unity-shader-graph

Development

Unity Shader Graph skill for visual shader authoring, custom nodes, and material effects.

QUICK START

How to use this skill

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Source SKILL.md: https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/game-development/skills/unity-shader-graph/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Unity Shader Graph Skill

Visual shader development using Unity Shader Graph.

Overview

This skill provides capabilities for creating shaders visually using Unity's Shader Graph, enabling artists and developers to build complex materials without writing code.

Capabilities

Visual Authoring

Create shader graphs for URP/HDRP
Connect nodes for material logic
Preview effects in real-time
Handle shader variants

Effect Types

Surface shaders (Lit, Unlit)
Vertex displacement
UV manipulation
Procedural textures

Custom Development

Create custom nodes
Build subgraphs
Implement shader keywords
Handle multi-pass rendering

Material System

Generate materials from graphs
Expose material properties
Handle texture sampling
Implement triplanar mapping

Prerequisites

Unity 2021.3+
Shader Graph package
URP or HDRP project

Usage Patterns

Common Node Patterns

Dissolve Effect:
Noise → Step → Alpha Clip Threshold → Alpha

Rim Lighting:
Fresnel Effect → Multiply → Add Emission

Scrolling UV:
Time → Multiply → Add UV → Sample Texture

Vertex Animation:
Noise → Position Offset → Position

Custom Function Node

// Custom HLSL function for Shader Graph
void MyCustomFunction_float(float3 In, out float3 Out)
{
    Out = In * 2.0;
}

Best Practices

Use subgraphs for reusable patterns
Minimize texture samples
Use shader keywords for variants
Profile on target platforms
Document exposed properties

References

Shader Graph Documentation