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Thread: Collada skinning

  1. #1

    Collada skinning

    I hope you can help me. My problem is with the collada's skinning equation:

    v += {[(v * BSM) * IBMi * JMi] * JW}

    • n: The number of joints that influence vertex v
      BSM: Bind-shape matrix
      IBMi: Inverse bind-pose matrix of joint i
      JMi: Transformation matrix of joint i
      JW: Weight of the influence of joint i on vertex v

    Each vertex "v" must be calculated (i.e. through a "for" bucle). But, it`s not very, very slow if I have a mesh of 10,000 vertices or more? This must be calculated ever in real time? No other way to calculate "v"?

    Thank you very much.

  2. #2

    Re: Collada skinning

    I again. Is there another way to do skinning. Is there another formula that does not require going through each vertex?

    Thank you very much for you help.

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