Toon Shader for Unity URP

A toon shader compatible with the Universal Render Pipeline.

⚠️ The repository is no longer actively maintained.

🆕 The techniques from this project are the foundation of Toon RP, a custom Scripable Render Pipeline designed for stylized rendering.

Unity Version

Developed and verified with Unity 2021.3.0f1 LTS and URP package v12.1.6.

Table of Contents

• Toon Shader Capabilities
• Toon Shader (Lite) Capabilities
• Inverted Hull Outline
• Installation
• Getting Started
• Documentation
• Examples
• Performance Benchmark
• Used Assets

Toon Shader Capabilities

Surface

• Opaque/Transparent with blending modes:
  • Alpha/Premultiply/Additive/Multiply
• Alpha Clipping
• Culling
  • Back/Front/Off

Color

• 2 or 3-step ramp with configurable thresholds and smoothness
• Ramp textures
• Normal Maps
• Main light
• Additional lights
  • per-vertex or per-pixel, depending on URP settings
  • optional specular highlights
  • shadows
• Casting and receiving shadows
• Configurable shadow color (both in multiplicative and "pure" modes)
• Emission
• Rim lighting (Fresnel effect) and specular highlights with HDR color support (e.g. for bloom)
• Anisotropic specular (e.g. for hair)
• Environment reflections and Reflection Probes
• Fog
• SSAO
• Environment Lighting
• Baked lights and shadows
  • Dynamically receive via light probes
  • Contribute to bake process ("meta" pass)
• Vertex Color
• Screen-Space Shadows

Performance

• SRP Batcher compatibility
• GPU Instancing

Only Forward rendering path is supported.

Toon Shader (Lite) Capabilities

Color

• 2-step ramp with configurable threshold and smoothness
• Main light (per-vertex or per-pixel)
• Casting shadows
• Configurable shadow color
• Fog
• Vertex Color

Performance

• SRP Batcher compatibility
• GPU Instancing

Only Forward rendering path is supported.

Inverted Hull Outline

A simple and performant outline shader. Renders outlines of objects on certain layers via a Renderer Feature.

See the Outline Wiki page for details.

Installation

For the latest version (Unity compatibility is specified here):

Option 1

• Open Package Manager through Window/Package Manager
• Click "+" and choose "Add package from git URL..."
• Insert the URL:

https://github.com/Delt06/urp-toon-shader.git?path=Packages/com.deltation.toon-shader

Option 2

Add the following line to Packages/manifest.json:

"com.deltation.toon-shader": "https://github.com/Delt06/urp-toon-shader.git?path=Packages/com.deltation.toon-shader",

Specific Unity Version

If you want to explicitly specify a Unity version, you should use a URL of the following form:

https://github.com/Delt06/urp-toon-shader.git?path=Packages/com.deltation.toon-shader#<UNITY-VERSION>

where <UNITY-VERSION> may be either of the following:

• 2021.3
• 2020.3

By default, the shader is updated only for LTS versions of Unity.

Getting Started

• Ensure URP is installed (see the official instructions).
• Create a new material, select DELTation/Toon Shader in the shader menu.
• For more details on the shader parameters, see the Forest Demo Breakdown Wiki page.

Documentation

• Forest Demo Breakdown
• Outline
• Transparency Sorting Fix

Examples

Bundled

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Released Games

• Tornado Blade

  

• Blow Fight

  

• Miner Farm

  

• Bulldozer Runner

  

• Survival Craft: Stone Age

  

• Bump Fight

  

• Merge 2 Race

  

• Count Fight

  

• Lovers Lab

  

• Liquid.io

  

Used Assets

• UnityFx.Outline
• Animated Mech Pack by Quaternius
• RPG Character Pack by Quaternius
• Environment Pack: Free Forest Sample by Supercyan
• Character Pack: Free Sample by Supercyan
• The Free Medieval and War Props by Inguz Media
• Stone by Vsify
• Hair Shader 1.0 by RRFreelance / PiXelBurner
• Toony Tiny City Demo by Marcelo Barrio
• Anime Character : Arisa by 戴永翔 Dai Yong Xiang