RE: [Plib-devel] An example of ssgVtxArray usage

[Dave M. <Dav...@dy...>]

pretty cool. i wrote a glut main() for it and added it to plib cvs (in
examples/src/ssg/tux). it's a good example of how to manually setup a leaf
without using a loader.

--Dave

> I've uploaded a very preliminary version of a useful class for
> animation in games.  Its also useful for seeing how ssgVtxArray
> can be used and its limitations.
> 
> http://vallevand.homepage.com/plib/WavingFlag.h
> http://vallevand.homepage.com/plib/WavingFlag.cpp
> 
> The class implements a flag waving in the wind.  Its optionally
> textured on both sides.  The flag is 1.0 by 1.0 units and is in
> the y-plane with lower left coords (0,0,0) and upper right coords
> (1,0,1).  The wind blows from -x to +x.  You can translate and
> scale it as needed, and rotate it around the z-axis for wind
> direction.  But, it should not be rotated about other axis because
> you'll loose the effect.  
> 
> The class illustrates ssgVtxArray usage to share vertex info
> between triangle strips.  It also illustrates one limitation:
> if a vertex is used for both faces of an object, the normal for
> the vertex will be outward-facing on one side and inward-facing
> on the other.  So far, this hasn't caused any problems for me.
> 
> Regards.
> Mark K Vallevand   ma...@rs...
> Never try and teach a pig to sing: it's a waste of time, and it annoys
> the pig.