NgtpGlitch

Preview

canvas.ts

import { ChangeDetectionStrategy, Component } from '@angular/core';
import { PostprocessingWrapper } from '@postprocessing/wrapper.ts';
import { NgtCanvas, provideNgtRenderer } from 'angular-three/dom';
import { SceneGraph } from './scene-graph';

@Component({
    selector: 'app-glitch',
    template: `
        <ngt-canvas [camera]="{ position: [0, 0, 5], fov: 50 }">
            <app-postprocessing-wrapper *canvasContent [lights]="true">
                <app-scene-graph />
            </app-postprocessing-wrapper>
        </ngt-canvas>
    `,
    changeDetection: ChangeDetectionStrategy.OnPush,
    host: { class: 'glitch-demo relative block h-full' },
    imports: [NgtCanvas, PostprocessingWrapper, SceneGraph],
})
export default class Glitch {
    static clientProviders = [provideNgtRenderer()];
}

scene-graph.ts

import { ChangeDetectionStrategy, Component, CUSTOM_ELEMENTS_SCHEMA, ElementRef, viewChild } from '@angular/core';
import { beforeRender, NgtArgs } from 'angular-three';
import { NgtpEffectComposer, NgtpGlitch } from 'angular-three-postprocessing';
import { GlitchMode } from 'postprocessing';
import * as THREE from 'three';

@Component({
    selector: 'app-scene-graph',
    template: `
        <ngt-mesh #mesh>
            <ngt-icosahedron-geometry *args="[1.2, 1]" />
            <ngt-mesh-standard-material color="#ff00ff" [flatShading]="true" />
        </ngt-mesh>

        <ngtp-effect-composer>
            <ngtp-glitch
                [options]="{
                    mode: GlitchMode.SPORADIC,
                    delay: [0.5, 1],
                    duration: [0.1, 0.3],
                    strength: [0.1, 0.3],
                }"
            />
        </ngtp-effect-composer>
    `,
    schemas: [CUSTOM_ELEMENTS_SCHEMA],
    changeDetection: ChangeDetectionStrategy.OnPush,
    imports: [NgtArgs, NgtpEffectComposer, NgtpGlitch],
})
export class SceneGraph {
    protected GlitchMode = GlitchMode;

    private meshRef = viewChild.required<ElementRef<THREE.Mesh>>('mesh');

    constructor() {
        beforeRender(({ delta }) => {
            const mesh = this.meshRef().nativeElement;
            mesh.rotation.x += delta * 0.2;
            mesh.rotation.y += delta * 0.3;
        });
    }
}

The glitch effect creates digital distortion artifacts, simulating video signal interference or data corruption.

Usage

import { NgtpEffectComposer, NgtpGlitch } from 'angular-three-postprocessing';

@Component({
  template: `
    <ngtp-effect-composer>
      <ngtp-glitch [options]="{ delay: [1.5, 3.5], duration: [0.6, 1.0] }" />
    </ngtp-effect-composer>
  `,
  imports: [NgtpEffectComposer, NgtpGlitch],
})
export class SceneGraph {}

Options

Property	Type	Default	Description
delay	[number, number]	[1.5, 3.5]	Min/max delay between glitches (seconds)
duration	[number, number]	[0.6, 1.0]	Min/max duration of glitches (seconds)
strength	[number, number]	[0.3, 1.0]	Min/max strength of the effect
active	boolean	true	Whether the effect is active
ratio	number	0.85	Ratio of glitch occurrence

Example: Intense Glitch

<ngtp-effect-composer>
  <ngtp-glitch [options]="{
    delay: [0.5, 1.0],
    duration: [0.2, 0.5],
    strength: [0.5, 1.0],
    ratio: 0.9
  }" />
</ngtp-effect-composer>