I am looking for some advise before start trying to figure out how throw away
messages .
I am currently catching touch movement events and rendering a graph within a
slider. Clearly the rendering is slowing things a bit and I am
experiencing some sluggishness. I am thinking about trying to look at the
pending messages from within the touch move handler and only processing the
last move message.
Initially I was thinking of replacing the doit command below with a send after
0 ticks command but it seems to me this would only work if the TouchMove
message is a higher priority than the doit message. For that matter checking
in the touch move handler assumes that the engine is adding touch messages to
the pending message list at a higher priority that the TouchMove handler itself.
I don't think there is any notion of priority in the message path, so I am not
sure if I am thinking about this problem correctly. Can anyone provide me
with a bit of advice on this topic.
Thanks
Mike
today:
On TouchMove tID, x, y
doit x, y
end TouchMove
On doit
-- render here
End doit
Option 1:
On TouchMove tID,x,y
look at pending messages
capture the x y of the last message
cancel all of the touch move messages
doit x,y
End TouchMove
Option 2:
On TouchMove tID, x, y
send ("doit" && x & comma & y) to me in 0 ticks
end TouchMove
On doit
look at pending messages
capture the x y of the last doit message
cancel all of the doit messages
-- render here using last x y
End doit
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