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About this repository

This repository is NOT the full version NiloToonURP. This repository only contains a very simple and short URP toon shader example, only for tutorial purposes, it is under MIT license so you can do whatever you want with the code. If you want to keep the current tutorial shader, please fork it or download a copy now since it may be removed in the future.

NiloToonURP(full version)'s rendering

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screenshot Outline options(1/2/3)
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We are now developing an "easy-to-use + high-performance + cross-platform(include mobile)" Closed source toon shader package - NiloToonURP, to meet the toon shading needs of Unity URP user.

NiloToonURP is supporting:

  • Unity 2021.3LTS(URP 12.x)
  • Unity 2022.3LTS(URP 14.x)

Download NiloToonURP PC .exe demo (2021.3.17LTS build):

Download NiloToonURP Android .apk demo (2021.3.17LTS build):

NiloToonURP's demo runtime video:

NiloToonURP's UI preview:

How to get NiloToonURP full source code?

If you or your company/organization/team needs:

  • latest full source code (with all detail comments and notes, NOT Obfuscated code, NOT .dll)
  • latest user document
  • perpetual royalty-free commercial license
  • every future update
  • (optional) we set up your character models's rendering in the best way possible for you, using NiloToonURP
  • (optional) tech support
  • (optional) your project-specific customization and support

of NiloToonURP for your URP project, please send the following info to [email protected]

  • name (your personal name or your company/organization/team's name)
  • a google account email for gaining permission to download all NiloToonURP files in google drive
  • any public website that shows your/your company/organization/team's work or public media

NiloToonURP user's creations (public media, not NDA contents)

*we only provided NiloToonURP's download permission + tech support, we didn't work on these creations directly

Genshin Impact MV - When The Stars Align (Genshin Impact website -> http://genshin.hoyoverse.com)

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VSPO!(ぶいすぽっ!) - 花芽すみれ (https://www.youtube.com/@KagaSumire)

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VirtuaReal Star - 泠鸢yousa (https://space.bilibili.com/282994)

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VSPO!(ぶいすぽっ!【公式】) (https://www.youtube.com/@Vspo77)

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VirtuaReal / Nijisanji CN - 七海Nana7mi (https://space.bilibili.com/434334701)

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VirtuaReal Star - hanser (https://space.bilibili.com/11073)

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VSPO!(ぶいすぽっ!【公式】) (https://www.youtube.com/@Vspo77)

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hololive ホロライブ - VTuber Group (https://www.youtube.com/@hololive)

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VSPO!(ぶいすぽっ!【公式】) (https://www.youtube.com/@Vspo77)

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hololive - Shion Ch. 紫咲シオン (https://www.youtube.com/@MurasakiShion)

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  • 【holo27 MV】紫咲シオン x ラプラス・ダークネス - リップシンク【ホロライブ x DECO27】-> https://youtu.be/NjtIAuZQN_E

VSPO!(ぶいすぽっ!) - 八雲べに (https://www.youtube.com/@yakumo_beni)

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Moona Hoshinova hololive-ID (https://www.youtube.com/@MoonaHoshinova):

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AIChannel中国绊爱 (https://space.bilibili.com/484322035)

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VirtuaReal Star - 泠鸢yousa (https://space.bilibili.com/282994)

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Nijisanji & bilibili - VirtuaReal (https://www.nijisanji.jp/talents?filter=virtuareal):

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ISEGYE IDOL (이세계아이돌) - 비챤 VIichan (https://www.youtube.com/@viichan116)

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崩坏学园2-灵依娘desu (https://space.bilibili.com/133934):

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懶貓子 & 杏仁ミル

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Rumi ch. 懶貓子 (https://youtu.be/Zlef92wDMnA):

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Warudo on Steam(supporting NiloToonURP) (https://store.steampowered.com/app/2079120/Warudo/)

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VSPO!(ぶいすぽっ!) - 英リサ.Hanabusa Lisa (https://www.youtube.com/@lisahanabusa)

