function gameloop(){
window.requestAnimFrame(gameloop);//setInterval,setTimeout(),fps.frame per second
var now = Date.now();
deltaTime = now - lastTime;
lastTime = now;
snow.draw();
}
我的也是形成直線,哪里搞錯了么?
window.requestAnimFrame(gameloop);//setInterval,setTimeout(),fps.frame per second
var now = Date.now();
deltaTime = now - lastTime;
lastTime = now;
snow.draw();
}
我的也是形成直線,哪里搞錯了么?
2015-11-24