made with esnextbin
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February 2, 2016 07:40
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>ESNext Bin Sketch</title> | |
| <!-- put additional styles and scripts here --> | |
| </head> | |
| <body> | |
| <!-- put markup and other contents here --> | |
| </body> | |
| </html> |
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| // Generated Wallpaper | |
| // click to pause / resume | |
| const canvas = document.createElement('canvas'); | |
| canvas.style.width = canvas.style.height = "100%"; | |
| const size = 100; | |
| canvas.width = canvas.height = size; | |
| document.body.appendChild(canvas); | |
| const ctx = canvas.getContext('2d'); | |
| ctx.translate(-1, -1); // get rid of blurry inner edge | |
| let plot = { | |
| red(i, j) { | |
| ctx.fillStyle = "#FF0000"; | |
| this.draw(i, j); | |
| }, | |
| black(i, j) { | |
| ctx.fillStyle = "#000000"; | |
| this.draw(i, j); | |
| }, | |
| pink(i, j) { | |
| ctx.fillStyle = "#ff00a9"; | |
| this.draw(i, j); | |
| }, | |
| purp(i, j) { | |
| ctx.fillStyle = "#551A8B"; | |
| this.draw(i, j); | |
| }, | |
| draw(i, j) { | |
| ctx.fillRect(i, j, 1, 1); | |
| } | |
| } | |
| let drawWallpaper = (cornA, cornB, side) => { | |
| ctx.clearRect(0, 0, canvas.width, canvas.height); | |
| for (let i = 1; i <= size; i += 1) { | |
| for (let j = 1; j <= size; j += 1) { | |
| let x = cornA + i * side / size; | |
| let y = cornB + j * side / size; | |
| let c = parseInt(x ** 2 + y ** 2, 10); | |
| if (c % 4 === 0) { | |
| plot.black(i, j); | |
| } else if (c % 4 === 1) { | |
| plot.purp(i, j); | |
| } else if (c % 4 === 2) { | |
| plot.red(i, j); | |
| } else { | |
| plot.pink(i, j); | |
| } | |
| } | |
| } | |
| } | |
| class Timer { | |
| constructor(callback, delay) { | |
| this.id = null; | |
| this.start = null; | |
| this.remaining = delay; | |
| this.callback = callback; | |
| this.resume(); | |
| } | |
| pause() { | |
| this.running = false; | |
| clearTimeout(this.id); | |
| this.remaining -= new Date() - this.start; | |
| } | |
| resume() { | |
| this.running = true; | |
| this.start = new Date(); | |
| clearTimeout(this.id); | |
| this.id = setTimeout(this.callback, this.remaining) | |
| } | |
| toggle() { | |
| this.running ? this.pause() : this.resume(); | |
| } | |
| } | |
| let timeout = null; | |
| let a = 10; | |
| let b = 10; | |
| let c = 10; | |
| let looper = () => { | |
| timeout = new Timer(() => { | |
| c += 0.2; | |
| drawWallpaper(a, b, c); | |
| looper(); | |
| }, 100); | |
| } | |
| canvas.addEventListener('click', (event) => { | |
| if (timeout) { | |
| timeout.toggle(); | |
| } | |
| }); | |
| looper(); |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "babel-runtime": "6.3.19" | |
| } | |
| } |
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| 'use strict'; | |
| var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck'); | |
| var _classCallCheck3 = _interopRequireDefault(_classCallCheck2); | |
| var _createClass2 = require('babel-runtime/helpers/createClass'); | |
| var _createClass3 = _interopRequireDefault(_createClass2); | |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
| // Generated Wallpaper | |
| // click to pause / resume | |
| var canvas = document.createElement('canvas'); | |
| canvas.style.width = canvas.style.height = "100%"; | |
| var size = 100; | |
| canvas.width = canvas.height = size; | |
| document.body.appendChild(canvas); | |
| var ctx = canvas.getContext('2d'); | |
| ctx.translate(-1, -1); // get rid of blurry inner edge | |
| var plot = { | |
| red: function red(i, j) { | |
| ctx.fillStyle = "#FF0000"; | |
| this.draw(i, j); | |
| }, | |
| black: function black(i, j) { | |
| ctx.fillStyle = "#000000"; | |
| this.draw(i, j); | |
| }, | |
| pink: function pink(i, j) { | |
| ctx.fillStyle = "#ff00a9"; | |
| this.draw(i, j); | |
| }, | |
| purp: function purp(i, j) { | |
| ctx.fillStyle = "#551A8B"; | |
| this.draw(i, j); | |
| }, | |
| draw: function draw(i, j) { | |
| ctx.fillRect(i, j, 1, 1); | |
| } | |
| }; | |
| var drawWallpaper = function drawWallpaper(cornA, cornB, side) { | |
| ctx.clearRect(0, 0, canvas.width, canvas.height); | |
| for (var i = 1; i <= size; i += 1) { | |
| for (var j = 1; j <= size; j += 1) { | |
| var x = cornA + i * side / size; | |
| var y = cornB + j * side / size; | |
| var _c = parseInt(Math.pow(x, 2) + Math.pow(y, 2), 10); | |
| if (_c % 4 === 0) { | |
| plot.black(i, j); | |
| } else if (_c % 4 === 1) { | |
| plot.purp(i, j); | |
| } else if (_c % 4 === 2) { | |
| plot.red(i, j); | |
| } else { | |
| plot.pink(i, j); | |
| } | |
| } | |
| } | |
| }; | |
| var Timer = (function () { | |
| function Timer(callback, delay) { | |
| (0, _classCallCheck3.default)(this, Timer); | |
| this.id = null; | |
| this.start = null; | |
| this.remaining = delay; | |
| this.callback = callback; | |
| this.resume(); | |
| } | |
| (0, _createClass3.default)(Timer, [{ | |
| key: 'pause', | |
| value: function pause() { | |
| this.running = false; | |
| clearTimeout(this.id); | |
| this.remaining -= new Date() - this.start; | |
| } | |
| }, { | |
| key: 'resume', | |
| value: function resume() { | |
| this.running = true; | |
| this.start = new Date(); | |
| clearTimeout(this.id); | |
| this.id = setTimeout(this.callback, this.remaining); | |
| } | |
| }, { | |
| key: 'toggle', | |
| value: function toggle() { | |
| this.running ? this.pause() : this.resume(); | |
| } | |
| }]); | |
| return Timer; | |
| })(); | |
| var timeout = null; | |
| var a = 10; | |
| var b = 10; | |
| var c = 10; | |
| var looper = function looper() { | |
| timeout = new Timer(function () { | |
| c += 0.2; | |
| drawWallpaper(a, b, c); | |
| looper(); | |
| }, 100); | |
| }; | |
| canvas.addEventListener('click', function (event) { | |
| if (timeout) { | |
| timeout.toggle(); | |
| } | |
| }); | |
| looper(); |
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