143 lines
No EOL
4.8 KiB
HTML
143 lines
No EOL
4.8 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>Cellular Drift</title>
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<style>
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body, html {
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margin: 0;
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padding: 0;
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overflow: hidden;
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background: #0a0a0a;
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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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position: fixed;
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top: 0;
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left: 0;
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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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left: 10px;
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color: #444;
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font-size: 10px;
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pointer-events: none;
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z-index: 100;
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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 derived from input
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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: 1.06, min: 0.9, max: 1.2 },
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tone: { anger: 0, sadness: 0, curiosity: 0.1, dryness: 0.9, playfulness: 0, tension: 0 }
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};
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// Derived settings
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const gridSize = Math.max(20, Math.floor(20 * params.density));
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const cellSize = Math.max(2, Math.floor(canvas.width / gridSize));
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const cols = Math.ceil(canvas.width / cellSize);
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const rows = Math.ceil(canvas.height / cellSize);
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// Cell states: 0=dead, 1=alive (initially random)
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const grid = Array(rows).fill().map(() => Array(cols).fill().map(() => Math.random() > 0.7 ? 1 : 0));
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const nextGrid = Array(rows).fill().map(() => Array(cols).fill(0));
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// Palette based on tone
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const palette = params.tone.dryness > 0.7 ?
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[ '#f0f0f0', '#d0d0d0', '#a0a0a0', '#707070' ] :
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[ '#e0e0e0', '#c0c0c0', '#909090', '#606060' ];
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// Animation state
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let frameCount = 0;
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const ruleSet = [1, 0, 1, 0, 0, 1, 0, 0]; // Custom rule pattern
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function updateGrid() {
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for (let y = 0; y < rows; y++) {
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for (let x = 0; x < cols; x++) {
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// Count live neighbors
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let neighbors = 0;
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for (let dy = -1; dy <= 1; dy++) {
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for (let dx = -1; dx <= 1; dx++) {
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if (dx === 0 && dy === 0) continue;
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const nx = x + dx;
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const ny = y + dy;
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if (nx >= 0 && nx < cols && ny >= 0 && ny < rows) {
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neighbors += grid[ny][nx];
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}
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}
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}
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// Apply rule
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const idx = neighbors;
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nextGrid[y][x] = ruleSet[idx] ? 1 : 0;
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// Morphing based on complexity
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if (params.complexity > 0.3 && Math.random() < params.complexity * 0.02) {
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nextGrid[y][x] = grid[y][x] ? 0 : 1;
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}
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}
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}
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// Swap grids
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[grid, nextGrid].forEach(arr => arr.forEach(row => row.fill(0)));
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grid.forEach((row, y) => row.forEach((_, x) => grid[y][x] = nextGrid[y][x]));
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}
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function drawGrid() {
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ctx.fillStyle = '#0a0a0a';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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for (let y = 0; y < rows; y++) {
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for (let x = 0; x < cols; x++) {
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if (grid[y][x]) {
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const size = cellSize * (0.3 + 0.7 * params.pulse.avg * (1 + Math.sin(frameCount * params.motion * 0.05) * 0.1));
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const colorIdx = Math.floor(params.tone.dryness * (palette.length - 1));
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ctx.fillStyle = palette[colorIdx];
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ctx.beginPath();
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ctx.arc(
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x * cellSize + cellSize/2,
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y * cellSize + cellSize/2,
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size/2,
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0,
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Math.PI * 2
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);
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ctx.fill();
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}
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}
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}
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}
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function animate() {
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frameCount++;
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updateGrid();
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drawGrid();
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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> |