pixijs-filters

import {
  AlphaFilter,
  BlurFilter,
  ColorMatrixFilter,
  DisplacementFilter,
  NoiseFilter,
  Assets,
  Sprite,
} from "pixi.js";
 
// Alpha (uniform transparency without per-child layering)
const alpha = new AlphaFilter({ alpha: 0.5 });
 
// Blur — strength/quality are uniform; strengthX/strengthY split axes;
// kernelSize must be odd (5, 7, 9, ... 15); repeatEdgePixels avoids transparent edges
const blur = new BlurFilter({
  strength: 4,
  quality: 4,
  kernelSize: 5,
  repeatEdgePixels: false,
});
 
// Color matrix — brightness is one of many presets. Others: tint, hue,
// contrast, saturate, desaturate, greyscale/grayscale, blackAndWhite,
// negative, sepia, technicolor, polaroid, kodachrome, browni, vintage,
// colorTone, night, predator, lsd, reset. Direct access via
// `colorMatrix.matrix` (20-element array) and `colorMatrix.alpha` (blend
// between original and transformed).
const colorMatrix = new ColorMatrixFilter();
colorMatrix.brightness(1.5, false);
colorMatrix.contrast(0.5, true); // multiply stacks on top of existing matrix
colorMatrix.alpha = 0.7; // blend at 70% strength
 
// Displacement — scale is a number or PointData
const displacementTexture = await Assets.load("displacement_map.png");
const displacementSprite = new Sprite(displacementTexture);
const displacement = new DisplacementFilter({
  sprite: displacementSprite,
  scale: { x: 20, y: 10 },
});
 
// Noise — seed is an arbitrary number that determines the noise pattern; same seed reproduces the same pattern
const noise = new NoiseFilter({ noise: 0.5, seed: Math.random() });
 
sprite.filters = [blur, colorMatrix];

import { Filter } from "pixi.js";
 
const filter = Filter.from({
  gl: {
    fragment: `
            in vec2 vTextureCoord;
            out vec4 finalColor;
            uniform sampler2D uTexture;
            uniform float uTime;
 
            void main() {
                vec2 uv = vTextureCoord;
                uv.x += sin(uv.y * 10.0 + uTime) * 0.02;
                finalColor = texture(uTexture, uv);
            }
        `,
  },
  resources: {
    timeUniforms: {
      uTime: { value: 0, type: "f32" },
    },
  },
});
 
sprite.filters = filter;
 
app.ticker.add((ticker) => {
  filter.resources.timeUniforms.uniforms.uTime += 0.04 * ticker.deltaTime;
});

import { Filter, GlProgram } from "pixi.js";
 
const glProgram = GlProgram.from({ fragment: fragmentSrc, vertex: vertexSrc });
 
const filter = new Filter({
  glProgram,
  resources: {
    timeUniforms: {
      uTime: { value: 0, type: "f32" },
    },
  },
});

import { Filter, GlProgram, Rectangle } from "pixi.js";
 
const filter = new Filter({
  glProgram: GlProgram.from({ fragment }),
  resources: {},
  resolution: 0.5, // default 1. Lower = faster, blurrier. 'inherit' matches the render target resolution
  padding: 10, // default 0. Extra pixels for effects that extend bounds
  antialias: "off", // default 'off'. 'on' | 'off' | 'inherit'
  blendMode: "normal", // default 'normal'
  blendRequired: false, // default false. true if shader samples uBackTexture
  clipToViewport: true, // default true
});
 
// Optimization: set known bounds to avoid per-frame measurement
container.filterArea = new Rectangle(0, 0, 800, 600);
 
// Toggle without rebuilding the filter array
filter.enabled = false;
 
// Share one filter instance across many display objects
sprite1.filters = [filter];
sprite2.filters = [filter];

import { AdjustmentFilter } from "pixi-filters/adjustment";
import { GlowFilter } from "pixi-filters/glow";
 
sprite.filters = [
  new AdjustmentFilter({ brightness: 1.2, contrast: 1.1 }),
  new GlowFilter({ distance: 15, outerStrength: 2 }),
];

import "pixi.js/advanced-blend-modes";
 
await app.init({ useBackBuffer: true });
sprite.blendMode = "color-burn";

import { Filter } from "pixi.js";
import "pixi.js/advanced-blend-modes";
 
Filter.defaultOptions.resolution = "inherit";
sprite.blendMode = "overlay";

import { Filter } from "pixi.js";
 
const filter = new Filter(vertex, fragment, { uTime: 0 });

import { Filter, GlProgram } from "pixi.js";
 
const filter = new Filter({
  glProgram: GlProgram.from({ fragment, vertex }),
  resources: {
    timeUniforms: { uTime: { value: 0, type: "f32" } },
  },
});

import { AdjustmentFilter } from "@pixi/filter-adjustment";

import { AdjustmentFilter } from "pixi-filters/adjustment";

for (const child of container.children) {
  child.filters = [new BlurFilter({ strength: 4 })];
}

container.filters = [new BlurFilter({ strength: 4 })];

await app.init({ useBackBuffer: true });

import { Rectangle } from "pixi.js";
 
container.filterArea = new Rectangle(0, 0, 800, 600);
container.filters = [someFilter];