236 lines
No EOL
7.9 KiB
HTML
236 lines
No EOL
7.9 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 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: #0a0a0a;
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color: white;
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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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#info {
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position: absolute;
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bottom: 10px;
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left: 10px;
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font-size: 10px;
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opacity: 0.6;
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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="info">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: 0.464,
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density: 0.515,
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complexity: 0.564,
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connectedness: 0.477,
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lifespan: 0.506,
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pulse: { avg: 0.85, min: 0.30, max: 2.00 },
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tone: { anger: 0.00, sadness: 0.00, curiosity: 0.50, dryness: 0.80, playfulness: 0.10, tension: 0.00 }
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};
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class Node {
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constructor(x, y) {
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this.x = x;
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this.y = y;
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this.vx = 0;
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this.vy = 0;
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this.targetX = x;
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this.targetY = y;
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this.size = Math.random() * 2 + 1;
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this.connections = [];
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this.life = params.lifespan * 1000;
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this.energy = params.pulse.avg * 10;
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this.phase = Math.random() * Math.PI * 2;
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this.friction = 0.95;
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}
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update() {
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this.x += (this.targetX - this.x) * 0.05 * params.motion;
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this.y += (this.targetY - this.y) * 0.05 * params.motion;
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this.vx += (Math.random() - 0.5) * params.motion * 0.1;
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this.vy += (Math.random() - 0.5) * params.motion * 0.1;
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this.vx *= this.friction;
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this.vy *= this.friction;
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this.x += this.vx;
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this.y += this.vy;
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this.x = Math.max(0, Math.min(canvas.width, this.x));
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this.y = Math.max(0, Math.min(canvas.height, this.y));
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this.life--;
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this.size = Math.max(0.5, this.size * 0.99);
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if (this.energy > 0) this.energy *= 0.99;
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}
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draw() {
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const hue = 180 + Math.sin(this.phase) * 30;
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const saturation = 30 + this.energy * 0.5;
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const lightness = 60 + Math.sin(this.phase) * 10;
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const alpha = Math.min(1, this.life / 500);
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ctx.strokeStyle = `hsla(${hue}, ${saturation}%, ${lightness}%, ${alpha})`;
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ctx.lineWidth = this.size * 0.5 * (0.5 + this.energy / 20);
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ctx.beginPath();
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ctx.arc(this.x, this.y, this.size * (0.5 + this.energy / 20), 0, Math.PI * 2);
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ctx.stroke();
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ctx.fillStyle = `hsla(${hue}, ${saturation}%, ${lightness}%, ${alpha * 0.2})`;
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ctx.beginPath();
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ctx.arc(this.x, this.y, this.size * 2, 0, Math.PI * 2);
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ctx.fill();
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}
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}
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class Connection {
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constructor(nodeA, nodeB) {
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this.nodeA = nodeA;
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this.nodeB = nodeB;
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this.strength = 0.5 + Math.random() * 0.5;
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this.age = 0;
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}
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update() {
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this.age++;
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}
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draw() {
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const dx = this.nodeB.x - this.nodeA.x;
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const dy = this.nodeB.y - this.nodeA.y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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if (distance > 100) return;
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const energy = (this.nodeA.energy + this.nodeB.energy) / 20;
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const alpha = Math.min(0.8, this.age / 100) * energy;
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if (alpha <= 0) return;
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const hue = 180 + Math.sin(this.age * 0.01) * 30;
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const hue2 = hue + 60 + Math.sin(this.age * 0.02) * 20;
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const saturation = 30 + energy * 30;
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const gradient = ctx.createLinearGradient(
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this.nodeA.x, this.nodeA.y,
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this.nodeB.x, this.nodeB.y
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);
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gradient.addColorStop(0, `hsla(${hue}, ${saturation}%, 70%, ${alpha})`);
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gradient.addColorStop(0.5, `hsla(${hue2}, ${saturation}%, 60%, ${alpha * 0.7})`);
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gradient.addColorStop(1, `hsla(${hue}, ${saturation}%, 70%, ${alpha})`);
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ctx.strokeStyle = gradient;
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ctx.lineWidth = 0.5 + this.strength * 2 * (0.3 + energy);
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ctx.beginPath();
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ctx.moveTo(this.nodeA.x, this.nodeA.y);
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ctx.lineTo(this.nodeB.x, this.nodeB.y);
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ctx.stroke();
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}
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}
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const nodes = [];
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const connections = [];
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const nodeCount = Math.floor(96 + Math.random() * 20);
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function init() {
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nodes.length = 0;
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connections.length = 0;
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for (let i = 0; i < nodeCount; i++) {
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nodes.push(new Node(
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Math.random() * canvas.width,
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Math.random() * canvas.height
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));
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}
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for (let i = 0; i < nodes.length; i++) {
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for (let j = i + 1; j < Math.min(i + 10, nodes.length); j++) {
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if (Math.random() < params.connectedness * 0.8) {
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connections.push(new Connection(nodes[i], nodes[j]));
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nodes[i].connections.push(j);
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nodes[j].connections.push(i);
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}
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}
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}
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}
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function update() {
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nodes.forEach(node => node.update());
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connections.forEach(conn => conn.update());
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nodes.forEach(node => {
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node.targetX += (Math.random() - 0.5) * 100 * params.motion;
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node.targetY += (Math.random() - 0.5) * 100 * params.motion;
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});
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if (nodes.length < nodeCount && Math.random() < 0.02) {
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nodes.push(new Node(
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Math.random() * canvas.width,
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Math.random() * canvas.height
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));
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}
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if (connections.length < Math.floor(67 + Math.random() * 20) && nodes.length > 1) {
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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 && !nodes[a].connections.includes(b)) {
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connections.push(new Connection(nodes[a], nodes[b]));
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nodes[a].connections.push(b);
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nodes[b].connections.push(a);
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}
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}
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if (Math.random() < 0.05) {
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nodes.splice(Math.floor(Math.random() * nodes.length), 1);
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}
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}
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function draw() {
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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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connections.forEach(conn => conn.draw());
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nodes.forEach(node => node.draw());
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}
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let lastTime = 0;
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function animate(time) {
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const deltaTime = time - lastTime;
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lastTime = time;
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ctx.globalCompositeOperation = 'source-over';
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ctx.fillStyle = 'rgba(5, 5, 10, 0.1)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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update();
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draw();
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requestAnimationFrame(animate);
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}
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init();
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animate();
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</script>
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</body>
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</html> |