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Thread: Convert X,Y (Window) to X,Y,Z World Coordinates (OpenGL)

  1. 08-09-2002, 01:11 PM #1
    ZeroHero
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    Convert X,Y (Window) to X,Y,Z World Coordinates (OpenGL)

    How do i convert a windows coordinates (X,Y) to OpenGL coordinates (X,Y,Z)? I have heard about gluUnProject(..) but i'am not using C and i don't know how to get this function (file) for Delphi!
  2. 08-10-2002, 04:02 AM #2
    Lanstorp
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    Re: Convert X,Y (Window) to X,Y,Z World Coordinates (OpenGL)

    The Opengl - Delphi site: http://koci.opengl.cz/angopengl.htm
    has a delphi source / tutorial called >>Aiming - function 'glReadPixels'<<
    I have used this to transfer the object coordinates to a statusbar, when the mouse is over an object.

    Håber det hjælper dig
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