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Thread: 3D Rotation

  1. #1
    Guest

    3D Rotation

    I have been using quaternion mathematics to rotate a 3D model. Initially it works fine but after the model has been rotated, it seems to develop a jitter bug. Has anyone encountered this problem and if so could you tell me what the solution is?

  2. #2
    Senior Member Frequent Contributor
    Join Date
    Aug 2000
    Location
    Cardiff University
    Posts
    653

    Re: 3D Rotation

    Are you normalising your quaternians properly? Floating point errors? do you do anywhere...

    float x;

    if (x != 0)
    {
    .....
    }

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