Re: [info-performer] Change the coordinate system

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From: Frederic Marmond (fmarmond++at++eprocess.fr)
Date: 09/18/2002 02:30:04


Hum...
Ok, everybody have to start as newbie one day...
But perhapse may you try by yourself to solve those little problems. I
think that my yesterdays explainations where quite usefull (you seems to
understood the translation problem). You can follow by yourself now.
Did you read the doc?
Read it first, look also at the man pages (very usefull).
Then, you'll know that you can get coordinates for each vertex on a
geometry.
You'll learn how to translate them by pfVec3 methods, pfMatrix or even
raw floats.
...
Performer is not a basic application, where you put your
10 cls
20 display
_in_3d_with_nice_shaders_at_200Hz(the_real_good_vr_simulation_500km_square_res_0.01meter)
30 goto 20

It's a little bit more complicated to play with 3d stuff.

So, i propose that you read the docs, play with samples, and then, try
to solve your problems.
When you'll find something that you can't solve with the doc, then, yes,
you are welcome to ask for help.
But I think that we are not here to make your prog at your place.

Said without any bad intention. You'll learn (and have fun) much more by
experience yourself instead of getting things 'plugandplay' from others.

have nice time practicing!
;-)

Fred

Andrea Martini wrote:

>Hi to all,
>i'd like to change the coordinate system of a group of an obj file.
>In histance, refer to cow.obj, i can rotate cow around x, y, z axes. In the
>scene, i show also his horns.They appear on the cow's head. if i rotate
>them, they rotate around the centre of the cow, and not around their
>center. So, how can i do it ? How can i rotate horns , around their own
>center ?
>
>( i... I thing that you want to break horns... my horns :( )
>thank you!
>:))
>
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