Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.java.programmer > #13960

Re: JOutlookBar

Show all headers | View raw

markspace於 2012年4月28日星期六UTC+8上午3時33分00秒寫道：
> On 4/27/2012 10:11 AM, Daniel Pitts wrote:
> 
> > On 4/26/12 8:17 PM, Peter Cheung wrote:
> >> I already set it to 1ms, but it still runs slowly.
> >>
> >> So the animation is not smooth.
> 
> 
> > You're timer simply calls draw. Also, 1ms is really too fast, and will
> > cause more harm than good. You should aim for closer to 30hz->60hz. Try
> > around 33ms timer.
> 
> 
> I happen to know a little about animation (graphics is a personal hobby 
> of mine).  The gold standard in animation is 25 frames per second, or 40 
> ms in between frames.
> 
> However, as a practical matter, much lower frames rates are acceptable. 
>   Some cheaper animation, like some of the early so-called 
> "japanimation," used as little as 4 or 6 frames per second in parts of 
> their work.
> 
> I'd start at 250 ms.  1 ms will clearly overwhelm any normal desktop 
> system with too much work.  Get 250 ms working, then see if it can be 
> improved.
> 
> 
> > Ideally, the "work" for your animation should be done in the timer
> > handler too (so that your state changes on the timer, not just a redraw).
> 
> 
> This.
> 
> Peter, what I've looked at in your code base is pretty bad.  Most of it 
> is really ugly generated code.  Nothing has comments.  There's no test 
> harness that I saw.  You need to slow down and write some code by hand, 
> try to understand what is really going on.  One good class is better 
> than 100 cruddy classes, and it is certainly my impression that the 
> latter is what you have.

I changed to use Runnable, animation become smooth now. 
I use Jigloo plugins to generate UI code, I am happy with that plugin and its generated code, so I would like to stay with it. thanks

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-26 15:29 -0700
  Re: JOutlookBar Lew <lewbloch@gmail.com> - 2012-04-26 16:19 -0700
    Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-26 20:17 -0700
      Re: JOutlookBar Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-04-27 10:11 -0700
        Re: JOutlookBar markspace <-@.> - 2012-04-27 12:33 -0700
          Re: JOutlookBar Lew <lewbloch@gmail.com> - 2012-04-27 13:51 -0700
            Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-28 03:10 -0700
              Re: JOutlookBar Arne Vajhøj <arne@vajhoej.dk> - 2012-04-28 18:03 -0400
          Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-28 03:06 -0700
            Re: JOutlookBar Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-04-28 15:06 -0700
              Re: JOutlookBar Lew <noone@lewscanon.com> - 2012-04-28 21:08 -0700
                Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-29 00:13 -0700
                Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-29 00:31 -0700
                Re: JOutlookBar Lew <noone@lewscanon.com> - 2012-04-29 01:56 -0700
                Re: JOutlookBar Peter Cheung <cmk128@gmail.com> - 2012-04-29 07:37 -0700
                Re: JOutlookBar Patricia Shanahan <pats@acm.org> - 2012-04-29 07:51 -0700
                Re: JOutlookBar Lew <noone@lewscanon.com> - 2012-04-29 12:01 -0700
                Re: JOutlookBar Arne Vajhøj <arne@vajhoej.dk> - 2012-05-05 19:53 -0400

csiph-web