var lastTime;
lastTime = Date.now();}
var now = Date.now(); update(dt) // main loop requestAnimationFrame(main);我正在使用上面的代码在画布上构建一些动画。dt预计在0.016左右,因为这是1秒/(60帧/秒),而我的代码逻辑以某种方式基于这个期望(不一定
优秀的开发人员,我需要一点帮助来澄清为什么角2比角1更有表现力?Angular 2 is using Hierarchical Dependency Injection system which is major performance booster. As per ng-conf meetup, angular 2 is 5 times f