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threejs-shaders

Implement custom GLSL shader effects for Three.js projects.

602|12|Updated Apr 22, 2026
Search Tags:#glsl#shaders#webgl#threejs#shadermaterial#3d-graphics#custom-effects
One-click install
npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-shaders-video-production-buddy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-shaders
Source: https://github.com/video-production-buddy/video-production-buddy/tree/main/.agents/local/skills/threejs-shaders
Command: npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-shaders-video-production-buddy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates the steep learning curve of writing custom GLSL shaders for Three.js projects, saving developers hours of trial and error when implementing unique 3D visual effects, vertex modifications, or custom material behaviors.

Core Features & Use Cases

  • Dual Material Support: Covers both ShaderMaterial (with pre-built Three.js uniforms/attributes for faster development) and RawShaderMaterial (for full manual control over shader logic).
  • Pre-built Shader Patterns: Includes ready-to-use code for common effects like texture sampling, vertex displacement, Fresnel glows, noise-based animations, gradients, rim lighting, and dissolve transitions.
  • Material Extension & Optimization: Shows how to modify built-in Three.js materials via onBeforeCompile, plus debugging techniques and performance best practices for WebGL rendering.
  • Use Case: If you are building a 3D web experience and want to add a waving flag effect to a mesh or a glowing outline to a 3D character, this Skill provides the exact GLSL and Three.js code to implement these effects without manual shader debugging.

Quick Start

Use the threejs-shaders skill to add a custom wave displacement effect to a Three.js mesh in your web project.

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 GLSL shader effects in Three.js without manual debugging?▼

You can create custom GLSL shader effects in Three.js by using pre-built patterns for vertex displacement, Fresnel glows, and noise animations, which eliminates the need for manual low-level shader debugging. This approach provides ready-to-use code for ShaderMaterial and RawShaderMaterial.

What is the difference between ShaderMaterial and RawShaderMaterial in Three.js?▼

ShaderMaterial provides pre-built Three.js uniforms and attributes for faster development, while RawShaderMaterial gives you full manual control over shader logic. Both are supported for writing custom GLSL fragment and vertex shaders.

How do I modify built-in Three.js materials with custom GLSL code?▼

You can modify built-in Three.js materials by using the onBeforeCompile hook to inject custom GLSL code. This allows you to extend default material behaviors and add effects like rim lighting or dissolve transitions without writing entirely new shaders.

How do I add a waving flag or vertex displacement effect to a 3D mesh?▼

To add a waving flag or vertex displacement effect to a 3D mesh, you apply pre-built GLSL vertex shader patterns that modify mesh geometry dynamically. These patterns manage uniforms and varyings to animate vertices without low-level debugging.

Does this approach work for optimizing WebGL rendering performance?▼

Yes, this approach works for optimizing WebGL rendering performance by applying shader best practices and debugging techniques. It includes performance optimization strategies specifically designed for custom GLSL shaders and Three.js material extensions.

What common custom visual effects can I implement using Three.js ShaderMaterial?▼

You can implement custom visual effects including texture sampling, vertex displacement, Fresnel glows, noise-based animations, gradients, rim lighting, and dissolve transitions using Three.js ShaderMaterial. These pre-built patterns provide ready-to-use GLSL code.

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