143 lines
No EOL
4.6 KiB
HTML
143 lines
No EOL
4.6 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 Cellular Canvas</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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display: flex;
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flex-direction: column;
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color: #fff;
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font-family: 'Courier New', monospace;
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}
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canvas {
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flex: 1;
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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: 10px;
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left: 10px;
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font-size: 10px;
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opacity: 0.5;
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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 class="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 abstract 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: { avg: 1.12, min: 0.9, max: 1.3 },
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tone: { anger: 0, sadness: 0, curiosity: 0.8, dryness: 0.9, playfulness: 0.1, tension: 0 }
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};
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// Cellular automata grid
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const gridSize = 3;
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const cols = Math.floor(canvas.width / gridSize);
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const rows = Math.floor(canvas.height / gridSize);
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let grid = new Array(cols * rows).fill(0);
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let nextGrid = new Array(cols * rows).fill(0);
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// Color palette (dryness=monochrome, curiosity=teals)
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const palette = {
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bg: '#0a0a0a',
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cell: `hsl(180, ${10 + params.tone.dryness * 40}%, ${20 + params.tone.curiosity * 30}%)`,
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active: `hsl(180, ${30 + params.tone.dryness * 30}%, ${50 + params.tone.curiosity * 20}%)`
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};
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// Initialize grid with density
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for (let i = 0; i < grid.length; i++) {
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grid[i] = Math.random() < params.density * 0.5 ? 1 : 0;
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}
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// Cellular automata rules
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function updateGrid() {
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const pulse = params.pulse.avg + (Math.random() * (params.pulse.max - params.pulse.min) - (params.pulse.max - params.pulse.min)/2);
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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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const idx = x + y * cols;
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let neighbors = 0;
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// Count neighbors (Moore neighborhood)
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for (let ny = -1; ny <= 1; ny++) {
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for (let nx = -1; nx <= 1; nx++) {
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if (nx === 0 && ny === 0) continue;
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const nidx = (x + nx + cols) % cols + ((y + ny + rows) % rows) * cols;
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neighbors += grid[nidx];
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}
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}
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// Game of Life rules with motion influence
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if (grid[idx] === 1) {
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nextGrid[idx] = (neighbors >= 2 && neighbors <= 3) ? 1 : 0;
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} else {
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nextGrid[idx] = (neighbors === 3) ? 1 : 0;
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}
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// Pulse modulation
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if (nextGrid[idx] === 1) {
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nextGrid[idx] = Math.random() < pulse ? 1 : 0;
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}
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}
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}
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// Swap grids
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[grid, nextGrid] = [nextGrid, grid];
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}
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// Drawing function
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function drawGrid() {
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ctx.fillStyle = palette.active;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = palette.cell;
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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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const idx = x + y * cols;
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if (grid[idx] === 1) {
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ctx.fillRect(x * gridSize, y * gridSize, gridSize, gridSize);
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}
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}
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}
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// Fade effect based on lifespan
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ctx.fillStyle = `rgba(10, 10, 10, ${1 - params.lifespan})`;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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}
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// Animation loop
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function animate() {
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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> |