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let grid;let numCells;let cellSize;let paused = false;const UP = 0;const LEFT = 1;const DOWN = 2;const RIGHT = 3;const dirs = [UP, LEFT, DOWN, RIGHT];let pts;let cleanupTimer = -1;let colors;let bgcol;function getRandomColorPalette() { let miradors = [ color("#020202"), color("#ff6936"), color("#fddc3f"), color("#0075ca"), color("#03bb70"), ]; let powerpuff = [ color("#201010"), color("#5dece1"), color("#ea50c4"), color("#47e752"), color("#130d0d"), ]; let butterfly = [ color("#191e36"), color("#f40104"), color("#f6c0b3"), color("#99673a"), color("#f0f1f4"), ]; let cc239 = [ color("#e0eff0"), color("#e3dd34"), color("#78496b"), color("#f0527f"), color("#a7e0e2"), ]; let matrix_palette = [ color("#020204"), color("#204829"), color("#22b455"), color("#80ce87"), color("#92e5a1"), ]; let jung_hippo = [ color("#ffffff"), color("#fe7bac"), color("#ff921e"), color("#3da8f5"), color("#7ac943"), ]; let dt02 = [color("#eee3d3"), color("#302956"), color("#f3c51a")]; let monochrome_palette = [ color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), color(random(0, 255)), ]; return random([ miradors, powerpuff, butterfly, cc239, matrix_palette, jung_hippo, dt02, monochrome_palette, ]);}function keyPressed() { if (key === "r") { cleanupTimer = 10; } if (key === " ") paused = !paused;}function setup() { createCanvas(1000, 1000); noiseDetail(8, 0.15); cellSize = 20; // 1, 5, 10, 20 numCells = int(width / cellSize); pts = []; colors = getRandomColorPalette(); //miradors; bgcol = random(colors); background(bgcol); //220); grid = []; for (let r = 0; r < numCells; r++) { grid[r] = []; for (let c = 0; c < numCells; c++) { if (r == 0 && c == 0) grid[r][c] = DOWN; else if (r == numCells - 1 && c == 0) grid[r][c] = RIGHT; else if (r == numCells - 1 && c == numCells - 1) grid[r][c] = UP; else if (r == 0 && c == numCells - 1) grid[r][c] = LEFT; else if (c == 0) grid[r][c] = DOWN; else if (r == 0) grid[r][c] = LEFT; else if (c == numCells - 1) grid[r][c] = UP; else if (r == numCells - 1) grid[r][c] = RIGHT; else { let _n = noise(c * 0.1, r * 0.1); let d; if (_n < 0.25) d = UP; else if (_n < 0.5) d = LEFT; else if (_n < 0.75) d = DOWN; else d = RIGHT; grid[r][c] = d; //random(dirs); } } } for (let i = 0; i < 500; i++) { pts.push({ r: int(random(numCells)), c: int(random(numCells)), col: color(random(0, 100)), size: cellSize, }); }}function draw() { if (!paused) { // noStroke(); noFill(); for (let i = 0; i < pts.length - 1; i++) { let p = pts[i]; p.col._array[3] = 0.2; // fill(p.col); stroke(p.col); if (cleanupTimer > 0) fill(p.col); // if (random() > 0.99) fill(p.col); //square(p.c * cellSize - cellSize/2, p.r * cellSize-cellSize/2, p.size); square(p.c * cellSize - cellSize/4, p.r * cellSize-cellSize/4, p.size); square(p.c * cellSize, p.r * cellSize, p.size); if (grid[p.r][p.c] == UP) p.r--; else if (grid[p.r][p.c] == DOWN) p.r++; else if (grid[p.r][p.c] == LEFT) p.c--; else p.c++; if (p.r < 0 || p.r > numCells - 1) p.r = int(random(numCells)); if (p.c < 0 || p.c > numCells - 1) p.c = int(random(numCells)); if (random() > 0.99) { p.r = int(random(numCells)); p.c = int(random(numCells)); } if (cleanupTimer > 0) { p.col = bgcol; //color(220); p.size *= 2; } } if (cleanupTimer > 0) cleanupTimer--; else { if (cleanupTimer == 0) { cleanupTimer = -1; for (let p of pts) { colors = getRandomColorPalette(); p.col = random(colors); p.size = cellSize; } } } if (frameCount % 300 == 0 && cleanupTimer == -1) { colors = getRandomColorPalette(); for (let p of pts) { p.col = random(colors); } } }}