About the jerkiness on the movement...

Discussion and feedback on Construct 2

Post » Sun Nov 02, 2014 6:15 pm

Just to add to the above - I downloaded Chrome Canary. It gave a much improved performance and could be considered better than IE....

no throttle Chrome Canary.png
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Post » Sun Nov 02, 2014 6:28 pm

@Colludium

Have you tried Canary yet? I ran your test and it confirmed my subjective opinion: Canary now vsync's about as well as IE.

EDIT: Whoops...you posted right before me... :oops: :roll:

Screenshot 2014-11-02 12.13.48.png


Others:

Screenshot 2014-11-02 12.13.59.png


Screenshot 2014-11-02 12.22.43.png
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Last edited by TiAm on Sun Nov 02, 2014 6:34 pm, edited 1 time in total.
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Post » Sun Nov 02, 2014 6:32 pm

And the rest...
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Post » Sun Nov 02, 2014 6:38 pm

@TiAm, I did - I posted the results probably just before you did yours. I came to the same conclusion - problem fixed...

Here's my firefox result - slightly worse than yours!
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Post » Sun Nov 02, 2014 9:45 pm

This topic has become way too techy for my understanding! :)

I'm getting weird results from @Colludium 's test in Firefox and both Chrome 38 & Canary. Only IE 11 renders a curve that resembles the tests that you guys posted above...

Chrome 38
Image

Chrome Canary (40)
Image

Firefox 33

Image

IE 11

Image

Am I the only one that gets this? What's going on? I fear now that my PC might be the culprit for the jitter and not the browsers... For example, many members posted that the latest Canary has no jittering problems, I still get almost the same results as with normal Chrome: Every few seconds the sprites that move pause for an instant and then jump a few pixels ahead...
Last edited by eli0s on Sun Nov 02, 2014 11:27 pm, edited 1 time in total.
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Post » Sun Nov 02, 2014 10:23 pm

@eli0s, for some reason your images haven't posted (for me, at least)... If you're still having trouble with Canary, it might be worth shutting down all non-essential pc processes (anything that isn't your browser) to see if there's something else causing the momentary pauses. I found as well that having only one tab open made a big difference in normal Chrome, as well.
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Post » Sun Nov 02, 2014 11:01 pm

Does this mean anything for CocoonJS (which uses V8)? How about Crosswalk?
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Post » Sun Nov 02, 2014 11:28 pm

@Colludium , I am sorry, I just don't know how to use dropbox :( Please look again in my post above!
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Post » Mon Nov 03, 2014 1:07 am

@eli0s, those Firefox + Chrome results of yours look a bit odd for sure. It's as if the dt that was being reported in those tests was given as whole ms values (14 ms, 15 ms etc) with no scatter of fractional dt values near to those whole millisecond numbers. I would expect more of a scatter of the results like in your IE graph.

Could you post a screen shot of my first dt test (from a couple of pages back in this thread) as that test shows a side-scrolling waterfall display of each dt value? From the graphs above the other test should show pure straight lines of constant value dt readings (which I doubt).... If it does show straight lines then it supports the second test results – and that there's something unusual going on with your browsers' dt values. If it doesn't corroborate then there's something odd with the events in my 2nd demo (!)....
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Post » Mon Nov 03, 2014 1:21 am

Testing on Chrome canary 40, the jitter and stuttering is almost completely gone from movement for me. Is there a way to use this build of Chrome right now in Crosswalk or do we have to wait for the stable release and Intel add it to Crosswalk?
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