[PD] Models for Gem

chris clepper cgc at humboldtblvd.com
Wed Nov 26 04:38:19 CET 2003

At 5:50 PM -0800 11/25/03, Ken Locarnini wrote:
>Can anyone help me understand the models that can be used in Gem?

Sure, what do you want to know?

GEM uses an opensource library called glm to load models.  The models 
are the Wavefront .OBJ format which uses a plain ASCII text file to 
store the vertex, normal, and texture coordinate data.  glm works 
well in GEM with two caveats that I know about:

- GEM doesn't allow for the separation of groups.  The entire model 
is loaded as one display list and uploaded to the graphics hardware.

- glm seems to have problems with parsing .obj files that have 
comments between blocks of data.

Both of these are being looked into.

>Are there
>any open source freeware programs that can work with them?  Thanks,

I believe Blender will output .obj files.  At some point in the near 
future, I hope to have GEM saving .obj files out to disk, but that 
won't be for some time.


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