Based on http://paulbourke.net/fractals/clifford/
See the source typescript.
Last active
February 2, 2016 04:47
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Clifford Attractors
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| var ITERATIONS = 10000000; | |
| var PER_FRAME = 10000; | |
| var _a = [1.7, 1.7, 1.2, 0.6], A = _a[0], B = _a[1], C = _a[2], D = _a[3]; | |
| var _b = [470, 240, 155], LEFT = _b[0], TOP = _b[1], SCALE = _b[2]; | |
| var _c = [0, 0], x = _c[0], y = _c[1]; | |
| var canvas = document.getElementById("canvas"); | |
| canvas.width = window.innerWidth; | |
| canvas.height = window.innerHeight; | |
| var context = canvas.getContext("2d"); | |
| context.fillStyle = "rgba(255,0,100,0.008)"; | |
| var getPixel = function (a, b, c, d, ox, oy) { | |
| x = Math.sin(a * oy) + c * Math.cos(a * ox); | |
| y = Math.sin(b * ox) + d * Math.cos(b * oy); | |
| return { x: x, y: y }; | |
| }; | |
| var drawPixel = function (_a) { | |
| var x = _a.x, y = _a.y; | |
| context.fillRect(LEFT + (SCALE * x), TOP + (SCALE * y), 1, 1); | |
| }; | |
| var count = 0; | |
| var doDrawing = function () { | |
| var p = (count / ITERATIONS); | |
| for (var i = 0; i < PER_FRAME; i++) { | |
| count++; | |
| drawPixel(getPixel(A, B, C, D, x, y)); | |
| } | |
| console.log(p); | |
| if (count < ITERATIONS) | |
| requestAnimationFrame(doDrawing); | |
| }; | |
| doDrawing(); |
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| const ITERATIONS = 10000000 | |
| const PER_FRAME = 10000 | |
| const [A, B, C, D] = [1.7, 1.7, 1.2, 0.6] | |
| const [LEFT, TOP, SCALE] = [470, 240, 155] | |
| let [x, y] = [0, 0] | |
| const canvas = <HTMLCanvasElement> document.getElementById("canvas") | |
| canvas.width = window.innerWidth | |
| canvas.height = window.innerHeight | |
| const context = canvas.getContext("2d") | |
| context.fillStyle = "rgba(255,0,100,0.008)" | |
| const getPixel = (a, b, c, d, ox, oy)=> { | |
| x = Math.sin(a * oy) + c * Math.cos(a * ox) | |
| y = Math.sin(b * ox) + d * Math.cos(b * oy) | |
| return {x, y} | |
| } | |
| const drawPixel = ({x, y})=> { | |
| context.fillRect(LEFT+(SCALE * x), TOP+(SCALE * y), 1, 1) | |
| } | |
| let count = 0 | |
| const doDrawing = ()=> { | |
| const p = (count / ITERATIONS) | |
| for (var i = 0; i < PER_FRAME; i++) { | |
| count++ | |
| drawPixel(getPixel(A, B, C, D, x, y)) | |
| } | |
| console.log(p) | |
| if (count < ITERATIONS) requestAnimationFrame(doDrawing) | |
| } | |
| doDrawing() |
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| <style> | |
| html, body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| </style> | |
| <canvas id="canvas"></canvas> | |
| <script src="app.js"></script> |
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