Coordinate space manipulation

Discussion in 'C++' started by Tyler Eaves, Jul 7, 2008.

  1. Tyler  Eaves

    Tyler Eaves Guest

    Hi, wondering if anyone can help me with this. I'm trying to do some
    math for a reasonably simple bit of 3d math.

    Given the following.

    A 3d vector pointing in an arbitrary direction, call it 'forward',
    that defines the target Z-axis, and a rotation around that vector,
    'roll', which defines the target Y axis.

    These define the 'target' coordinate system.

    Given those two things, I need to be able to take a point relative to
    the origin in normal cooridantes (e.g. <0,0,1> is 'forward', the
    vector defined by roll points at <0,1,0>, although unit-length isn't a
    given here), and translate that into the target coordinate system.

    Any suggestions on how to do this?
    Tyler Eaves, Jul 7, 2008
    #1
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