threejs-interaction

Handle pointer and touch input in Three.js scenes with raycasting and OrbitControls.

Updated Mar 18, 2026

Search Tags:#webgl #threejs #user-input #orbitcontrols #raycasting #camera-controls #interactive-3d

Ready to run

npx skills add https://github.com/jay6697117/jet-battle --skill threejs-interaction-jay6697117

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: threejs-interaction
Source: https://github.com/jay6697117/jet-battle/tree/main/.agents/skills/threejs-interaction
Command: npx skills add https://github.com/jay6697117/jet-battle --skill threejs-interaction-jay6697117

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Handling user input, clicks, and touch interactions in 3D scenes to select objects and control the camera.

Core Features & Use Cases

Raycasting-based click detection to identify and respond to user interactions with 3D objects.
Camera controls (OrbitControls and others) to navigate 3D environments.
Support for mouse and touch input to enable interactive experiences in web-based 3D apps.

Quick Start

Initialize a Three.js scene with OrbitControls, a raycaster, and a click handler to detect intersections with 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 user input and clicks on 3D objects in Three.js?▼

To handle user input in Three.js, you use a Raycaster to detect pointer or touch intersections with scene objects, enabling click detection and object selection within your 3D scene. This approach works for both mouse and touch events.

How do I set up camera controls to navigate a Three.js scene?▼

You can set up camera controls in a Three.js scene by configuring OrbitControls, which allows users to pan, zoom, and rotate the camera around the 3D environment using mouse or touch input.

Does raycasting work with touch input for interactive 3D graphics?▼

Yes, raycasting works with touch input for interactive 3D graphics. By setting up event handling for pointer and touch events, the Raycaster can accurately identify intersections and select objects on mobile devices.

What is the best way to select 3D objects in a web-based simulation?▼

The best way to select 3D objects in a web-based simulation is combining a Three.js Raycaster with OrbitControls. This setup casts a line from the camera through the pointer to detect intersections with scene meshes.

What components do I need to initialize interactive 3D with Three.js?▼

To initialize interactive 3D with Three.js, you need to set up a Three.js scene, configure OrbitControls for camera navigation, instantiate a Raycaster, and define event handlers for pointer input to detect object intersections.

Why does my raycasting not detect clicks on my Three.js objects?▼

Raycasting may fail to detect clicks if the event handler is not properly mapped to the pointer coordinates or if the Raycaster is not correctly intersecting the object array. Ensure your scene setup and event handling are properly configured.