Configure Three.js scenes with light types, shadows, and environment lighting.
npx skills add https://github.com/hanzoai/video --skill threejs-lighting-hanzoai
Please help me install this Agent Skill. Skill: threejs-lighting Source: https://github.com/hanzoai/video/tree/main/.agents/skills/threejs-lighting Command: npx skills add https://github.com/hanzoai/video --skill threejs-lighting-hanzoai
Three.js projects often struggle with configuring effective lighting, shadows, and environment lighting to achieve realistic visuals; this Skill provides a comprehensive guide to lighting types, shadow setup, IBL, and optimization tactics to streamline scene creation.
Start by adding basic ambient and directional lights to your scene and iteratively adjust shadows to achieve desired mood and realism.
High-intent search queries and answers about installing and using this skill.
Three.js realistic scenes use ambient and hemisphere lights for base illumination, directional lights for sun shadows, and spot or point lights for localized accents. RectArea lights simulate windows and rectangular emissive surfaces.
Configuring Three.js shadows requires tuning shadow map resolution, bias, and camera frustum bounds per light. Optimizing these shadow parameters balances visual fidelity against real-time rendering performance for interactive demos.
PMREM (Prefiltered Mipmapped Radiance Environment Map) processes environment maps for Three.js IBL. It generates realistic reflections and ambient lighting on materials, ensuring accurate image-based lighting across interactive WebGL applications.
RectArea lights in Three.js do not support standard shadow mapping. Use directional or spot lights when shadows are required, and reserve RectArea lights for soft ambient illumination and rectangular light source reflections.
Setting up Three.js environment maps involves loading HDR textures and applying them via PMREM. This IBL setup provides accurate ambient lighting and material reflections for realistic real-time 3D apps and architectural visualizations.
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