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Re: Sketchbook: Eric Chadwick
Working on cleaning up a CC0 car model, to make a showcase asset to demo glTF materials. A gazillion nodes to clean up, bad transforms, all kinds of fun things to fix. Anyhow, early materials test with the glTF thin film shader... -
Re: Sketchbook: Eric Chadwick
Playing around with the online node-based shader editor for Babylon.js https://nme.babylonjs.com/#UPFJUT#2 -
Re: Sketchbook: Eric Chadwick
That's pretty smart. Love how mobile development poses it's own unique problems and solutions (well, "Love" might be a little much, haha). Way above, you built your own Fresnel. Is it really significantly cheaper than using SF's Fresnel node? Cheers for your interesting posts, as always! -
Re: Sketchbook: Eric Chadwick
Thanks for the replies. iOS can render it fine, it's only an issue because there's a lot else happening in the level (foliage, characters, fx, etc.). It's just a fairly expensive shader, comparatively. Channel packing keeps the texture fetch quick, but it still blends together four layers. I could put this off to the side… -
Re: Sketchbook: Eric Chadwick
Added UVs for the paint, so I could so a powder coat. The seats have a quick leather texture, and the tires have a normal map for the tread instead of geo. USDz isn't right yet, the AO is bleeding into the glass. But here's a live demo, and you can check it out in AR too! https://api.rapidpipeline.com/viewer?id=cnRkol7wbe… -
Re: Sketchbook: Eric Chadwick
No trouble with tiling. The distortion texture is a normal map that I made in Photoshop so it tiles already. Then I just scroll it across the UV's of the leaves mesh, so it endlessly moves along, distorting the UVs as it goes. I added a control in the shader for the vertex positions to be distorted by the same scrolling… -
Re: Sketchbook: Eric Chadwick
Someone asked in email how I blended the textures together on the terrains. The Shader Forge wiki was a good place for me to start. I keep going back for more tips as I make more shaders. http://acegikmo.com/shaderforge/wiki/index.php?title=Advanced_Texture_Splatting I also added a bunch of references on our wiki about… -
Re: Sketchbook: Eric Chadwick
Thanks guys! Nope not gradient mapping, a bit more manual than that. And I guess a bit cheaper to render/store. I just change the tint colors in each scene material (usually about 8 or ten materials), and store those in a palette array. The designer then specifies which palette they want to load when they instantiate the…
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