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Unable to get low-poly model to look smooth with normal map

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    Unable to get low-poly model to look smooth with normal map

    I have a low-poly model and a normal map for it which i generated using a higher-poly version. My problem is that I cannot get the lower poly version to look smooth inside UDK. I can clearly see each facet of the object as if lighting is being calculated per-vertex instead of per-pixel. Here is a screenshot of my material layout and how the model looks inside the engine.



    Any ideas as to what I am missing to make the object look a bit smoother?

    Thanks in advance!

    #2
    When you baked the normal map, were there any smoothing groups on the low poly? to me, it looks like the low poly didn't have a smoothing group on it, so its normals kind of fused with the high poly normals.

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      #3
      You need to add smoothing groups. That can make a corner look round.

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        #4
        Great! Thanks for your help!

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