threejs-postprocessing

import * as THREE from "three";
import { EffectComposer } from "three/addons/postprocessing/EffectComposer.js";
import { RenderPass } from "three/addons/postprocessing/RenderPass.js";
import { UnrealBloomPass } from "three/addons/postprocessing/UnrealBloomPass.js";
 
// Setup composer
const composer = new EffectComposer(renderer);
 
// Render scene
const renderPass = new RenderPass(scene, camera);
composer.addPass(renderPass);
 
// Add bloom
const bloomPass = new UnrealBloomPass(
  new THREE.Vector2(window.innerWidth, window.innerHeight),
  1.5, // strength
  0.4, // radius
  0.85, // threshold
);
composer.addPass(bloomPass);
 
// Animation loop - use composer instead of renderer
function animate() {
  requestAnimationFrame(animate);
  composer.render(); // NOT renderer.render()
}

import { EffectComposer } from "three/addons/postprocessing/EffectComposer.js";
import { RenderPass } from "three/addons/postprocessing/RenderPass.js";
 
const composer = new EffectComposer(renderer);
 
// First pass: render scene
const renderPass = new RenderPass(scene, camera);
composer.addPass(renderPass);

import { UnrealBloomPass } from "three/addons/postprocessing/UnrealBloomPass.js";
 
const bloomPass = new UnrealBloomPass(
  new THREE.Vector2(window.innerWidth, window.innerHeight),
  1.5, // strength - intensity of glow
  0.4, // radius - spread of glow
  0.85, // threshold - brightness threshold
);
 
composer.addPass(bloomPass);

import { UnrealBloomPass } from "three/addons/postprocessing/UnrealBloomPass.js";
import { ShaderPass } from "three/addons/postprocessing/ShaderPass.js";
 
// Layer setup
const BLOOM_LAYER = 1;
const bloomLayer = new THREE.Layers

import { ShaderPass } from "three/addons/postprocessing/ShaderPass.js";
import { FXAAShader } from "three/addons/shaders/FXAAShader.js";
 
const fxaaPass = new ShaderPass(FXAAShader);
fxaaPass.material.uniforms["resolution"].value.set(
  1 / window.innerWidth,
  1 / window.innerHeight,
);
 
composer.

import { SMAAPass } from "three/addons/postprocessing/SMAAPass.js";
 
const smaaPass = new SMAAPass(
  window.innerWidth * renderer.getPixelRatio(),
  window.innerHeight * renderer.getPixelRatio(),
);
 
composer.addPass(smaaPass);

import { SSAOPass } from "three/addons/postprocessing/SSAOPass.js";
 
const ssaoPass = new SSAOPass(
  scene,
  camera,
  window.innerWidth,
  window.innerHeight,
);
ssaoPass.kernelRadius = 16;
ssaoPass.minDistance = 0.005;
ssaoPass.maxDistance = 0.1;

import { BokehPass } from "three/addons/postprocessing/BokehPass.js";
 
const bokehPass = new BokehPass(scene, camera, {
  focus: 10.0, // Focus distance
  aperture: 0.025, // Aperture (smaller = more DOF)
  maxblur: 0.01, // Max blur amount
});
 
composer.addPass(bokehPass);
 
// Update focus dynamically
bokehPass.uniforms[

import { FilmPass } from "three/addons/postprocessing/FilmPass.js";
 
const filmPass = new FilmPass(
  0.35, // noise intensity
  0.5, // scanline intensity
  648, // scanline count
  false, // grayscale
);
 
composer.addPass(filmPass);

import { ShaderPass } from "three/addons/postprocessing/ShaderPass.js";
import { VignetteShader } from "three/addons/shaders/VignetteShader.js";
 
const vignettePass = new ShaderPass(VignetteShader);
vignettePass.uniforms["offset"].value = 1.0; // Vignette size
vignettePass.uniforms["darkness"].value = 1.0; // Vignette intensity
 
composer.

