Added <FaultyTerminal /> background

This commit is contained in:
Utkarsh-Singhal-26
2025-07-24 08:48:42 +05:30
parent a0d85e88d9
commit 8b1b863283
5 changed files with 677 additions and 1 deletions

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@@ -1,5 +1,5 @@
// Highlighted sidebar items
export const NEW = ['Target Cursor', 'Ripple Grid', 'Magic Bento', 'Galaxy', 'Text Type', 'Glass Surface', 'Sticker Peel', 'Scroll Stack'];
export const NEW = ['Target Cursor', 'Ripple Grid', 'Magic Bento', 'Galaxy', 'Text Type', 'Glass Surface', 'Sticker Peel', 'Scroll Stack', 'Faulty Terminal'];
export const UPDATED = [];
// Used for main sidebar navigation
@@ -93,6 +93,7 @@ export const CATEGORIES = [
'Dither',
'Dot Grid',
'Hyperspeed',
'Faulty Terminal',
'Ripple Grid',
'Silk',
'Lightning',

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@@ -95,6 +95,7 @@ const backgrounds = {
'grid-distortion': () => import('../demo/Backgrounds/GridDistortionDemo.vue'),
'ripple-grid': () => import('../demo/Backgrounds/RippleGridDemo.vue'),
'galaxy': () => import('../demo/Backgrounds/GalaxyDemo.vue'),
'faulty-terminal': () => import('../demo/Backgrounds/FaultyTerminalDemo.vue'),
};
export const componentMap = {

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@@ -0,0 +1,33 @@
import code from '@content/Backgrounds/FaultyTerminal/FaultyTerminal.vue?raw';
import { createCodeObject } from '../../../types/code';
export const faultyTerminal = createCodeObject(code, 'Backgrounds/FaultyTerminal', {
installation: `npm install ogl`,
usage: `<template>
<div class="relative w-full h-[600px]">
<FaultyTerminal
:scale="1.5"
:grid-mul="[2, 1]"
:digit-size="1.2"
:time-scale="1"
:pause="false"
:scanline-intensity="1"
:glitch-amount="1"
:flicker-amount="1"
:noise-amp="1"
:chromatic-aberration="0"
:dither="0"
:curvature="0"
tint="#ffffff"
:mouse-react="true"
:mouse-strength="0.5"
:page-load-animation="false"
:brightness="1"
/>
</div>
</template>
<script setup lang="ts">
import FaultyTerminal from "./FaultyTerminal.vue";
</script>`
});

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@@ -0,0 +1,439 @@
<script setup lang="ts">
import { Color, Mesh, Program, Renderer, Triangle } from 'ogl';
import { computed, onBeforeUnmount, onMounted, ref, useTemplateRef, watch } from 'vue';
type Vec2 = [number, number];
interface FaultyTerminalProps {
scale?: number;
gridMul?: Vec2;
digitSize?: number;
timeScale?: number;
pause?: boolean;
scanlineIntensity?: number;
glitchAmount?: number;
flickerAmount?: number;
noiseAmp?: number;
chromaticAberration?: number;
dither?: number | boolean;
curvature?: number;
tint?: string;
mouseReact?: boolean;
mouseStrength?: number;
dpr?: number;
pageLoadAnimation?: boolean;
brightness?: number;
className?: string;
style?: Record<string, string | number>;
}
const vertexShader = `
attribute vec2 position;
attribute vec2 uv;
varying vec2 vUv;
void main() {
vUv = uv;
gl_Position = vec4(position, 0.0, 1.0);
}
`;
const fragmentShader = `
precision mediump float;
varying vec2 vUv;
uniform float iTime;
uniform vec3 iResolution;
uniform float uScale;
uniform vec2 uGridMul;
uniform float uDigitSize;
uniform float uScanlineIntensity;
uniform float uGlitchAmount;
uniform float uFlickerAmount;
uniform float uNoiseAmp;
uniform float uChromaticAberration;
uniform float uDither;
uniform float uCurvature;
uniform vec3 uTint;
uniform vec2 uMouse;
uniform float uMouseStrength;
uniform float uUseMouse;
uniform float uPageLoadProgress;
uniform float uUsePageLoadAnimation;
uniform float uBrightness;
float time;
float hash21(vec2 p){
