Schermo TV HTML con incorporamento di YouTube ed effetto Glitch

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Schermo TV HTML con incorporamento di YouTube ed effetto Glitch

Consigliato

27 May 2025

Un codice di alejandrokundrah

10 January 2026

Modello HTML per portfolio di sviluppatori full stack

11 February 2026

Esempio di rilevamento del piano di tracciamento delle mani WebXR AR

HTML

CSS

body {
  background: black;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  position: relative;
}
.tv-screen {
  position: absolute;
  width: 90vw;
  height: 50vw;
  max-width: 100%;
  max-height: 100vh;
  background-image: url(https://alexandrevacassin.fr/codepen/old-tv/base.webp);
  z-index: 10;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
.tv-container {
  position: absolute;
  margin-bottom: 3vw;
  width: 60vw;
  margin-right: 10vw;
  height: 45vw;
  max-width: 100%;
  max-height: 70vh;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden
}
video, iframe {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  filter: contrast(1.2) brightness(1.1);
}
.glitch {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://upload.wikimedia.org/wikipedia/commons/0/02/Television_static.gif");
  mix-blend-mode: multiply;
  opacity: 0.3;
  animation: glitchMove 0.2s infinite linear;
  z-index: 2;
}
.scan-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0.2) 1px,
    rgba(0, 0, 0, 0) 2px
  );
  pointer-events: none;
  z-index: 2;
}
@keyframes glitchMove {
  0% { transform: translateX(0); }
  33% { transform: translateX(-5px); }
  66% { transform: translateX(5px); }
  100% { transform: translateX(0); }
}
canvas {
  mix-blend-mode: screen;
  position: absolute;
  left: 0;
  z-index: 9;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.snow-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("https://upload.wikimedia.org/wikipedia/commons/0/02/Television_static.gif");
  background-size: cover;
  opacity: 0;
  z-index: 3;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out;
}

JS

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

class VCREffect {
    constructor(canvas, options = {}) {
        this.canvas = canvas;
        this.ctx = canvas.getContext("2d");
        this.config = Object.assign({
            fps: 60,
            blur: 1,
            opacity: 1,
            miny: 220,
            miny2: 220,
            num: 70
        }, options);

this.init();
    }

init() {
        this.canvas.width = window.innerWidth;
        this.canvas.height = window.innerHeight;
        this.canvas.style.position = "absolute";
        this.canvas.style.top = "0";
        this.canvas.style.left = "0";
        this.canvas.style.opacity = this.config.opacity;

this.generateVCRNoise();
        window.addEventListener("resize", () => this.onResize());
    }

onResize() {
        this.canvas.width = window.innerWidth;
        this.canvas.height = window.innerHeight;
    }

generateVCRNoise() {
        if (this.config.fps >= 60) {
            cancelAnimationFrame(this.vcrInterval);
            const animate = () => {
                this.renderTrackingNoise();
                this.vcrInterval = requestAnimationFrame(animate);
            };
            animate();
        } else {
            clearInterval(this.vcrInterval);
            this.vcrInterval = setInterval(() => {
                this.renderTrackingNoise();
            }, 1000 / this.config.fps);
        }
    }

renderTrackingNoise(radius = 2) {
        const { canvas, ctx, config } = this;
        let { miny, miny2, num } = config;

canvas.style.filter = `blur(${config.blur}px)`;
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        ctx.fillStyle = `#fff`;

ctx.beginPath();
        for (let i = 0; i <= num; i++) {
            let x = Math.random() * canvas.width;
            let y1 = getRandomInt(miny += 3, canvas.height);
            let y2 = getRandomInt(0, miny2 -= 3);
            ctx.fillRect(x, y1, radius, radius);
            ctx.fillRect(x, y2, radius, radius);
            ctx.fill();

this.renderTail(ctx, x, y1, radius);
            this.renderTail(ctx, x, y2, radius);
        }
        ctx.closePath();
    }

renderTail(ctx, x, y, radius) {
        const n = getRandomInt(1, 50);
        const dirs = [1, -1];
        let dir = dirs[Math.floor(Math.random() * dirs.length)];

for (let i = 0; i < n; i++) {
            let r = getRandomInt(radius - 0.01, radius);
            let dx = getRandomInt(1, 4) * dir;
            radius -= 0.1;
            ctx.fillRect((x += dx), y, r, r);
            ctx.fill();
        }
    }
}

// Usage
const canvas = document.getElementById("canvas");
const vcrEffect = new VCREffect(canvas, {
    opacity: 1,
    miny: 220,
    miny2: 220,
    num: 70,
    fps: 60,
    blur: 1
});
const videoIds = ["c4CVKbVtTsc", "143aXLat70E", "J5SSsT1O9gE", "dAiomIGB3qo", "lk6iJNSv-vY", "7PgJLyeb6sM", "wz0A7m1euy0"];
let currentVideoIndex = 0;
const iframe = document.getElementById("ytplayer");
const snowEffect = document.querySelector(".snow-effect");

iframe.addEventListener("load", () => {
  setTimeout(switchToNextVideo, 20000); 
});

Consigliato

Un codice di alejandrokundrah

Modello HTML per portfolio di sviluppatori full stack

Esempio di rilevamento del piano di tracciamento delle mani WebXR AR

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