hai ...

I'm learning building AR with ARToolkit library.  I conducted some observation from the sourcecode provided by this library, let's say simpletest. and then in draw function I changed the translation value of z axis from 25.0 to 0.0 (original: glTranslatef(0.0, 0.0, 25.0) to glTranslatef(0.0, 0.0, 0.0)). when I did this, I found out that the cube I rendered as if "running" as I rotated my marker along x axis. Meanwhile using the original, it does not "running" when I rotated the marker. Can anyone explain why it was that?

glTranslatef(0.0, 0.0, 0.0)) yields

http://i48.tinypic.com/2803f4.jpg

original: glTranslatef(0.0, 0.0, 25.0)

http://i50.tinypic.com/2hi8j1e.jpg

thanks

 

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- Rene Schulte