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2D/3D-matrices, graphics, physics and that

 [1/2] from: nitsch-lists::netcologne::de at: 8-Jan-2002 13:15

2D/3D-matrices, graphics, physics and that Hi all, until now iam more a text-processing programmer and never understand this matrix-stuff really. i would like to do some more clever graphics stuff, but sitting lonely with my books i think i never get it. getting first understanding is not my strong point, I look at the stuff, going afraid, smartness decreases.. if i have some stuff/knowlege to play with, it gets usually better. any guys out there in a similar situation, and more skilled people to answer really silly questions? could give an easy-doc-style tutorial with dragging some faces around. first silly (2D): i know there is this multiplication, and found some examples how to do. but where to put coordinates in and getting them out?? then i could do some moving and rotating rectangulars, like cars from above or that. second silly(physics): i know the simple "add something to x&y"-movement, but something like marble madness was much more fantastic. if i have a car, and do some steering, how does the car move? having its old speed and not willing to follow immdiate? third silly(3D): good very old night driver. rebol could be fast enough? needs only some white rectangles to mark the street, but where and how large and that are they?? fourth silly(math) if two cars continue their way straight, where and when will they meet? and whats the course to hit another moving car (to choose another to avoid it)? then i have to look up how to use rim-contact-list to add a service :) -Volker

 [2/2] from: robert:muench:robertmuench at: 8-Jan-2002 15:04

> -----Original Message----- > From: [rebol-bounce--rebol--com] [mailto:[rebol-bounce--rebol--com]]On Behalf Of
<<quoted lines omitted: 4>>
> could give an easy-doc-style tutorial with dragging some faces > around.
Hi, I have mailed you some files privatly. The best reference to start is: FAQ for -- Robert M. Münch IT & Management Freelancer Mobile: +49 (0)177 2452 802 Fax : +49 (0)721 8408 9112 Web :

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