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VSPO!(ぶいすぽっ!) - 胡桃のあ (https://www.youtube.com/@963Noah)

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myer gugu(崩坏的栗子_108番) (https://www.artstation.com/myergugu)

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VirtuaReal Star - 泠鸢yousa (https://space.bilibili.com/282994)

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Nijisanji & bilibili - VirtuaReal (https://www.nijisanji.jp/talents?filter=virtuareal):

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VirtuaReal Star - hanser (https://space.bilibili.com/11073)

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VirtuaReal Star - 泠鸢yousa (https://space.bilibili.com/282994)

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Other NiloToonURP's images (gallery)

shader ON screenshot normal debug screenshot shader OFF screenshot

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SHADER ON screenshot screenshot BEFORE screenshot AFTER: screenshot see it in motion-> https://youtu.be/D9ocVzGJfI8


3D enviroment model TEST
screenshot screenshot see it in motion-> https://youtu.be/GcW0pNo-zus

湊 あくあ(みなと あくあ,Minato Aqua) model TEST screenshot screenshot screenshot see it in motion-> https://youtu.be/7zICgzdxuGg

see it in motion-> https://youtu.be/X3XoYMTleJ0

Auto Phong tessellation

(shader off, no tessellation) screenshot (shader on, no tessellation) screenshot (shader on, enable tessellation! Phong tessellation can make your model smooth without changing your .fbx) screenshot see it in motion-> https://youtu.be/D-MxyBa0nJE

Kawaii model TEST (@ganbaru_sisters) screenshot screenshot

Upgraded to Unity2020.2 (URP 10.2.1) SHADER ON screenshot SHADER OFF screenshot HD screenshot

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BEFORE screenshot AFTER screenshot see it in motion-> https://youtu.be/KpRkxPnHuK0

BEFORE screenshot AFTER screenshot (more shadow from trees) screenshot

BEFORE screenshot AFTER: screenshot see it in motion-> https://youtu.be/hUWacEQH6js

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add 2D hair shadow & rim light

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see it in motion-> https://youtu.be/S67GlGAnvWA


BEFORE screenshot AFTER: screenshot

see it in motion-> https://youtu.be/M6FKoEiOAzU


BEFORE screenshot AFTER: Sunny + StreetLight ON screenshot Sunny + StreetLight OFF screenshot Night + StreetLight ON screenshot Night + StreetLight OFF screenshot see it in motion -> https://youtu.be/jDSnJmZrKPw

BEFORE screenshot AFTER screenshot

BEFORE screenshot AFTER screenshot see it in motion -> https://youtu.be/ZfSZOHTBypc

BEFORE screenshot AFTER screenshot see it in motion -> https://youtu.be/EgxiWPk-vaE


BEFORE screenshot AFTER screenshot see it in motion -> https://youtu.be/Ty4DXLFqqDo

BEFORE screenshot AFTER screenshot see it in motion -> https://youtu.be/cebGl_MaWnI

BEFORE screenshot AFTER screenshot see it in motion ->https://youtu.be/nl5z0r8a9vk

screenshot screenshot screenshot see it in motion -> https://youtu.be/uVI_QOioER4

Fake Skin SSS & specular screenshot screenshot

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What is included in this simplified tutorial example toon-lit shader repository?

This repository only contains a very simple toon-lit URP tutorial shader example, to help people write their first custom toon-lit shader in URP.

This example shader's default result(without editing material params) = the following picture screenshot

Because this example toon lit shader aims to help people learn shader writing in URP, it is an extremely simplified version. This repository only contains ~3% of the NiloToonURP(full version)'s code, which only contains the most basic & easily understandable sections, to make sure everyone can understand the shader code easily.

It is actually a "How to write your first custom toon-lit shader in URP?" example, instead of a good-looking toon-lit shader (lots of toon-lit tricks are not included in this example shader, for tutorial reasons).

Why create this "simplified version" toon lit shader?

