139 lines
No EOL
4.4 KiB
HTML
139 lines
No EOL
4.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>neurameba · motd.social</title>
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<style>
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body {
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margin: 0;
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overflow: hidden;
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background: #0a0a0a;
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color: #444;
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font-family: 'Courier New', monospace;
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}
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canvas {
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display: block;
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}
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#attribution {
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position: absolute;
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bottom: 20px;
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right: 20px;
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font-size: 10px;
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color: #333;
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pointer-events: none;
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}
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</style>
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</head>
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<body>
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<canvas id="canvas"></canvas>
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<div id="attribution">neurameba · motd.social</div>
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<script>
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const canvas = document.getElementById('canvas');
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const ctx = canvas.getContext('2d');
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function resizeCanvas() {
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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}
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window.addEventListener('resize', resizeCanvas);
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resizeCanvas();
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const nodes = [];
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const links = [];
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// Initialize based on parameters
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const nodeCount = Math.floor(150 + 50 * 1); // density 0.5 -> 200 nodes
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const motionFactor = 0.5;
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const complexityFactor = 0.5;
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const connectednessFactor = 0.5;
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// Create nodes
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for (let i = 0; i < nodeCount; i++) {
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nodes.push({
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x: Math.random() * canvas.width,
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y: Math.random() * canvas.height,
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vx: (Math.random() - 0.5) * motionFactor,
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vy: (Math.random() - 0.5) * motionFactor,
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size: 2 + Math.random() * 2 * complexityFactor,
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color: `hsl(${Math.random() * 60 + 180}, ${100 * (1 - complexityFactor)}%, 70%)`
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});
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}
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// Create links based on connectedness
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const maxLinks = nodeCount * (0.1 + 0.8 * connectednessFactor);
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for (let i = 0; i < maxLinks; i++) {
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const a = nodes[Math.floor(Math.random() * nodes.length)];
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const b = nodes[Math.floor(Math.random() * nodes.length)];
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if (a !== b) {
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links.push({
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a, b,
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strength: 0.1 + 0.9 * connectednessFactor
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});
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}
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}
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// Drawing variables
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let pulse = 1.12;
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function draw() {
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// Clear with slight fade
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ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Apply pulse effect
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pulse = pulse * 0.95 + (1.12 + (Math.random() - 0.5) * 0.15) * 0.05;
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// Update nodes
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nodes.forEach(node => {
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// Bounce off edges
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if (node.x < 0 || node.x > canvas.width) node.vx *= -1;
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if (node.y < 0 || node.y > canvas.height) node.vy *= -1;
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// Slow down over time
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node.vx *= 0.99;
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node.vy *= 0.99;
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node.x += node.vx * pulse;
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node.y += node.vy * pulse;
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});
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// Update links
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links.forEach(link => {
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const dx = link.b.x - link.a.x;
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const dy = link.b.y - link.a.y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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// Apply force
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const force = (dist > 100 ? 0.1 : 0.01) * link.strength * pulse;
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link.a.vx += dx / dist * force;
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link.a.vy += dy / dist * force;
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link.b.vx -= dx / dist * force;
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link.b.vy -= dy / dist * force;
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});
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// Draw links
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ctx.lineWidth = 0.5 + 1.5 * connectednessFactor;
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ctx.strokeStyle = 'rgba(100, 200, 255, 0.1)';
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links.forEach(link => {
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ctx.beginPath();
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ctx.moveTo(link.a.x, link.a.y);
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ctx.lineTo(link.b.x, link.b.y);
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ctx.stroke();
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});
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// Draw nodes
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nodes.forEach(node => {
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.size * (0.8 + 0.2 * Math.sin(Date.now() * 0.001)), 0, Math.PI * 2);
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ctx.fillStyle = node.color;
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ctx.fill();
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});
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requestAnimationFrame(draw);
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}
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draw();
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</script>
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</body>
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</html> |