made with requirebin
Created
January 9, 2015 17:18
-
-
Save hugozap/5fa6f70c7a54fc7dd1b7 to your computer and use it in GitHub Desktop.
requirebin sketch
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// example using the raf module from npm. try changing some values! | |
var requestAnimationFrame = require("raf") | |
var canvas = document.createElement("canvas") | |
canvas.width = 500 | |
canvas.height = 500 | |
document.body.appendChild(canvas) | |
var context = canvas.getContext("2d") | |
var zoom = 10 | |
requestAnimationFrame(function onFrame(delta) { | |
zoom += delta * 0.0001 | |
context.clearRect (0, 0, 500, 500) | |
context.beginPath() | |
context.arc(256 - zoom / Math.sqrt(2), 256 - zoom / Math.sqrt(2), zoom, 0, 2 * Math.PI, false) | |
context.closePath() | |
context.lineWidth = 5 | |
context.strokeStyle = '#003300' | |
context.stroke() | |
requestAnimationFrame(onFrame); | |
}) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")}},{}],2:[function(require,module,exports){(function(process){(function(){var getNanoSeconds,hrtime,loadTime;if(typeof performance!=="undefined"&&performance!==null&&performance.now){module.exports=function(){return performance.now()}}else if(typeof process!=="undefined"&&process!==null&&process.hrtime){module.exports=function(){return(getNanoSeconds()-loadTime)/1e6};hrtime=process.hrtime;getNanoSeconds=function(){var hr;hr=hrtime();return hr[0]*1e9+hr[1]};loadTime=getNanoSeconds()}else if(Date.now){module.exports=function(){return Date.now()-loadTime};loadTime=Date.now()}else{module.exports=function(){return(new Date).getTime()-loadTime};loadTime=(new Date).getTime()}}).call(this)}).call(this,require("_process"))},{_process:1}],raf:[function(require,module,exports){var now=require("performance-now"),global=typeof window==="undefined"?{}:window,vendors=["moz","webkit"],suffix="AnimationFrame",raf=global["request"+suffix],caf=global["cancel"+suffix]||global["cancelRequest"+suffix],isNative=true;for(var i=0;i<vendors.length&&!raf;i++){raf=global[vendors[i]+"Request"+suffix];caf=global[vendors[i]+"Cancel"+suffix]||global[vendors[i]+"CancelRequest"+suffix]}if(!raf||!caf){isNative=false;var last=0,id=0,queue=[],frameDuration=1e3/60;raf=function(callback){if(queue.length===0){var _now=now(),next=Math.max(0,frameDuration-(_now-last));last=next+_now;setTimeout(function(){var cp=queue.slice(0);queue.length=0;for(var i=0;i<cp.length;i++){if(!cp[i].cancelled){try{cp[i].callback(last)}catch(e){setTimeout(function(){throw e},0)}}}},Math.round(next))}queue.push({handle:++id,callback:callback,cancelled:false});return id};caf=function(handle){for(var i=0;i<queue.length;i++){if(queue[i].handle===handle){queue[i].cancelled=true}}}}module.exports=function(fn){if(!isNative){return raf.call(global,fn)}return raf.call(global,function(){try{fn.apply(this,arguments)}catch(e){setTimeout(function(){throw e},0)}})};module.exports.cancel=function(){caf.apply(global,arguments)}},{"performance-now":2}]},{},[]);var requestAnimationFrame=require("raf");var canvas=document.createElement("canvas");canvas.width=500;canvas.height=500;document.body.appendChild(canvas);var context=canvas.getContext("2d");var zoom=10;requestAnimationFrame(function onFrame(delta){zoom+=delta*1e-4;context.clearRect(0,0,500,500);context.beginPath();context.arc(256-zoom/Math.sqrt(2),256-zoom/Math.sqrt(2),zoom,0,2*Math.PI,false);context.closePath();context.lineWidth=5;context.strokeStyle="#003300";context.stroke();requestAnimationFrame(onFrame)}); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"name": "requirebin-sketch", | |
"version": "1.0.0", | |
"dependencies": { | |
"raf": "2.0.4" | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<style type='text/css'>html, body { margin: 0; padding: 0; border: 0; } | |
body, html { height: 100%; width: 100%; }</style> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment