threejs-postprocessing

Apply shader-based visual effects to Three.js scenes with EffectComposer.

45|50|Updated Jan 24, 2026

Search Tags:#rendering #shaders #three.js #visual effects #post-processing #bloom #dof

Ready to run

npx skills add https://github.com/zocomputer/skills --skill threejs-postprocessing-zocomputer

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: threejs-postprocessing
Source: https://github.com/zocomputer/skills/tree/main/External/threejs-postprocessing
Command: npx skills add https://github.com/zocomputer/skills --skill threejs-postprocessing-zocomputer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill enables the application of advanced visual effects to Three.js scenes, transforming flat renderings into dynamic and visually rich experiences.

Core Features & Use Cases

Post-processing Pipeline: Chain multiple visual effects for complex looks.
Common Effects: Bloom (glow), Depth of Field (DOF), FXAA/SMAA (anti-aliasing), SSAO (ambient occlusion), Film Grain, Vignette, Color Correction, Pixelation, Glitch, Halftone, and Outlines.
Use Case: Add a realistic bloom effect to glowing elements in a game, simulate camera depth-of-field for cinematic shots, or apply a stylized film grain for an retro aesthetic.

Quick Start

Use the threejs-postprocessing skill to add a bloom effect to your Three.js scene by importing UnrealBloomPass and adding it to your EffectComposer.

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?▼

You can add bloom and depth of field to a Three.js scene by integrating EffectComposer with your rendering pipeline and chaining UnrealBloomPass and DOF shader passes.

Can I chain multiple visual effects like film grain and glitch in Three.js?▼

You can chain multiple visual effects like film grain and glitch in Three.js by configuring the post-processing pipeline to sequence various shader passes within the EffectComposer.

Does Three.js post-processing require a specific camera setup to work?▼

Three.js post-processing requires integration with an existing Three.js rendering pipeline and camera setup to correctly apply screen effects like anti-aliasing and color correction.

What is the best way to apply anti-aliasing and SSAO in Three.js?▼

The best way to apply anti-aliasing and SSAO in Three.js is using EffectComposer passes like FXAA, SMAA, and SSAO to achieve realistic ambient occlusion and smooth edges.

When should I use post-processing effects in my 3D graphics?▼

You should use post-processing effects in 3D graphics to transform flat renderings into dynamic experiences, adding realistic glows, cinematic depth of field, or stylized retro aesthetics.

Why does my Three.js rendering pipeline need EffectComposer for visual effects?▼

Your Three.js rendering pipeline needs EffectComposer for visual effects because it manages and executes the chained shader passes required to output complex screen effects like vignettes and pixelation.