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Sfondo animato Matrix
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Consigliato
16 October 2025
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Frammento di caricamento animato CSS
HTML
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Matrix Background
CSS
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body { margin: 0; padding: 0; background: black; overflow: hidden; } canvas { display: block; }
JS
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const canvas = document.getElementById('matrixCanvas'); const ctx = canvas.getContext('2d'); canvas.width = window.innerWidth; canvas.height = window.innerHeight; const katakana = 'アイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワヲン'; const latin = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; const nums = '0123456789'; const alphabet = katakana + latin + nums; const fontSize = 16; const columns = canvas.width / fontSize; const rainDrops = []; for (let x = 0; x < columns; x++) { rainDrops[x] = 1; } const draw = () => { ctx.fillStyle = 'rgba(0, 0, 0, 0.05)'; ctx.fillRect(0, 0, canvas.width, canvas.height); ctx.fillStyle = '#0F0'; ctx.font = fontSize + 'px monospace'; for (let i = 0; i < rainDrops.length; i++) { const text = alphabet.charAt(Math.floor(Math.random() * alphabet.length)); ctx.fillText(text, i * fontSize, rainDrops[i] * fontSize); if (rainDrops[i] * fontSize > canvas.height && Math.random() > 0.975) { rainDrops[i] = 0; } rainDrops[i]++; } }; setInterval(draw, 50); window.addEventListener('resize', () => { canvas.width = window.innerWidth; canvas.height = window.innerHeight; });