threejs-interaction

Implement raycasting, camera controls, and drag interactions for Three.js scenes.

602|12|Updated Apr 22, 2026

Search Tags:#javascript #threejs #camera controls #raycasting #3d interaction #object selection #web 3d

Ready to run

npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-interaction-video-production-buddy

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: threejs-interaction
Source: https://github.com/video-production-buddy/video-production-buddy/tree/main/.agents/local/skills/threejs-interaction
Command: npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-interaction-video-production-buddy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates the need to build custom input handling, raycasting, and camera control logic from scratch for Three.js 3D scenes, saving development time and reducing implementation errors.

Core Features & Use Cases

Raycasting & Object Interaction: Detect mouse clicks, touches, and hover events on 3D objects to enable click-to-select, hover effects, and drag interactions.
Pre-built Camera Controls: Integrate Orbit, Fly, FirstPerson, PointerLock, Trackball, and Map controls for intuitive scene navigation out of the box.
Use Case: For example, use this Skill to add interactive 3D product viewers to an e-commerce site, where users can rotate, zoom, and select product components to view detailed specifications.

Quick Start

Use the threejs-interaction skill to add clickable object selection and orbit camera controls to your existing Three.js 3D scene.

Frequently Asked Questions about threejs-interaction

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

FAQPage Schema

How do I add clickable object selection to a Three.js 3D scene?▼

You can add clickable object selection to a Three.js scene by using raycasting to detect mouse clicks and touches on 3D objects, enabling click-to-select and hover effects without building custom input handling logic from scratch.

What's the best way to implement orbit and first-person camera controls in Three.js?▼

The best way to implement camera navigation in Three.js is using pre-built Orbit, Fly, FirstPerson, PointerLock, and Trackball controls, which provide intuitive scene navigation out of the box for interactive 3D viewers.

Can I detect mouse hover events on 3D objects in a Three.js web application?▼

Yes, you can detect mouse hover events on 3D objects in a Three.js web application by utilizing raycasting utilities to track pointer movement over meshes, enabling interactive hover effects for product viewers and virtual showrooms.

How do raycasting and coordinate conversion work for 3D interaction in Three.js?▼

Raycasting in Three.js works by projecting a 2D screen coordinate into a 3D ray to intersect with scene objects, while coordinate conversion utilities translate mouse and touch inputs into 3D world space for accurate drag interactions.

Does this Three.js interaction approach support touch events for mobile 3D viewers?▼

Yes, this Three.js interaction approach supports touch events for mobile 3D viewers by providing pre-built input handling that detects touches on 3D objects, enabling click-to-select and drag interactions across both mouse and touch interfaces.