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OBJ normalize vectors

Discussion in 'C++' started by ch4, Sep 10, 2010.

  1. ch4

    ch4 New Member

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    Maybe it's more about opengl (or math) problem than programming.
    How to normalize vectors that referred to QUADS and not TRIANGLES ?

    In triangle method cross product is a solution, but in quads method should i use also cross product with more vectors ?
     

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