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webgl-raymarched-hero

Generate a self-contained 3D raymarched hero scene using fragment shaders and WebGL2.

93.2k|10.8k|Updated Apr 28, 2026
Search Tags:#prototype#GPU#generative#shader#3D#webGL#raymarch
One-click install
npx skills add https://github.com/nexu-io/open-design --skill webgl-raymarched-hero
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: webgl-raymarched-hero
Source: https://github.com/nexu-io/open-design/tree/main/plugins/_official/examples/webgl-raymarched-hero
Command: npx skills add https://github.com/nexu-io/open-design --skill webgl-raymarched-hero

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the challenge of creating high-performance, visually engaging 3D hero sections without the overhead of heavy 3D assets, textures, or complex build pipelines.

Core Features & Use Cases

  • Shader-Based Rendering: Produces 3D visuals entirely through fragment shaders using sphere tracing and signed distance fields (SDFs).
  • Self-Contained Output: Generates a single, portable index.html file that runs at 60fps in any modern browser.
  • Use Case: Ideal for landing pages or design prototypes requiring organic, morphing 3D shapes like metaballs or abstract blobs that react to the user's environment.

Quick Start

Generate a new raymarched 3D hero scene using the default metaball configuration.

Frequently Asked Questions about webgl-raymarched-hero

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

FAQPage Schema
How do I create a 3D hero without external 3D models?▼

Use the raymarching technique to render 3D shapes like metaballs or boxes directly in a fragment shader. This approach uses signed distance functions to define geometry mathematically, eliminating the need for external meshes or textures.

What is the advantage of using raymarching for web design?▼

Raymarching allows for complex, organic 3D visuals that are lightweight and performant. Because the scene is rendered per-pixel in a fragment shader, it remains highly responsive and avoids the loading overhead of traditional 3D engines.

Does this Skill support custom SDF shapes?▼

Yes, you can modify the `map(vec3 p)` function in the fragment shader to define custom signed distance fields. This allows for the creation of unique geometric forms, displacements, or domain repetitions.

Why is my raymarched scene rendering as a black screen?▼

A black screen usually indicates a shader compilation error or a failure to initialize WebGL2. Check the browser console for shader error logs and ensure the environment supports `webgl2` context.

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