Material Optimization using Color ID Maps (Blender/Unity/Substance Painter 2)

[@normalmusic62]

this cures my biggest substance painter headache. thanks so much!

[@Zkay360]

Literally same. I'd create separate materials, 2k-4k EACH for selecting different parts, or even manually paint them out and creating a mess of masks

[@alperozgunyesil]

Totally🤘🏿❤️

[@throwerplump9297]

This is what I searching for optimizing my asset .thx alot ..

[@PonteRyuurui]

I am learning!

[@justingooligan7059]

this was exactly the video i was looking for_gave me answers to all the questions. Now it would be cool to have a feature in blender that converts real_colors assigned to mesh_parts in to vortex-colors. maybe there is ? i just have not found it yet. Great video - big thanks.

[@jdevcast6527]

Nice and easy Blender -> Painter -> Unity workflow Thanks for explaining clearly.

[@skyatlas7334]

I needed this video, thank you!

[@AlexAugustinex]

Thanks for sharing your knowledge man, This will really help me out. Thank you.

[@JoshGambrell]

My pleasure, Alex!

[@tartistbooker7839]

thank for this straight for the point tutorial, waiting for your next tips !

[@JoshGambrell]

Thanks Tartist!

[@lin_leaf]

Good Content and editing thanks for the video I am new to unity and this helped me more than most other vids

[@JoshGambrell]

Thank you, very happy to hear that!

[@sainterasmus4545]

How do you actually "create" the Color ID map? How do you wield it into existence? I understand how to color in the different faces of a model, but how do you get Blender to say "this is the ID map"? I color in the model, export it to substance painter and the only map that it doesn't bake down is the ID one, cause I'm guessing I haven't made it possible for it to find it.

[@sainterasmus4545]

Can't figure out how to get Substance Painter to register the different colors.

[@therowhouse5086]

Thank you so much for this! brilliant!

[@ApexArtistX]

you dint show how to apply id on the model, my substance painter does not read any color id after baking

[@JoshGambrell]

You must be doing something wrong then. When you export the model and import into Substance Painter and bake textures, the ID map should automatically be generated. The only other reason it won't is if you untick the ID bake setting or import a high-poly mesh to bake to, in which case you must bake the ID map independent of the high-poly mesh.

[@ApexArtistX]

Wooden Rain I was using obj. Fbx works

[@ajaygamedeveloper6148]

Thank you so much

[@JoshGambrell]

No problem Ajay!

[@ChristophWerner]

You have not mentioned, what file format you used to export from blender. Is it FBX or can OBJ be used too to store the vertex colors? Thank you. EDIT: OK, it is FBX. I was too fast with my comment and have not watched the full video... ;) #sry

[@Eradifyerao]

I have generally found OBJ to be the dumb format... Why anyone would use it anymore is a mystery to me - maybe it's a bit more universal?

[@ChristophWerner]

@@Eradifyerao In my experience OBJ files are more solid. OBJs are more simple and don't include animation data or further information. FBX files can also include proprietary data as I know, which can disturb the import in some software. Additionally Autodesk change the FBX structure regularly and add new features. which can lead also to problems. But under the line FBX is the better file format, but there's also GLTF which is really good and open source.

[@maxjackson7120]

How would you alternate between multiple textures though in Unity when you want to switch textures via code

[@cedricknapp2889]

Renderer.sharedMaterial in Unity instead of .material

[@n1lknarf]

how could I bake the ID map directly in blender?

[@JoshGambrell]

Under the bake settings, where you bake normal maps and such.

[@abdullahahsan4942]

ok did u unwrap the mesh before exporting it?

[@JoshGambrell]

Of course

[@abdullahahsan4942]

@@JoshGambrell can u make new tutorial on this with some complex model like car or any other cool models of yours

[@leatherandpoemscharmyman5774]

best practice is to asigne pure colors? to not suffer with tolerance and hardness in the color id mask in substance painter then?

[@JoshGambrell]

Well, you can use any different shade of colors. All colors are based on RGB. Even a slightly different shade of green, for example, which the human eye cannot distinguish is indeed computed as a different color. So if you mean "pure", you can use any different shades as long as you don't use an identical color for a different area of your model. I hope that answers your question correctly!

[@leatherandpoemscharmyman5774]

ok , sometimes when I used random color in blender , (specially when my model is full of part but one single object) ....I see white lines in my model in substance painter , in my model after exporting process... sometimes I fixed that white lines with tolerance and harness in ID mask ...but ID mask comes from blender by vertex group. So I decided to starting testing some POV to solve this common issue in some models, not in all my models , but sometimes I suffer that effect.

[@marlonacevedo7521]

I think that I love you jajajajjaja I spend all a fkng day trying to generate that map and I dont know why but all the ways I tried have failed 'till now. Thanks

[@furryfan87243]

The M key toggles the mask on or off in blender

[@nightwalkerj]

Its amazing how many videos dont mention this little tidbit. Thank you for sharing this.

[@Shubham-fk5oq]

Painter errors: could not find vertex color!...help me!!

[@hui2975]

I'm thinking how to export vertex paint in blender so many time. Then I use yPanel add-on, and succeed to export Dirty Vertex Paint 。

[@darkwyvern9796]

So you don't need to unwrap it?

[@JoshGambrell]

You do, because you're still going to assign textures. Substance Painter would need to know where exactly to assign each unique texture.

[@tundedagold5278]

the color is not showing in substance painter pls where a i wrong

[@Fernan3D]

tunde dagold if you're using 2 meshes, low and high poly, you have to paint the vertex in the high poly, import the low poly in substance (I normally use Fbx) and in the bake options for substance, import the high poly mesh in High poly parameters tab, then bake. If you're not using 2 meshes, import to substance and bake the ID map from vertex color.

[@МорисКирумба-н1в]

👍👍👍👍👍👍👍

[@Eradifyerao]

looks like the ability to add color presets in vertex mode in Blender 2.8+ is gone....

[@Eradifyerao]

edit: I found it - N menu --> Tool

[@reboa.i563]

As an intermediate modeller, this answered all of my questions regarding optimization, color ID and export. Thank you! You earned a sub and like mate :) Have a wonderful day.

[@JoshGambrell]

Thank you Rebo! I truly appreciate your time and feedback :D Super glad I could be of help; this topic was seldom covered.

[@reboa.i563]

@@JoshGambrell I agree! All this time I assigned different materials to different parts of my mesh and I thought: Hmm... isn't there a more efficient way to do this? I would reach up to 10 materials on one mesh smh :) I also heard about the color ID thingy, but never understood why people use it. So yeah haha, I'm really grateful for this video!

[@JoshGambrell]

@@reboa.i563 No problem! I learned the hard way when my scenes were rendering thousands of different materials and bogging down performance when I could've used 1/10th of that amount ;)

[@HieuNguyen-yb8gq]

Done

[@DarkAutumn3D]

Completely redundant in 2.9 -.-

[@Eradifyerao]

Why?

[@rickychoudhary2014]

Hey are you udemy instructer recived mail from udemy about ur channel i want to conferm it please.

[@JoshGambrell]

Yes, this is Josh!

[@rickychoudhary2014]

Wooden Rain ohk thanks sir i have subscribed and shared wid frnds also. Can u make a single vid that covers total basics about how to start with blender.

[@JoshGambrell]

I can probably do that once time allows!