[gameprogrammer] screen coordinates to object coordinates.

[ashwin.krishnakumar@philips.com]

Hi,
I have only one object which is rendered.
Now when a mouse down occurs I need to find out where exactly in object
coordinates the mouse click has happened.
My problem is to get the z coordinates... I heard in opengl there is a
method glReadPixel to get the z coordinate from the
z buffer... (after that I think unproject() will give the coresponding
object coordinate)
Is there some thing similar in DirectX

Regards,
Ashwin



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