threejs-interaction

Implement raycasting, click detection, and camera controls in Three.js applications.

Updated Apr 9, 2026
One-click install
npx skills add https://github.com/CarlosQ96/robot-crawler --skill threejs-interaction-carlosq96
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threejs-interaction
Source: https://github.com/CarlosQ96/robot-crawler/tree/main/.agents/skills/threejs-interaction
Command: npx skills add https://github.com/CarlosQ96/robot-crawler --skill threejs-interaction-carlosq96

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It removes the complexity of implementing user interactions, such as raycasting for click detection and various camera control schemes, in Three.js projects.

Core Features & Use Cases

  • Raycasting & Object Selection: Detect mouse or touch clicks on 3D objects and handle selections.
  • Camera Controls: Ready-to-use Orbit, Fly, First‑Person, Pointer‑Lock, Trackball, Map, and more.
  • Input Handling: Unified mouse, touch, and keyboard input management.
  • Use Case: Quickly equip a 3D game or interactive visualization with precise click picking and smooth camera navigation without writing low‑level event code.

Quick Start

Use the threejs-interaction skill to enable click detection and orbit controls in your Three.js 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 mouse and touch click detection to 3D objects in Three.js?

Mouse and touch click detection in Three.js is enabled through raycasting, which calculates intersections between input coordinates and 3D meshes. This approach handles object selection without writing low-level event code.

What camera controls are available for Three.js interactive applications?

Three.js interactive applications support ready-to-use Orbit, Fly, First-Person, Pointer-Lock, Trackball, and Map camera controls. These schemes provide smooth navigation and require a configured camera, renderer, and scene to function.

Can I handle both mouse and touch input for Three.js raycasting?

Yes, Three.js raycasting supports unified mouse and touch input management. By applying consistent input handling, your 3D experience can accurately detect clicks and select objects across desktop and mobile devices.

What do I need to set up before implementing Three.js object selection?

Before implementing object selection, you need the Three.js library with appropriate control modules installed. A properly configured camera, renderer, and scene are required to process raycasting and input events.

Why write custom event listeners for Three.js camera controls when alternatives exist?

Writing custom event listeners for Three.js camera controls is unnecessary when prebuilt Orbit and Pointer-Lock schemes exist. Using integrated control modules avoids low-level event code complexity and ensures smooth, standardized 3D navigation.