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Vertex Painting vs Decals

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    Vertex Painting vs Decals

    Hey guys,

    I was wondering if any of you know if it would be more beneficial to use decals or to utilize vertex painting?

    I'm not sure on the cost of each one in regards to resources, and I plan of using it pretty extensively with my level.

    #2
    Depends what you want to do really. Vertex painting would be the cheaper option in regards to system resources, but they both have different advantages and disadvantages.

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      #3
      Vertex Painting need what the namge suggest vertex. Which means your mesh must have quite a lot polys to actually make VP looks nice.

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        #4
        You can modify the material layout to utilize vertex painting if your mesh does have low vertex counts.

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          #5
          So if i'm using vertex painting on planes (for my walls) and the poly count stays between 100 to 500polys, that shouldn't be anything too draining for the engine right?

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            #6
            No, that'll be fine.

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              #7
              Originally posted by Piranhi View Post
              You can modify the material layout to utilize vertex painting if your mesh does have low vertex counts.
              ;o. And by that you mean... ?

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                #8
                You can create masks to alter the sharpness or general pattern of the vertex paint

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                  #9
                  This is the tutorial I used to set up my vertex painting. The results came out fairly well from what I can see.

                  http://www.chrisalbeluhn.com/UDK_Adv..._Painting.html

                  Also I was wondering: Is it possible to create a vertex painting material that allows you to paint three textures? In the video we only utilized the red channel for vertex color. Is it possible to maybe utilize the green as well?

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                    #10
                    Originally posted by smoallem16 View Post
                    This is the tutorial I used to set up my vertex painting. The results came out fairly well from what I can see.

                    http://www.chrisalbeluhn.com/UDK_Adv..._Painting.html

                    Also I was wondering: Is it possible to create a vertex painting material that allows you to paint three textures? In the video we only utilized the red channel for vertex color. Is it possible to maybe utilize the green as well?
                    yes. maybe even 4.
                    i'm pretty sure that it's possible to even have more set up, but i'm not a genious with the material editor... yet :P

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                      #11
                      Does anyone know how I could set up the material editor so that I can vertex paint with three textures? I have it set up for two but I am unsure as to what nodes to utilize to get a third incorporated?

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                        #12
                        http://forums.epicgames.com/showthre...ighlight=color

                        Next time, try using the search function above.

                        BTW: You may overlap colors in vertex painting that creates 3 or 4 blending masks instead of 1.

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                          #13
                          ok great. Thank you for the link and I didn't even know about the search on the top :/

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