threejs-shaders

Create Three.js custom shaders with GLSL for visual effects.

2.9k|336|Updated Jan 19, 2026
One-click install
npx skills add https://github.com/CloudAI-X/threejs-skills --skill threejs-shaders-cloudai-x
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threejs-shaders
Source: https://github.com/CloudAI-X/threejs-skills/tree/main/skills/threejs-shaders
Command: npx skills add https://github.com/CloudAI-X/threejs-skills --skill threejs-shaders-cloudai-x

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill enables the creation of unique visual effects and custom material appearances in Three.js by leveraging the power of GLSL shaders.

Core Features & Use Cases

  • Custom Shaders: Write and apply custom vertex and fragment shaders using ShaderMaterial or RawShaderMaterial.
  • Uniforms & Varyings: Control shader behavior with dynamic uniforms and pass data between shader stages.
  • Use Case: Create a dissolve effect on a 3D model, implement a Fresnel effect for a realistic material, or generate procedural textures directly within the shader.

Quick Start

Use the threejs-shaders skill to create a ShaderMaterial with a red color and update its time uniform in the animation loop.

Frequently Asked Questions about threejs-shaders

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create custom visual effects using Three.js shaders?

To create custom visual effects in Three.js, write GLSL vertex and fragment shaders using ShaderMaterial or RawShaderMaterial, and control their behavior dynamically with uniforms to achieve unique material appearances.

Can I modify built-in Three.js materials with GLSL code?

Yes, you can modify built-in Three.js materials with GLSL code by utilizing the onBeforeCompile function, allowing you to inject custom shader logic without replacing the entire material structure.

How do I implement vertex displacement and Fresnel effects in Three.js?

Implementing vertex displacement and Fresnel effects in Three.js involves writing custom GLSL code within your shaders to manipulate geometry positions and calculate light reflection angles for realistic material rendering.

What are uniforms and varyings used for in Three.js shader programming?

Uniforms and varyings in Three.js shader programming are used to control shader behavior with dynamic variables and pass interpolated data between the vertex and fragment shader stages.

Does this approach support procedural texture generation and noise-based effects?

Yes, this approach supports procedural texture generation and noise-based effects by leveraging GLSL within custom shaders to mathematically generate visual patterns dynamically during the rendering pipeline.