我正在学习 HTML 5 游戏编程。我遇到一个代码
var pingpong = {};
pingpong.pressedKeys = [];
$(function(){
pingpong.timer = setInterval(gameloop,30);
function gameloop() {
movePaddles();
} //end of gameloop()
}); //end of $(fn)
然后作者说
We have a timer to execute some game-related code every 30 milliseconds, so this
code is executed 33.3 times per second.
我想问一下,每秒33.3次是怎么回事?我们如何计算它?
谢谢