made with esnextbin
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June 7, 2016 16:40
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esnextbin sketch
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<!doctype html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>ESNextbin Sketch</title> | |
<!-- put additional styles and scripts here --> | |
</head> | |
<body> | |
<!-- put markup and other contents here --> | |
<canvas width=500 height=500></canvas> | |
<pre></pre> | |
</body> | |
</html> |
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// write ES2015 code and import modules from npm | |
// and then press "Execute" to run your program | |
import BezierEasing from 'bezier-easing'; | |
const TWO_PI = 2 * Math.PI; | |
const h = 500; | |
const w = 500; | |
const center = {x: 250, y: 250} | |
const canvas = document.querySelector("canvas"); | |
const pre = document.querySelector("pre"); | |
const ctx = canvas.getContext("2d"); | |
ctx.beginPath(); | |
ctx.strokeStyle = 'lightgray'; | |
ctx.moveTo(0, h * 0.5); | |
ctx.lineTo(w, h * 0.5); | |
ctx.stroke(); | |
ctx.moveTo(w * 0.5, 0); | |
ctx.lineTo(w * 0.5, h); | |
ctx.stroke(); | |
ctx.translate(center.x, center.y); | |
function log(...args) { | |
pre.innerText = pre.innerText + `${args}\n`; | |
} | |
function drawPoint(x, y) { | |
ctx.save(); | |
ctx.beginPath(); | |
ctx.arc(x, y, 2, TWO_PI, false); | |
log(x, y); | |
ctx.fillStyle = 'red'; | |
ctx.fill(); | |
ctx.restore(); | |
} | |
const xCurve = BezierEasing(0.5, Math.random(), Math.random(), Math.random()); | |
const yCurve = BezierEasing(0.5, Math.random(), Math.random(), Math.random()); | |
for(var i = 0; i <= 1; i += 0.1) { | |
drawPoint(xCurve(i) * w, yCurve(i) * h); | |
} |
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{ | |
"name": "esnextbin-sketch", | |
"version": "0.0.0", | |
"dependencies": { | |
"bezier-easing": "2.0.3" | |
} | |
} |
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"use strict"; | |
var _bezierEasing = require("bezier-easing"); | |
var _bezierEasing2 = _interopRequireDefault(_bezierEasing); | |
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
var TWO_PI = 2 * Math.PI; // write ES2015 code and import modules from npm | |
// and then press "Execute" to run your program | |
var h = 500; | |
var w = 500; | |
var center = { x: 250, y: 250 }; | |
var canvas = document.querySelector("canvas"); | |
var pre = document.querySelector("pre"); | |
var ctx = canvas.getContext("2d"); | |
ctx.beginPath(); | |
ctx.strokeStyle = 'lightgray'; | |
ctx.moveTo(0, h * 0.5); | |
ctx.lineTo(w, h * 0.5); | |
ctx.stroke(); | |
ctx.moveTo(w * 0.5, 0); | |
ctx.lineTo(w * 0.5, h); | |
ctx.stroke(); | |
ctx.translate(center.x, center.y); | |
function log() { | |
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { | |
args[_key] = arguments[_key]; | |
} | |
pre.innerText = pre.innerText + (args + "\n"); | |
} | |
function drawPoint(x, y) { | |
ctx.save(); | |
ctx.beginPath(); | |
ctx.arc(x, y, 2, TWO_PI, false); | |
log(x, y); | |
ctx.fillStyle = 'red'; | |
ctx.fill(); | |
ctx.restore(); | |
} | |
var xCurve = (0, _bezierEasing2.default)(0.5, Math.random(), Math.random(), Math.random()); | |
var yCurve = (0, _bezierEasing2.default)(0.5, Math.random(), Math.random(), Math.random()); | |
for (var i = 0; i <= 1; i += 0.1) { | |
drawPoint(xCurve(i) * w, yCurve(i) * h); | |
} |
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