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threejs-postprocessing

Enhances Three.js scenes with real-time post-processing effects via EffectComposer.

Updated Jan 31, 2026
Search Tags:#webgl#threejs#shader#bloom#postprocessing#effectcomposer#dof
One-click install
npx skills add https://github.com/Clinscott/CStar --skill threejs-postprocessing-clinscott
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-postprocessing
Source: https://github.com/Clinscott/CStar/tree/main/skills_db/threejs-skills/skills/threejs-postprocessing
Command: npx skills add https://github.com/Clinscott/CStar --skill threejs-postprocessing-clinscott

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill enables real-time post-processing in Three.js to enhance visuals with cinematic effects.

Core Features & Use Cases

  • Bloom, depth of field, color grading, and screen-space effects for immersive scenes.
  • Flexible, multi-pass rendering pipelines that can be adapted for games, simulations, and interactive demos.
  • Quick customization and experimentation with common passes like UnrealBloomPass, DOF (BokehPass), and ShaderPass.

Quick Start

Instantiate an EffectComposer, add passes (RenderPass and Bloom/DOF passes), and render the scene with the composer.

Frequently Asked Questions about threejs-postprocessing

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

FAQPage Schema
How do I add bloom and depth of field to a Three.js scene?▼

To add bloom and depth of field, instantiate an EffectComposer, append passes like UnrealBloomPass and BokehPass, and render the scene with the composer to achieve cinematic real-time post-processing effects.

What is the best way to set up a multi-pass rendering pipeline for WebGL visualizations?▼

Setting up a multi-pass rendering pipeline involves using Three.js EffectComposer to sequence passes, enabling color grading and screen-space effects for immersive WebGL visualizations and interactive demos.

Can I use custom ShaderPass effects with EffectComposer in Three.js?▼

Yes, you can use custom ShaderPass effects with EffectComposer. The system supports flexible multi-pass rendering pipelines, allowing quick customization and experimentation with common passes for games and simulations.

Does this Three.js post-processing approach handle canvas resizing automatically?▼

Yes, this approach handles canvas resizing automatically. The post-processing implementation supports resize-aware multi-pass rendering to ensure your screen-space effects and EffectComposer pipelines adapt to dynamic viewport changes.

Why use post-processing instead of baking lighting directly into my 3D scene?▼

Post-processing provides real-time cinematic enhancements like bloom, depth of field, and color grading without altering base geometry. It enables flexible multi-pass rendering pipelines for games, simulations, and interactive visualizations.

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