Matrix digital rain · qwen3-coder-flash
Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.
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transcript · 2 messages
Create the Matrix digital rain effect on a full-screen black canvas: columns of falling green katakana glyphs with a trailing fade and a brighter leading character.
```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Matrix Digital Rain</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { background-color: #000; overflow: hidden; height: 100vh; display: flex; justify-content: center; align-items: center; font-family: 'Courier New', monospace; } canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } .title { position: relative; z-index: 10; color: #0f0; text-align: center; text-shadow: 0 0 10px #0f0; font-size: 2rem; letter-spacing: 0.3em; margin-bottom: 2rem; animation: pulse 2s infinite; } @keyframes pulse { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } } .instructions { position: absolute; bottom: 20px; width: 100%; text-align: center; color: #0a0; font-size: 0.9rem; z-index: 10; text-shadow: 0 0 5px #0f0; } </style> </head> <body> <div class="title">MATRIX DIGITAL RAIN</div> <canvas id="matrixCanvas"></canvas> <div class="instructions">Click anywhere to change speed | Press SPACE to pause/resume</div> <script> // Get the canvas and context const canvas = document.getElementById('matrixCanvas'); const ctx = canvas.getContext('2d'); // Set canvas to full window size canvas.width = window.innerWidth; canvas.height = window.innerHeight; // Katakana characters - will be used for the digital rain const katakana = "アァカサタナハマヤャラワガザダバパイィキシチニヒミリヰギジヂビピウゥクスツヌフムユュルグズブヅプエェケセテネヘメレヱゲゼデベペオォコソトノホモヨョロヲゴゾドボポヴッン0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const chars = katakana.split(''); // Font size and columns const fontSize = 14; const columns = Math.floor(canvas.width / fontSize); // Create an array for the y position of each column const drops = []; for (let i = 0; i < columns; i++) { drops[i] = Math.floor(Math.random() * -100); } // Speed control variables let speed = 5; let isPaused = false; // Draw function function draw() { if (isPaused) return; // Semi-transparent black overlay to create fading effect ctx.fillStyle = 'rgba(0, 0, 0, 0.05)'; ctx.fillRect(0, 0, canvas.width, canvas.height); ctx.font = `${fontSize}px 'Courier New', monospace`; for (let i = 0; i < drops.length; i++) { // Get random katakana character const text = chars[Math.floor(Math.random() * chars.length)]; // Bright character at the head ctx.fillStyle = '#0f0'; ctx.fillText(text, i * fontSize, drops[i] * fontSize); // Fade trail behind the head character ctx.fillStyle = 'rgba(0, 255, 0, 0.3)'; for (let j = 1; j < 10; j++) { if (drops[i] - j > 0) { const trailChar = chars[Math.floor(Math.random() * chars.length)]; ctx.fillText(trailChar, i * fontSize, (drops[i] - j) * fontSize); } } // Reset drop if it reaches the bottom or randomly if (drops[i] * fontSize > canvas.height && Math.random() > 0.975) { drops[i] = 0; } // Move drop down drops[i]++; } } // Animation loop function animate() { draw(); requestAnimationFrame(animate); } // Handle window resize window.addEventListener('resize', () => { canvas.width = window.innerWidth; canvas.height = window.innerHeight; }); // Handle mouse click to change speed canvas.addEventListener('click', () => { speed = Math.random() * 10 + 5; // Random speed between 5 and 15 }); // Handle spacebar to pause/resume document.addEventListener('keydown', (e) => { if (e.code === 'Space') { isPaused = !isPaused; } }); // Start animation animate(); </script> </body> </html> ```
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