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    Light bleed problem

    I have a problem when rendering the lighting on an object like a telephone. I get weird shadows bleeding onto eachother. i have turned the lightmap resolution to 1024 and 2048 and i still get the light bleeding issue. I have also manually created the lightmap UV's within 3DS MAX and i still get the same issue.




    3DS FILE OF PHONE - https://www.dropbox.com/s/b0mybj1t75...phone.max?dl=0

    FBX file of phone - https://www.dropbox.com/s/at7e0bzh3f...Tele1.FBX?dl=0
    Attached Files

    #2
    Hi,

    Are the UVs those from the texturing, or is this your second UV channel, intended for lightmaps?
    (Cant check the files at the moment)
    If these are your lightmap UVs, then it looks as if you have overlapping sections (those filled holes at the bottom).

    Cheers,
    Klaus

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      #3
      It doesn't look like it's overlapping, the issue is the automatic flattening that you did, it creates too many seams in the UV's, since each object needs space around it the more objects you have the more empty space you have. When it's split up like that you get bad results. If you want to use lower resolution lightmaps and get good results, unwrap the UV's by hand.

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        #4
        thanks for the advice ill try it out and see what happens

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          #5
          Overlapping uvs
          Friendly Dwarf from the Moria

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