line:append(x,y) stops drawing lines after repeated calls

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#1

I’m working on a doodling tool (for the mobile version of

#2

We released a game recently in which we used polylines for drawing. We did get into a bug in which it stopped appending lines also. To be honest I think appending lines wouldn’t work at all.

I noticed something though that when I drew a new line, the appends I did before to the other one would show up!

I tried doing something a bit strange that ended up working that is: Every time I append a new line segment, I also draw a new line. What is this second line for? absolutely nothing, only to trigger the drawing of the first one appends. So I even draw it off screen. I also remove it before creating a new one.

It looks something like:

line1:append(123,123)  
  
line2:removeSelf()  
line2 = newLine(...)

With this fix I am able to draw an apparently indefinitely big polyline. I was able to fill an entire iPad screen with a 2 or 3 pixel wide line. Lines were drawn every 50 ms or less. So it was made of a few hundred lines at least. No slowdowns by the way. [import]uid: 61899 topic_id: 23418 reply_id: 93953[/import]

#3

Thanks for the suggestion. I tried your suggestion and it works sometimes but not often enough to be a good workaround. [import]uid: 133481 topic_id: 23418 reply_id: 93980[/import]

#4

Well, sorry to hear that. For me it fixed everything.

I did report that bug at the time but apparently it had no fix.

Do a report yourself, as they’ll assign a higher priority to bugs reported multiple times. [import]uid: 61899 topic_id: 23418 reply_id: 94133[/import]