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threejs-interaction

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

Updated Apr 9, 2026
Search Tags:#interaction#three.js#touch#mouse#raycasting#camera-controls
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.

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