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threejs-interaction

Handle mouse and touch input with Raycaster for object selection in Three.js scenes.

Updated Mar 18, 2025
Search Tags:#interaction#webgl#threejs#touch-input#orbitcontrols#raycasting#mouse-input
One-click install
npx skills add https://github.com/utsavm81098/88-residences --skill threejs-interaction-utsavm81098
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-interaction
Source: https://github.com/utsavm81098/88-residences/tree/main/.agents/skills/threejs-interaction
Command: npx skills add https://github.com/utsavm81098/88-residences --skill threejs-interaction-utsavm81098

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Facilitates reliable user input handling in Three.js by providing raycasting, object selection, and camera controls to build interactive 3D experiences.

Core Features & Use Cases

  • Raycasting-based selection and hover feedback for 3D objects.
  • Built-in camera controls (Orbit controls and other navigation patterns) for intuitive exploration.
  • Cross-device input support (mouse and touch) to drive scene interactions.

Quick Start

Create a basic scene, import OrbitControls, initialize a Raycaster, and test clicking on objects to select them.

Frequently Asked Questions about threejs-interaction

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

FAQPage Schema
How do I handle mouse input and select 3D objects in Three.js?▼

To handle mouse input and select 3D objects in Three.js, configure a Raycaster to detect pointer intersections with your scene meshes. This enables reliable click detection and hover feedback for interactive web experiences.

Can I use OrbitControls and Raycaster together for camera and object interaction?▼

You can use OrbitControls and a Raycaster together to separate camera navigation from object interaction. OrbitControls manages touch and mouse camera movement, while the Raycaster independently handles object selection events.

What is the best way to add hover feedback to a WebGL scene using Three.js?▼

The best way to add hover feedback in a Three.js WebGL scene is using raycasting to track pointer movement over objects. This cross-device input method detects when the cursor intersects specific 3D meshes.

Does Three.js raycasting support touch input events on mobile web apps?▼

Three.js raycasting supports touch input events for mobile web apps. The system processes both mouse and touch inputs uniformly, allowing users to tap and select 3D objects reliably across different devices.

Why are my Three.js object selection events not working with OrbitControls?▼

Object selection events may fail if the Raycaster is not properly configured to distinguish clicks from OrbitControls drag movements. Structured event handling patterns are required to prevent camera navigation from overriding selection inputs.

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