p = fract(p * 234.56);
p += dot(p, p + 34.56);
return fract(p.x * p.y);
}
float noise(vec2 p)
{
return sin(p.x * 10.0) * sin(p.y * (3.0 + sin(time * 0.090909))) + 0.2;
}
mat2 rotate(float angle)
{
float c = cos(angle);
float s = sin(angle);
return mat2(c, -s, s, c);
}
float fbm(vec2 p)
{
p *= 1.1;
float f = 0.0;
float amp = 0.5 * uNoiseAmp;
mat2 modify0 = rotate(time * 0.02);
f += amp * noise(p);
p = modify0 * p * 2.0;
amp *= 0.454545; // 1/2.2
mat2 modify1 = rotate(time * 0.02);
f += amp * noise(p);
p = modify1 * p * 2.0;
amp *= 0.454545;
mat2 modify2 = rotate(time * 0.08);
f += amp * noise(p);
return f;
}
float pattern(vec2 p, out vec2 q, out vec2 r) {
vec2 offset1 = vec2(1.0);
vec2 offset0 = vec2(0.0);
mat2 rot01 = rotate(0.1 * time);
mat2 rot1 = rotate(0.1);
q = vec2(fbm(p + offset1), fbm(rot01 * p + offset1));
r = vec2(fbm(rot1 * q + offset0), fbm(q + offset0));
return fbm(p + r);
}
float digit(vec2 p){
vec2 grid = uGridMul * 15.0;
vec2 s = floor(p * grid) / grid;
p = p * grid;
vec2 q, r;
float intensity = pattern(s * 0.1, q, r) * 1.3 - 0.03;
if(uUseMouse > 0.5){
vec2 mouseWorld = uMouse * uScale;
float distToMouse = distance(s, mouseWorld);
float mouseInfluence = exp(-distToMouse * 8.0) * uMouseStrength * 10.0;
intensity += mouseInfluence;
float ripple = sin(distToMouse * 20.0 - iTime * 5.0) * 0.1 * mouseInfluence;
intensity += ripple;
}
if(uUsePageLoadAnimation > 0.5){
float cellRandom = fract(sin(dot(s, vec2(12.9898, 78.233))) * 43758.5453);
float cellDelay = cellRandom * 0.8;
float cellProgress = clamp((uPageLoadProgress - cellDelay) / 0.2, 0.0, 1.0);
float fadeAlpha = smoothstep(0.0, 1.0, cellProgress);
intensity *= fadeAlpha;
}
p = fract(p);
p *= uDigitSize;
float px5 = p.x * 5.0;
float py5 = (1.0 - p.y) * 5.0;
float x = fract(px5);
float y = fract(py5);
float i = floor(py5) - 2.0;
float j = floor(px5) - 2.0;
float n = i * i + j * j;
float f = n * 0.0625;
float isOn = step(0.1, intensity - f);
float brightness = isOn * (0.2 + y * 0.8) * (0.75 + x * 0.25);
return step(0.0, p.x) * step(p.x, 1.0) * step(0.0, p.y) * step(p.y, 1.0) * brightness;
}
float onOff(float a, float b, float c)
{
return step(c, sin(iTime + a * cos(iTime * b))) * uFlickerAmount;
}
float displace(vec2 look)
{
float y = look.y - mod(iTime * 0.25, 1.0);
float window = 1.0 / (1.0 + 50.0 * y * y);
return sin(look.y * 20.0 + iTime) * 0.0125 * onOff(4.0, 2.0, 0.8) * (1.0 + cos(iTime * 60.0)) * window;
}
vec3 getColor(vec2 p){
float bar = step(mod(p.y + time * 20.0, 1.0), 0.2) * 0.4 + 1.0; // more efficient than ternary
bar *= uScanlineIntensity;
float displacement = displace(p);
p.x += displacement;
if (uGlitchAmount != 1.0) {
float extra = displacement * (uGlitchAmount - 1.0);
p.x += extra;
}
float middle = digit(p);
const float off = 0.002;
float sum = digit(p + vec2(-off, -off)) + digit(p + vec2(0.0, -off)) + digit(p + vec2(off, -off)) +
digit(p + vec2(-off, 0.0)) + digit(p + vec2(0.0, 0.0)) + digit(p + vec2(off, 0.0)) +
digit(p + vec2(-off, off)) + digit(p + vec2(0.0, off)) + digit(p + vec2(off, off));
vec3 baseColor = vec3(0.9) * middle + sum * 0.1 * vec3(1.0) * bar;
return baseColor;
}
vec2 barrel(vec2 uv){
vec2 c = uv * 2.0 - 1.0;
float r2 = dot(c, c);
c *= 1.0 + uCurvature * r2;
return c * 0.5 + 0.5;
}
void main() {
time = iTime * 0.333333;
vec2 uv = vUv;
if(uCurvature != 0.0){
uv = barrel(uv);
}
vec2 p = uv * uScale;
vec3 col = getColor(p);
if(uChromaticAberration != 0.0){
vec2 ca = vec2(uChromaticAberration) / iResolution.xy;
col.r = getColor(p + ca).r;
col.b = getColor(p - ca).b;
}
col *= uTint;
