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Thread: LOD & Landscapes

  1. Dec 21st, 2001, 07:17 PM #1
    Cuallito
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    LOD & Landscapes

    I'm making a program that loads a heightmap and displays it in 3D. Now, how would you reduce the level of detail in areas of it that are farther away from you? I came up with one idea of deviding the land into small patches and telling D3D to draw only the 2nd, 3rd, 4th and so on polygon in each one, depending on the distance from the camera, the would work out great, but the patches wouldn't match at their edges. Any other ideas?

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    BTW, Thanks for all your help

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  2. Dec 21st, 2001, 07:29 PM #2
    Zaei
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    This is a fairly hot topic in the graphics development area. You may want to take a look at algorithms such as ROAM, and the Roettger Algorithm. Be aware though, that these algorithms are seriously processor intensive, and may not be suitable for implementation in VB.

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  3. Dec 21st, 2001, 07:37 PM #3
    Cuallito
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    Thanks. I've tried to learn VC++ like 10 times, but it's too confusing for me.
    BTW, Thanks for all your help

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  4. Dec 23rd, 2001, 08:10 PM #4
    Jotaf98
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    Hum can't you easily use fog in DX? That would do the trick
    Code:
    Temp = Me.GetIQ()
'Error 9: Overflow
'DON'T PANIC! :eek:

    To learn how to use realistic effects in your games like fire, rain, snow and magic effects, read my article on particles systems here.


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