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Thread: CO-ORD detection

  1. #1
    Junior Member Newbie
    Join Date
    Dec 2000

    CO-ORD detection

    how do i figure out the y value of a point under an object.
    lets say i have a box moving along some random terrain. when it encounters a hill i want its Y co-ord to be whatever the Y value of the terrain exactly under it is. Is there a way to do this?

  2. #2

    Re: CO-ORD detection

    That depends entirely on how you store your
    terrain. If it's a height field, you can
    linearly interpolate between the four corner
    samples for the "quad" the vehicle is over.
    If you have a "driveable mesh" you have to
    find the triangle which contains the vehicle
    and calculate the Y of the vehicle's position
    from the three corners.

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