Lots of my shader friends are looking for a toon-lit example shader in URP (not Shader Graph), I want them to switch to URP(instead of still staying in built-in RP), so I decided to provide a simple enough URP toon-lit shader example in URP.

How to try this simplified toon-lit example shader in my URP project?

  1. Clone all .shader & .hlsl files into your URP project.
  2. Put these files inside the same folder.
  3. Change your character's material's shader to "SimpleURPToonLitExample(With Outline)"
  4. make sure at least _BaseMap(albedo) is assigned
  5. setup DONE, you can now test your character with light probe/directional light/point light/spot light
  6. edit the material properties to see how the render result changes
  7. Most important: open these shader files, and spend some time reading them, you will understand how to write custom lit shaders in URP very quickly
  8. Most important: open "SimpleURPToonLitOutlineExample_LightingEquation.hlsl", edit it, and experiment with your own toon lighting equation ideas, which is the key part of toon lit shader!

I see the shader is working now, but the outline is broken?

For this tutorial shader, you can let Unity calculate smoothed normal for you, which can produce a better outline, but doing this will make the lighting slightly incorrect.

  1. click your character's .fbx
  2. In the model tab
  3. edit "Normals" to Calculate
  4. edit "Smoothing Angle" to 180

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before calculating smooth normal (print screen of the tutorial shader, not NiloToonURP)
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after calculating smooth normal (print screen of the tutorial shader, not NiloToonURP) screenshot

*NiloToonURP(full version) contains a few editor C# scripts, which can help the shader to produce correct lighting and perfect outline together automatically.

What is NOT included in this simplified tutorial shader?

For simplicity reasons, most of the features from the NiloToonURP(full version) are removed, or else for beginners, this simple tutorial example shader will be way too complex for reading & learning. Some of the removed features are:

  • face anime lighting (auto-fix face ugly lighting due to vertex normal without modifying .fbx, very important)
  • smooth outline normal auto baking (auto-fix ugly outlines without modifying .fbx and lighting normal, very important)
  • auto 2D hair shadow on the face (very important, it is very difficult to produce good-looking shadow results on the face using URP's shadow map)
  • constant width rim light (similar to the method of Blue Protocol / Genshin Impact)
  • tricks to render eye/eyebrow over hair (ZOffset, stencil, and renderer redraw helpers)
  • PBR specular lighting (GGX)
  • all kinds of MatCap features(additive/multiply/shadow/replace...)
  • "HSV,tint,texture tint,texture override" shadow & outline color control
  • almost all the extra texture input options like roughness, specular, normal map, detail map, parallax, occlusion, emission...
  • LOTS of sliders to control lighting style, shadow color, final color, outline, rim light...
  • per character "dither fade inout / rim light / color control / extra outline / dissolve / ..." control script
  • volume override control of global "rim light / shadow / color control..."
  • special bloom post-process volume that can control the param of character/non-character area separately. Usually to prevent character over-bloom, or make the character emitting bloom on allowed areas only
  • anime postprocessing volume
  • shadow control volume
  • perspective removal per character, to avoid character's 3D distorted by high FOV camera
  • shader stripping editor script, to keep runtime shader memory usage and build time lower
  • (lots of other features)
  • just too much for me to write all the removed features here, the NiloToonURP(full version) and this simple tutorial shader example are two totally different products already

How to get a test character model?

The easiest way to get a character model is by downloading Unity-Chan in the Unity AssetStore.

Also, here are some websites where you can download models(If the creator allows it)

if you downloaded a .pmx file, use MMD4Mecanim to convert it to .fbx & prefab directly inside unity http://stereoarts.jp/

if you downloaded a .vrm file, use UniVRM to convert it to prefab directly inside Unity https://github.com/vrm-c/UniVRM

Editor environment requirement

  • URP 12
  • Unity 2021.3

Apply our shader to another model (2020-2 early version screenshots) https://youtu.be/uVI_QOioER4

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More old screenshots from the Full version shader:

screenshot https://youtu.be/IP293mAmBCk

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Credits

model's creator in shader demo image/video:

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