209 lines
No EOL
6.3 KiB
HTML
209 lines
No EOL
6.3 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</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: #0a0a1a;
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color: #ffffff;
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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: fixed;
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bottom: 10px;
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right: 10px;
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font-size: 10px;
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color: #555;
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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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// Parameters
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const params = {
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motion: 0.5,
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density: 0.5,
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complexity: 0.5,
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connectedness: 0.5,
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lifespan: 0.5,
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pulse: {
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avg: 1.1,
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min: 1.0,
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max: 1.2
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},
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tone: {
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curiosity: 0.7,
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dryness: 0.9,
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playfulness: 0.1
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}
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};
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// Node and edge properties
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const nodes = [];
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const edges = [];
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const maxNodes = 150;
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const maxEdges = 300;
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const nodeRadius = () => 2 + Math.random() * 3;
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const edgeWidth = () => 0.5 + Math.random() * 1.5;
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// Color palette
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const palette = {
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background: '#0a0a1a',
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node: '#4a7c59',
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edge: '#2a5c39',
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highlight: '#6a9c79'
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};
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// Pulse simulation
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let pulseTime = 0;
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let pulseDirection = 1;
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// Initialize nodes
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for (let i = 0; i < maxNodes; 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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radius: nodeRadius(),
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velocity: {
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x: (Math.random() - 0.5) * 2 * params.motion,
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y: (Math.random() - 0.5) * 2 * params.motion
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},
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lifespan: params.lifespan * (0.5 + Math.random() * 0.5),
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age: 0
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});
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}
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// Initialize edges
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for (let i = 0; i < maxEdges; i++) {
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const a = Math.floor(Math.random() * nodes.length);
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const b = Math.floor(Math.random() * nodes.length);
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if (a !== b) {
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edges.push({
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from: a,
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to: b,
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thickness: edgeWidth(),
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age: 0,
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maxAge: params.lifespan * (0.3 + Math.random() * 0.7)
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});
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}
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}
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// Simulation
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function update() {
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// Update pulse
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pulseTime += 0.01 * pulseDirection;
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if (pulseTime > params.pulse.max || pulseTime < params.pulse.min) {
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pulseDirection *= -1;
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}
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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.velocity.x *= -1;
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if (node.y < 0 || node.y > canvas.height) node.velocity.y *= -1;
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// Update position
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node.x += node.velocity.x;
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node.y += node.velocity.y;
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// Age node
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node.age += 0.01;
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if (node.age > node.lifespan) {
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// Respawn if lifespan is short
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node.x = Math.random() * canvas.width;
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node.y = Math.random() * canvas.height;
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node.age = 0;
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}
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});
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// Update edges
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edges.forEach(edge => {
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edge.age += 0.01;
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if (edge.age > edge.maxAge) {
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// Remove old edges
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const index = edges.indexOf(edge);
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if (index > -1) edges.splice(index, 1);
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}
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});
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// Add new edges based on connectedness
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if (Math.random() < params.connectedness * 0.02) {
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const a = Math.floor(Math.random() * nodes.length);
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const b = Math.floor(Math.random() * nodes.length);
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if (a !== b) {
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edges.push({
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from: a,
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to: b,
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thickness: edgeWidth(),
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age: 0,
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maxAge: params.lifespan * (0.3 + Math.random() * 0.7)
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});
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}
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}
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}
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// Drawing
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function draw() {
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// Clear with slight blur for motion trails
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ctx.fillStyle = palette.background;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Draw edges
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ctx.strokeStyle = palette.edge;
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ctx.lineWidth = 0.5 * pulseTime;
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edges.forEach(edge => {
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const a = nodes[edge.from];
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const b = nodes[edge.to];
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ctx.beginPath();
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ctx.moveTo(a.x, a.y);
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ctx.lineTo(b.x, b.y);
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ctx.stroke();
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});
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// Draw nodes
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ctx.fillStyle = palette.node;
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nodes.forEach(node => {
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.radius * pulseTime, 0, Math.PI * 2);
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ctx.fill();
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// Highlight based on age
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const highlight = Math.min(1, node.age / node.lifespan);
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ctx.strokeStyle = `rgba(106, 156, 121, ${highlight * 0.3})`;
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ctx.lineWidth = 1;
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.radius * pulseTime * 1.5, 0, Math.PI * 2);
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ctx.stroke();
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});
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}
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// Animation loop
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function animate() {
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update();
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draw();
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requestAnimationFrame(animate);
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}
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animate();
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</script>
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</body>
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</html> |