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threejs-midi-viz

Build 3D MIDI-reactive visualizers with Three.js instanced meshes and spring physics.

1|Updated Feb 24, 2026
Search Tags:#visualization#three.js#webgpu#midi#real-time graphics#instanced mesh
One-click install
npx skills add https://github.com/sebasdv/my-skills --skill threejs-midi-viz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-midi-viz
Source: https://github.com/sebasdv/my-skills/tree/main/threejs-midi-viz
Command: npx skills add https://github.com/sebasdv/my-skills --skill threejs-midi-viz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill enables the creation of dynamic, 3D visualizers that react in real-time to MIDI input, transforming musical data into engaging visual experiences.

Core Features & Use Cases

  • 3D MIDI Visualization: Render interactive 3D scenes that respond to MIDI notes and control changes.
  • Instanced Meshes: Efficiently render large numbers of objects (like grids of cubes) for performance.
  • Spring Physics: Implement smooth, animated responses to MIDI events using physics simulations.
  • TSL Shaders: Utilize Three.js Shading Language for advanced, reactive material properties.
  • Use Case: Build a live visualizer for a music performance where each MIDI note triggers a cube to animate with physics-based movement and color changes, all rendered in a WebGPU-accelerated 3D environment.

Quick Start

Use the threejs-midi-viz skill to create a 3D grid of cubes that animate when MIDI notes are received.

Frequently Asked Questions about threejs-midi-viz

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

FAQPage Schema
How do I create a 3D MIDI visualizer using Three.js?▼

You can build a 3D MIDI visualizer using Three.js by setting up instanced meshes, mapping MIDI input data to per-instance spring physics, and applying TSL shader materials to achieve real-time reactive graphics.

What is the best way to render large grids of objects for real-time MIDI visualization?▼

The best way to render large grids of objects for real-time MIDI visualization is using Three.js instanced meshes, which efficiently manage massive object counts while applying per-instance spring physics and TSL shaders.

Can I use WebGPU with Three.js for MIDI-reactive graphics?▼

Yes, you can use WebGPU with Three.js for MIDI-reactive graphics by integrating the WebGPU renderer alongside TSL shader materials, enabling high-performance rendering of instanced meshes driven by MIDI input.

How does spring physics work for MIDI-to-visual mapping in Three.js?▼

Spring physics for MIDI-to-visual mapping in Three.js works by applying physics simulations to individual instances, allowing each MIDI note trigger to produce smooth, animated movement and color changes across the 3D objects.

Do I need TSL shader materials to build a Three.js MIDI visualizer?▼

You do not strictly need TSL shader materials to build a Three.js MIDI visualizer, but utilizing Three.js Shading Language provides advanced, reactive material properties and dynamic color changes directly controlled by MIDI events.

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