215 lines
No EOL
6.9 KiB
HTML
215 lines
No EOL
6.9 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 Pulse Network</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-color: #000;
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color: #333;
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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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left: 20px;
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font-size: 12px;
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color: #555;
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z-index: 10;
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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 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: { avg: 1.05, min: 1.0, max: 1.1 },
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tone: {
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anger: 0.0,
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sadness: 0.0,
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curiosity: 0.1,
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dryness: 0.9,
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playfulness: 0.0,
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tension: 0.0
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}
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};
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// Network graph parameters
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const nodeCount = Math.floor(50 + params.density * 150);
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const edgeCount = Math.floor(nodeCount * 1.5 * params.connectedness);
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const nodes = [];
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const edges = [];
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const colors = [
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'#f0f0f0', // dryness
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'#a0a0a0', // dryness
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'#808080' // dryness
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];
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// Node class
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class Node {
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constructor() {
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this.x = Math.random() * canvas.width;
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this.y = Math.random() * canvas.height;
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this.vx = (Math.random() - 0.5) * 2 * params.motion;
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this.vy = (Math.random() - 0.5) * 2 * params.motion;
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this.fixed = Math.random() < 0.1;
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this.radius = 1 + Math.random() * 5 * params.density;
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this.lifespan = 1;
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this.age = 0;
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this.pulse = 1;
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}
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update() {
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if (!this.fixed) {
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this.x += this.vx;
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this.y += this.vy;
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// Bounce off edges
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if (this.x < 0 || this.x > canvas.width) this.vx *= -1;
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if (this.y < 0 || this.y > canvas.height) this.vy *= -1;
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}
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// Pulse effect
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this.pulse = params.pulse.avg + (Math.random() * (params.pulse.max - params.pulse.min) - (params.pulse.max - params.pulse.min)/2);
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this.radius *= this.pulse;
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// Age and fade
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this.age += 0.001;
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this.lifespan = Math.max(0, this.lifespan - 0.0001 * (1 - params.lifespan));
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}
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draw() {
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const alpha = this.lifespan * (0.5 + Math.sin(this.age * 2) * 0.3);
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const radius = this.radius * (0.8 + Math.sin(this.age * 3) * 0.2);
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ctx.beginPath();
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ctx.arc(this.x, this.y, radius, 0, Math.PI * 2);
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ctx.fillStyle = colors[0] + Math.floor(alpha * 255).toString(16).padStart(2, '0');
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ctx.fill();
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}
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}
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// Edge class
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class Edge {
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constructor(a, b) {
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this.a = a;
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this.b = b;
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this.length = Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2);
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this.strength = 0.1 + Math.random() * 0.3 * params.connectedness;
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this.age = 0;
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this.lifespan = 1;
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}
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update() {
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this.age += 0.001;
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this.lifespan = Math.max(0, this.lifespan - 0.00005 * (1 - params.lifespan));
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}
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draw() {
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const alpha = this.lifespan * 0.5;
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if (alpha <= 0) return;
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const gradient = ctx.createLinearGradient(this.a.x, this.a.y, this.b.x, this.b.y);
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gradient.addColorStop(0, colors[1] + Math.floor(alpha * 255 * this.strength).toString(16).padStart(2, '0'));
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gradient.addColorStop(1, colors[2] + Math.floor(alpha * 255 * this.strength).toString(16).padStart(2, '0'));
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ctx.beginPath();
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ctx.moveTo(this.a.x, this.a.y);
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ctx.lineTo(this.b.x, this.b.y);
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ctx.strokeStyle = gradient;
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ctx.lineWidth = 0.5 * this.strength;
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ctx.stroke();
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// Draw nodes if their edges are visible
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this.a.draw();
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this.b.draw();
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}
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}
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// Initialize nodes
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for (let i = 0; i < nodeCount; i++) {
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nodes.push(new Node());
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}
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// Create edges based on proximity
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for (let i = 0; i < nodeCount; i++) {
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for (let j = i + 1; j < nodeCount; j++) {
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const dx = nodes[i].x - nodes[j].x;
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const dy = nodes[i].y - nodes[j].y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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if (distance < 100 * params.connectedness) {
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edges.push(new Edge(nodes[i], nodes[j]));
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}
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}
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}
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// Add some fixed central nodes
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for (let i = 0; i < 3; i++) {
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const node = new Node();
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node.fixed = true;
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node.x = canvas.width / 2 + (Math.random() - 0.5) * 100;
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node.y = canvas.height / 2 + (Math.random() - 0.5) * 100;
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node.radius *= 2;
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nodes.push(node);
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}
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// Animation loop
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function animate() {
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ctx.fillStyle = '#000000';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Update and draw edges first (so nodes appear on top)
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edges.forEach(edge => {
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edge.update();
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edge.draw();
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});
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// Update and draw nodes
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nodes.forEach(node => {
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node.update();
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node.draw();
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});
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// Occasionally add new nodes and edges
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if (Math.random() < 0.01 * params.density) {
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nodes.push(new Node());
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}
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if (Math.random() < 0.02 * params.connectedness && nodes.length > 1) {
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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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edges.push(new Edge(a, b));
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}
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}
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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> |