canvas-loop:canvas loopscale实用程序

画布循环 - 另一个canvas shell实用程序，建立在和之上。 对于全屏视网膜画布演示很有用。 例子： var createGL = require ( 'webgl-context' ) var createLoop = require ( 'canvas-loop' ) // get a WebGL context var gl = createGL ( ) var canvas = gl . canvas document . body . appendChild ( canvas ) // setup a retina-scaled canvas var app = createLoop ( canvas , { scale : window . devicePixelRatio } ) // start rendering app . start ( ) // o