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Thread: Mouse Picking

  1. #1
    Junior Member
    Join Date
    Mar 2005
    Philadelphia, PA

    Mouse Picking

    I am implementing mouse picking in my 3D Chess App. Using Vincent and UG presently. I load my models into my world, and have a camera set up using UG's Lookat fn.
    I want to be able to translate screen coords into 3D coords. The way I see it, If I know where my camera eye is, and I know where I tapped on the screen (in approx x,y,z coords), I can trace using a line equation, doing a test between my traced line and the bounding boxes of my models.
    Will this work? If so, how do I get the homogeneous world coords from the x,y coords of the screen???

    Best Regards,

  2. #2
    Junior Member
    Join Date
    Apr 2005

    Re: Mouse Picking

    I think you should implement the gluUnproject youself.

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