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name: threejs-fundamentals description: Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems. Use when setting up 3D scenes, creating cameras, configuring renderers, managing object hierarchies, or working with transforms. risk: critical source: community date_added: "2026-09-04"

Three.js Fundamentals

Detailed Guide

Read the detailed guide before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.

When to Use

• You need to set up the core structure of a Three.js scene.
• The task involves scenes, cameras, renderers, transforms, resize handling, or object hierarchy basics.
• You want foundational Three.js guidance before working on specialized topics like shaders or post-processing.

Limitations

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.