On Feb 7, 1:20 pm, Rayene Ben Rayana <[email protected]>
wrote:
> 3. call gluOrtho2D with a fix  scale sc2 (does not depend on the zoom)
> 4 call gluLookAt again with coords = x*(sc2/sc1) , y*(sc2/sc1) , instead of


I think this might be a bit more complicated than it needs to be

look at this example: http://tartley.com/?p=250

you can just set gluOrtho2D to the window dimensions and use absolute
coordinates.
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