification.
>
>I can probably attach it later on. I have to find it. It's for the TI-82,
but
>i ported it to the TI-85 as well.
>--
>
>
>Richard Piotter
>richfile@prairie.lakes.com
>
>The Richfiles TI Hardware and BASIC web page:
>http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
>


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