animation is not smooth canvas

问题

i have made this example

http://jsfiddle.net/mikulgohil/yc6Lb/

but the issue is that animation is not smooth
can you help me to make it smooth

回答1:

To make animations smooth you need to use requestAnimationFrame() API.

http://paulirish.com/2011/requestanimationframe-for-smart-animating/

来源：https://stackoverflow.com/questions/7857741/animation-is-not-smooth-canvas