# keijiro/NoiseShader

Noise shader library for Unity

Repository: https://github.com/keijiro/NoiseShader
Canonical: https://ross.abutalabs.com/products/noiseshader
Language: HLSL
License: MIT
License Family: permissive
Topics: unity, unity3d, graphics, shader
Last push: 2025-12-04T13:35:40+00:00

## Health v2 (maintenance only)
Score: 57/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 55, release rhythm 35, longevity 100
- inputs: {"age_days": 4260, "days_push": 272, "days_rel": 275, "gap_med": 156.0, "n_releases_24m": 3}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1382, forks 132 (observed 2026-08-28T04:04:34.387629+00:00)

## What it is
A Unity package providing gradient noise functions written in HLSL, ported from the webgl-noise library. It includes Perlin, periodic Perlin, and simplex noise in 2D/3D plus analytical derivatives.

## Use cases
- generate perlin noise in unity shaders
- simplex noise hlsl functions for unity
- procedural terrain noise for unity
- noise with analytical derivatives in shaders
- periodic tileable noise for textures

## When to choose
- you need GPU noise functions in Unity shaders
- you want battle-tested ports of webgl-noise
- you need simplex noise with derivatives

## When to avoid
- you're not using Unity
- you need CPU-side noise generation
- you need Worley or value noise variants

## Facets
- artifact type: library
- maturity: active
- function: graphics, sdk
- domain: graphics
- platform: game-engine, cross-platform
- tags: unity, hlsl, shader, perlin-noise, simplex-noise, procedural-generation, game-development

## Member repositories
- keijiro/NoiseShader (main) score 57

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:34.387629+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:40:07.724380+00:00, confidence not recorded.
  - readme: https://github.com/keijiro/NoiseShader (fetched 2026-08-28T04:04:34.387629+00:00, sha 2abd7aab8ddc)
- Data as of 2026-08-30T08:39:29.467469+00:00.