col *= uBrightness;
if(uDither > 0.0){
float rnd = hash21(gl_FragCoord.xy);
col += (rnd - 0.5) * (uDither * 0.003922);
}
gl_FragColor = vec4(col, 1.0);
}
`;
function hexToRgb(hex: string): [number, number, number] {
let h = hex.replace('#', '').trim();
if (h.length === 3)
h = h
.split('')
.map(c => c + c)
.join('');
const num = parseInt(h, 16);
return [((num >> 16) & 255) / 255, ((num >> 8) & 255) / 255, (num & 255) / 255];
}
const props = withDefaults(defineProps<FaultyTerminalProps>(), {
scale: 1,
gridMul: () => [2, 1],
digitSize: 1.5,
timeScale: 0.3,
pause: false,
scanlineIntensity: 0.3,
glitchAmount: 1,
flickerAmount: 1,
noiseAmp: 1,
chromaticAberration: 0,
dither: 0,
curvature: 0.2,
tint: '#ffffff',
mouseReact: true,
mouseStrength: 0.2,
dpr: Math.min(window.devicePixelRatio || 1, 2),
pageLoadAnimation: true,
brightness: 1,
className: '',
style: () => ({})
});
const containerRef = useTemplateRef('containerRef');
const programRef = ref<Program | null>(null);
const rendererRef = ref<Renderer | null>(null);
const mouseRef = ref({ x: 0.5, y: 0.5 });
const smoothMouseRef = ref({ x: 0.5, y: 0.5 });
const frozenTimeRef = ref(0);
const rafRef = ref<number>(0);
const loadAnimationStartRef = ref<number>(0);
const timeOffsetRef = ref<number>(Math.random() * 100);
const tintVec = computed(() => hexToRgb(props.tint));
const ditherValue = computed(() => (typeof props.dither === 'boolean' ? (props.dither ? 1 : 0) : props.dither));
const handleMouseMove = (e: MouseEvent) => {
const ctn = containerRef.value;
if (!ctn) return;
const rect = ctn.getBoundingClientRect();
const x = (e.clientX - rect.left) / rect.width;
const y = 1 - (e.clientY - rect.top) / rect.height;
mouseRef.value = { x, y };
};
let cleanup: (() => void) | null = null;
const setup = () => {
const ctn = containerRef.value;
if (!ctn) return;
const renderer = new Renderer({ dpr: props.dpr });
rendererRef.value = renderer;
const gl = renderer.gl;
gl.clearColor(0, 0, 0, 1);
const geometry = new Triangle(gl);
const program = new Program(gl, {
vertex: vertexShader,
fragment: fragmentShader,
uniforms: {
iTime: { value: 0 },
iResolution: {
value: new Color(gl.canvas.width, gl.canvas.height, gl.canvas.width / gl.canvas.height)
},
uScale: { value: props.scale },
uGridMul: { value: new Float32Array(props.gridMul) },
uDigitSize: { value: props.digitSize },
uScanlineIntensity: { value: props.scanlineIntensity },
uGlitchAmount: { value: props.glitchAmount },
uFlickerAmount: { value: props.flickerAmount },
uNoiseAmp: { value: props.noiseAmp },
uChromaticAberration: { value: props.chromaticAberration },
uDither: { value: ditherValue },
uCurvature: { value: props.curvature },
uTint: { value: new Color(tintVec.value[0], tintVec.value[1], tintVec.value[2]) },
uMouse: {
value: new Float32Array([smoothMouseRef.value.x, smoothMouseRef.value.y])
},
uMouseStrength: { value: props.mouseStrength },
uUseMouse: { value: props.mouseReact ? 1 : 0 },
uPageLoadProgress: { value: props.pageLoadAnimation ? 0 : 1 },
uUsePageLoadAnimation: { value: props.pageLoadAnimation ? 1 : 0 },
uBrightness: { value: props.brightness }
}
});
programRef.value = program;
const mesh = new Mesh(gl, { geometry, program });
function resize() {
if (!ctn || !renderer) return;
renderer.setSize(ctn.offsetWidth, ctn.offsetHeight);
program.uniforms.iResolution.value = new Color(
gl.canvas.width,
gl.canvas.height,
gl.canvas.width / gl.canvas.height
);
}
const resizeObserver = new ResizeObserver(() => resize());
resizeObserver.observe(ctn);
resize();
const update = (t: number) => {
rafRef.value = requestAnimationFrame(update);
