Hi all !
I've been trying different techniques to "attach" 2D strings to my 3d
objects.
1) I tried using the postSwap() to add text on the Canvas3D, which is
not very nice (a lot of flashing) and besides there are no methods to
translate 3D coordinates to pixel coordinates ...
2) Using Raster doesnt seem to be too complicated.
3) Eventually, I attached Text2D Shape to each of my 3D Object. I use a
modified version
of the BillBoard behavior, to have all the Text2D facing the user (makes
them parallel to the ViewPlane).
It works fine, except that Text2D uses a HUGE amount of memory !!!
If I introduce 200 Text2D shapes, the memory usage of my application
jumps from 20MB to 67MB (I
eventually run out of memory) !!! I guess its a texture problem since
Text2D are just textures mapped
on a rectangle shape ...
The Text2D doesnt seem to give any control on the "resolution" (and
memory usage) of textures ...
Has anyone bumped into that problem before ?? Any solutions ??
Thanks a lot !
Frederic Gillet
Xbind Inc.
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