NickHardeman

@RezaAli This looks great! 👏

WIP on enhanced physically based rendering. Transmission feels really hacky without ray tracing, but its in there now.

Advanced PBR Material example is available to test in the nightly #openframeworks build. openframeworks.cc/download/ (at bottom of page)

@is_not_a_rabbit @patriciogv Without recompiling the entire program

@NickHardeman @patriciogv without recompiling the whole program, or do you mean without recompiling the shader?

ofMaterial with dynamic shaders, no need to recompile. Thanks to shader setup tips from @patriciogv, ie dynamic defines. :)

@jonas_lindemann @patriciogv Thank you. Hopefully; working on a pull request 🤞

@NickHardeman @patriciogv Is this something going into a future release of openFrameworks? Great work!

More progress on the pbr material I've been working on for #openframeworks. Loading models with new ofxAssimpModelLoader by @theowatson

Added clear coat to the #PBR material in #openframeworks

@guidoschmidtcc Thank you!

Added displacement maps to the #pbr renderer I'm working on. Also added calculating normals from displacement + normal map mixing. #openframeworks

@moebiussurfing Hopefully it will be integrated into OF 🤞

@NickHardeman cool, it will be similar to ofxPBR? what's the difference?

Making progress on a #pbr renderer for #openframeworks

@RezaAli @patriciogv @theowatson The # defines help it run more efficiently than setting a bunch of uniforms from my understanding. #lygia uses defines extensively and can run PBR on the PI! Some GPUs are grumpy if there is a uniform texture that is never set so the defines can help avoid that.

@patriciogv @NickHardeman @theowatson Didnt know you could convert that way! I'm piecing together all the components slowly... I'm learning that to get PBR working with all the different constraints it could have you have to inject defined values and code chucks if those parameters / maps exists??

Working on getting physically based rendering into Satin. If you've done this before for a render engine, how does one deal with lights... specifically how to pass all of them into the shaders for processing. #metalapi

@RezaAli @theowatson @patriciogv Sometimes I can't tell :) KhronosGroup has a bunch of sample gltf models for testing here. github.com/KhronosGroup/g…. I haven't tried it yet, but there is also an extension to view the models for vscode and you can compare output github.com/AnalyticalGrap…

@NickHardeman @theowatson @patriciogv Yeah I assume those are the ones that will be used the most. I'm curious how you are checking your results? Yesterday I stared at my first messy implementation trying to figure out if it was correct in all the ways.

@RezaAli @theowatson @patriciogv Right now working on what seems to be the most common: albedo, emissive, roughness, metallic, ao and normal map. Wondering the same about the others :)

@NickHardeman @theowatson @patriciogv wow, super useful, thanks Nick. I'll be studying this. I'm wondering how many material properties to support. Reading about sheen, clearcoat, anisotropy, ao, etc. Whats your take on this?

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Integrated shadows into #openframeworks. Check out the example github.com/openframeworks…

@arnekoenigs I hope so ;)

@NickHardeman Nice! Is this going to be part of the core in the future?

Working on integrating shadows into #openframeworks. Still need to clean up and test a bit more...