threejs-interaction

Handle user input and object manipulation in Three.js 3D scenes.

21|9|Updated Jun 22, 2026
One-click install
npx skills add https://github.com/47thtechcorner/RayCodes_OpenMontage --skill threejs-interaction-47thtechcorner
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threejs-interaction
Source: https://github.com/47thtechcorner/RayCodes_OpenMontage/tree/main/openmontage_engine/.agents/skills/threejs-interaction
Command: npx skills add https://github.com/47thtechcorner/RayCodes_OpenMontage --skill threejs-interaction-47thtechcorner

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill simplifies the complex implementation of 3D user interactions, such as raycasting, object selection, and camera control, which are often difficult to manage in raw Three.js environments.

Core Features & Use Cases

  • Raycasting & Selection: Easily detect clicks, hovers, and box selections on 3D objects.
  • Camera Controls: Implement professional-grade navigation including Orbit, Fly, and First-Person controls.
  • Transform & Drag: Add intuitive gizmos for moving, rotating, and scaling objects in a 3D scene.
  • Use Case: Use this to build an interactive product configurator where users can click to select parts, rotate the view, and drag components into place.

Quick Start

Use the threejs-interaction skill to implement raycasting for click detection on the current scene objects.

Frequently Asked Questions about threejs-interaction

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

FAQPage Schema
How do I handle 3D object selection and clicks in Three.js?

Three.js object selection uses raycasting to detect clicks and hovers on 3D meshes. This Skill provides a framework to handle raycasting, coordinate conversion, and event logic for efficient click detection in web-based 3D scenes.

What is the best way to implement camera controls in a Three.js scene?

Implementing camera controls in Three.js requires navigation logic for Orbit, Fly, or First-Person views. This framework facilitates professional-grade camera navigation, allowing users to intuitively rotate, pan, and explore 3D environments.

How do I add drag and transform gizmos to Three.js objects?

Adding drag and transform gizmos to Three.js objects involves attaching manipulation controls for moving, rotating, and scaling. This Skill facilitates intuitive gizmo integration, enabling interactive object manipulation within 3D applications.

Can I use this Three.js interaction framework for an interactive product configurator?

Yes, this Three.js interaction framework suits interactive product configurators. It combines raycasting for part selection, camera controls for view rotation, and drag controls for components, satisfying requirements for complex web-based 3D applications.

Why does my Three.js raycasting performance drop during user interaction?

Three.js raycasting performance drops often stem from inefficient event handling during rapid user interaction. This framework provides performance-optimized interaction logic and coordinate conversion to manage raycasting calculations efficiently.

Do I need any external dependencies to manage Three.js user input?

No external dependencies are required to manage Three.js user input with this framework. It operates independently to facilitate raycasting, camera navigation, and transform controls without relying on additional libraries.