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More glitchy graphics #1933

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nippip opened this Issue Dec 14, 2014 · 7 comments

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nippip commented Dec 14, 2014

I have a Macbook pro running 10.6.8 with 4GB and Intel Core i7
When viewing codecombat with an updated version of Chrome (ver 39.0.2121.95) the graphics are a mess in the warrior window as shown below.
The following demo works just fine although a bit slow. http://madebyevan.com/webgl-water/

screen shot 2014-12-13 at 9 03 23 pm

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nippip commented Dec 14, 2014

Here is another level
screen shot 2014-12-13 at 9 28 01 pm

@nwinter nwinter added the bug label Dec 14, 2014

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nwinter commented Dec 14, 2014

This is a rare bug that we've seen a few reports of before, but as of yet we have no way to debug it or figure out what might be going wrong. Any help figuring out where it does/doesn't happen (particular levels, particular browsers, particular browser versions, with/without extensions, etc.) would be great in narrowing it down.

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nippip commented Dec 16, 2014

I am not seeing any graphic issues running the same system as mentioned before but running the latest version of Firefox (34.0.5)

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mgorbet commented Jan 10, 2015

We are having the same problem - Chrome on a macbook pro early 2008 with OSX10.6.8.

image

On Safari on that same system, it didn't load at all. (halfway through the loading bar it hung).

Will try FF.

To me, it looks like a graphics memory access issue - the repeated tiles are other graphics memory that has been assigned wrong. Not sure why this would happen but it's a pretty low-level bug.

The gameplay works fine - it's just the display makes it impossible to play.

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nwinter commented Jan 10, 2015

So it sounds like both problems on Mac have been on 10.6.8 so far. Is it possible to try updating to a more recent OS X version that might have better graphics drivers?

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mgorbet commented Jan 10, 2015

Could be... I tried with FF - had to download the latest version.... and it worked. So that's cool for now. I spent today upgrading the Macbook pro so it is ready for a later OS (it needed more ram and a bigger disk) and my next step is to upgrade to Mavericks. I'll let you know if that solves it, in any event.

By the way, my 9 yo son LOVES the game - he went through the whole dungeon in a couple of hours this afternoon, and is thrilled to have IF statements at his disposal now. Congrats on this.

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mgorbet commented Jan 11, 2015

Yep! Updated to Mavericks and it works with Chrome now. So it seems like a 10.6.8 + Chrome issue in addressing the graphics card.

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