if (props.pageLoadAnimation && loadAnimationStartRef.value === 0) {
loadAnimationStartRef.value = t;
}
if (!props.pause) {
const elapsed = (t * 0.001 + timeOffsetRef.value) * props.timeScale;
program.uniforms.iTime.value = elapsed;
frozenTimeRef.value = elapsed;
} else {
program.uniforms.iTime.value = frozenTimeRef.value;
}
if (props.pageLoadAnimation && loadAnimationStartRef.value > 0) {
const animationDuration = 2000;
const animationElapsed = t - loadAnimationStartRef.value;
const progress = Math.min(animationElapsed / animationDuration, 1);
program.uniforms.uPageLoadProgress.value = progress;
}
if (props.mouseReact) {
const dampingFactor = 0.08;
const smoothMouse = smoothMouseRef.value;
const mouse = mouseRef.value;
smoothMouse.x += (mouse.x - smoothMouse.x) * dampingFactor;
smoothMouse.y += (mouse.y - smoothMouse.y) * dampingFactor;
const mouseUniform = program.uniforms.uMouse.value as Float32Array;
mouseUniform[0] = smoothMouse.x;
mouseUniform[1] = smoothMouse.y;
}
renderer.render({ scene: mesh });
};
rafRef.value = requestAnimationFrame(update);
ctn.appendChild(gl.canvas);
if (props.mouseReact) ctn.addEventListener('mousemove', handleMouseMove);
cleanup = () => {
cancelAnimationFrame(rafRef.value);
resizeObserver.disconnect();
if (props.mouseReact) ctn.removeEventListener('mousemove', handleMouseMove);
if (gl.canvas.parentElement === ctn) ctn.removeChild(gl.canvas);
gl.getExtension('WEBGL_lose_context')?.loseContext();
loadAnimationStartRef.value = 0;
timeOffsetRef.value = Math.random() * 100;
};
};
onMounted(() => {
const ctn = containerRef.value;
if (ctn) {
setup();
}
});
onBeforeUnmount(() => {
if (cleanup) {
cleanup();
cleanup = null;
}
});
watch(
() => props,
() => {
if (cleanup) {
cleanup();
cleanup = null;
}
setup();
},
{ deep: true }
);
</script>
<template>
<div
ref="containerRef"
:class="['w-full h-full relative overflow-hidden', className]"
:style="style"
v-bind="$attrs"
/>
</template>

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<template>
<TabbedLayout>
<template #preview>
<div class="relative p-0 h-[600px] overflow-hidden demo-container">
<FaultyTerminal
:key="key"
:scale="scale"
:digit-size="digitSize"
:time-scale="timeScale"
:scanline-intensity="scanlineIntensity"
:curvature="curvature"
:tint="tint"
:mouse-react="mouseReact"
:mouse-strength="mouseStrength"
:page-load-animation="pageLoadAnimation"
:noise-amp="noiseAmp"
:brightness="brightness"
/>
<BackgroundContent pill-text="New Background" headline="It works on my machine, please check again" />
</div>
<Customize>
<PreviewColor title="Tint Color" v-model="tint" />
<PreviewSlider :min="1" :max="3" :step="0.1" v-model="scale" title="Scale" />
<PreviewSlider :min="0.5" :max="3" :step="0.1" v-model="digitSize" title="Digit Size" />
<PreviewSlider :min="0" :max="3" :step="0.1" v-model="timeScale" title="Speed" />
<PreviewSlider :min="0.5" :max="1" :step="0.1" v-model="noiseAmp" title="Noise Amplitude" />
<PreviewSlider :min="0.1" :max="1" :step="0.1" v-model="brightness" title="Brightness" />
<PreviewSlider :min="0" :max="2" :step="0.1" v-model="scanlineIntensity" title="Scanline Intensity" />
<PreviewSlider :min="0" :max="0.5" :step="0.01" v-model="curvature" title="Curvature" />
<PreviewSlider :min="0" :max="2" :step="0.1" v-model="mouseStrength" title="Mouse Strength" />
<PreviewSwitch title="Mouse React" v-model="mouseReact" />
<PreviewSwitch title="Page Load Animation" v-model="pageLoadAnimation" />
</Customize>
<PropTable :data="propData" />
<Dependencies :dependency-list="['ogl']" />
</template>