import { ShaderPass } from "three/addons/postprocessing/ShaderPass.js";
import { ColorCorrectionShader } from "three/addons/shaders/ColorCorrectionShader.js";
 
const colorPass = new ShaderPass(ColorCorrectionShader);
colorPass.uniforms["powRGB"].value = new THREE.Vector3(1.2, 1.2, 1.2); // Power

import { GammaCorrectionShader } from "three/addons/shaders/GammaCorrectionShader.js";
 
const gammaPass = new ShaderPass(GammaCorrectionShader);
composer.addPass(gammaPass);

import { RenderPixelatedPass } from "three/addons/postprocessing/RenderPixelatedPass.js";
 
const pixelPass = new RenderPixelatedPass(6, scene, camera); // 6 = pixel size
 
composer.addPass(pixelPass);

import { GlitchPass } from "three/addons/postprocessing/GlitchPass.js";
 
const glitchPass = new GlitchPass();
glitchPass.goWild = false; // Continuous glitching
 
composer.addPass(glitchPass);

import { HalftonePass } from "three/addons/postprocessing/HalftonePass.js";
 
const halftonePass = new HalftonePass(window.innerWidth, window.innerHeight, {
  shape: 1, // 1 = dot, 2 = ellipse, 3 = line, 4 = square
  radius: 4, // Dot size
  rotateR: Math.PI / 12,
  rotateB: (Math.PI / 12) * 2

import { OutlinePass } from "three/addons/postprocessing/OutlinePass.js";
 
const outlinePass = new OutlinePass(
  new THREE.Vector2(window.innerWidth, window.innerHeight),
  scene,
  camera,
);
 
outlinePass.edgeStrength = 3;
outlinePass.edgeGlow = 0;
outlinePass.edgeThickness 

import { ShaderPass } from "three/addons/postprocessing/ShaderPass.js";
 
const CustomShader = {
  uniforms: {
    tDiffuse: { value: null }, // Required: input texture
    time: { value: 0 },
    intensity: { value: 1.0 },
  },
  vertexShader: `

const InvertShader = {
  uniforms: {
    tDiffuse: { value: null },
  },
  vertexShader: `
    varying vec2 vUv;
    void main() {
      vUv = uv;
      gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
    }
  `,
  fragmentShader: `
    uniform sampler2D tDiffuse;
    varying vec2 vUv;
 
    void main() {
      vec4 color = texture2D(tDiffuse, vUv);

const ChromaticAberrationShader = {
  uniforms: {
    tDiffuse: { value: null },
    amount: { value: 0.005 },
  },
  vertexShader: `
    varying vec2 vUv;
    void main() {
      vUv = uv;
      gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
    }
  `,
  fragmentShader: `

import { EffectComposer } from "three/addons/postprocessing/EffectComposer.js";
import { RenderPass } from "three/addons/postprocessing/RenderPass.js";
import { UnrealBloomPass } from "three/addons/postprocessing/UnrealBloomPass.js";
import { ShaderPass } from

// Create render target
const renderTarget = new THREE.WebGLRenderTarget(512, 512);
 
// Render scene to target
renderer.setRenderTarget(renderTarget);
renderer.render(scene, camera);
renderer.setRenderTarget(null);
 
// Use texture
const texture = renderTarget.texture;
otherMaterial.map 

// Multiple composers for different scenes/layers
const bgComposer = new EffectComposer(renderer);
bgComposer.addPass(new RenderPass(bgScene, camera));
 
const fgComposer = new EffectComposer(renderer);
fgComposer.addPass(new RenderPass(fgScene, camera));
fgComposer.addPass(bloomPass);
 

import { postProcessing } from "three/addons/nodes/Nodes.js";
import { pass, bloom, dof } from "three/addons/nodes/Nodes.js";
 
// Using node-based system
const scenePass = pass(scene, camera);
const bloomNode = bloom(scenePass, 0.5, 0.4, 0.85);
 
const postProcessing = new

// Disable pass
bloomPass.enabled = false;
 
// Reduce bloom resolution
const bloomPass = new UnrealBloomPass(
  new THREE.Vector2(window.innerWidth / 2, window.innerHeight / 2),
  strength,
  radius,
  threshold,
);
 
// Only apply effects in high-performance scenarios
const

function onWindowResize() {
  const width = window.innerWidth;
  const height = window.innerHeight;
  const pixelRatio = renderer.getPixelRatio();
 
  camera.aspect = width / height;
  camera.updateProjectionMatrix();
 
  renderer.setSize(width, height);