Convertion between Windows and OpenGL coords

This is a discussion on Convertion between Windows and OpenGL coords within the Windows Programming forums, part of the Platform Specific Boards category; I'm in the following situation: I have one OpenGL window and I've applied to it the operator: Code: glTranslated(0,0,-3); (I'm ...

  1. #1
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    Convertion between Windows and OpenGL coords

    I'm in the following situation:

    I have one OpenGL window and I've applied to it the operator:
    Code:
    glTranslated(0,0,-3);
    (I'm writing with MFC) So, I want to catch the event OnLButtonDown and to put one point with coordinates (x1,y1,0) which corespond to the coords that Windows passed to me
    How can I calculate it?

  2. #2
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    In addition to it.

    Is there any way to undestand which is maximum x and y coordinate in which ( with z=0) that point will be visible?

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