<template #code>
<CodeExample :code-object="faultyTerminal" />
</template>
<template #cli>
<CliInstallation :command="faultyTerminal.cli" />
</template>
</TabbedLayout>
</template>
<script setup lang="ts">
import { useForceRerender } from '@/composables/useForceRerender';
import { ref } from 'vue';
import CliInstallation from '../../components/code/CliInstallation.vue';
import CodeExample from '../../components/code/CodeExample.vue';
import Dependencies from '../../components/code/Dependencies.vue';
import BackgroundContent from '../../components/common/BackgroundContent.vue';
import Customize from '../../components/common/Customize.vue';
import PreviewColor from '../../components/common/PreviewColor.vue';
import PreviewSlider from '../../components/common/PreviewSlider.vue';
import PreviewSwitch from '../../components/common/PreviewSwitch.vue';
import PropTable from '../../components/common/PropTable.vue';
import TabbedLayout from '../../components/common/TabbedLayout.vue';
import { faultyTerminal } from '../../constants/code/Backgrounds/faultyTerminalCode';
import FaultyTerminal from '../../content/Backgrounds/FaultyTerminal/FaultyTerminal.vue';
const { rerenderKey: key } = useForceRerender();
const scale = ref(1.5);
const digitSize = ref(1.2);
const timeScale = ref(0.5);
const scanlineIntensity = ref(0.5);
const curvature = ref(0.1);
const tint = ref('#A7EF9E');
const mouseReact = ref(true);
const mouseStrength = ref(0.5);
const pageLoadAnimation = ref(true);
const noiseAmp = ref(1);
const brightness = ref(0.6);
const propData = [
{
name: 'scale',
type: 'number',
default: '1.5',
description: 'Controls the zoom/scale of the pattern.'
},
{
name: 'gridMul',
type: 'Vec2',
default: '[2, 1]',
description: 'Grid multiplier for glyph density [x, y].'
},
{
name: 'digitSize',
type: 'number',
default: '1.2',
description: 'Size of individual glyphs.'
},
{
name: 'timeScale',
type: 'number',
default: '1',
description: 'Animation speed multiplier.'
},
{
name: 'pause',
type: 'boolean',
default: 'false',
description: 'Pause/resume animation.'
},
{
name: 'scanlineIntensity',
type: 'number',
default: '1',
description: 'Strength of scanline effects.'
},
{
name: 'glitchAmount',
type: 'number',
default: '1',
description: 'Glitch displacement intensity.'
},
{
name: 'flickerAmount',
type: 'number',
default: '1',
description: 'Flicker effect strength.'
},
{
name: 'noiseAmp',
type: 'number',
default: '1',
description: 'Noise pattern amplitude.'
},
{
name: 'chromaticAberration',
type: 'number',
default: '0',
description: 'RGB channel separation in pixels.'
},
{
name: 'dither',
type: 'number | boolean',
default: '0',
description: 'Dithering effect intensity.'
},
{
name: 'curvature',
type: 'number',
default: '0',
description: 'Barrel distortion amount.'
},
{
name: 'tint',
type: 'string',
default: "'#ffffff'",
description: 'Color tint (hex).'
},
{
name: 'mouseReact',
type: 'boolean',
default: 'true',
description: 'Enable/disable mouse interaction.'
},
{
name: 'mouseStrength',
type: 'number',
default: '0.5',
description: 'Mouse interaction intensity.'
},
{
name: 'pageLoadAnimation',
type: 'boolean',
default: 'false',
description: 'Enable fade-in animation on load.'
},
{
name: 'brightness',
type: 'number',
default: '1',
description: 'Overall opacity/brightness control.'
},
{
name: 'className',
type: 'string',
default: "''",
description: 'Additional CSS classes.'
},
{
name: 'style',
type: 'React.CSSProperties',
default: '{}',
description: 'Inline styles.'
}
];
</script>
<style scoped>
.demo-container {
padding: 0;
}
</style>