Let's say I got 100 birds on screen. The player must draw a line to cover x number of birds and close the line to form a loop. The loop does not have to be a circle but no part of the line shall intersect itself. It could be shaped anything, BUT the line must be closed.
Now, my actual problem is this: with this closed loop that can be shaped anything, how can I count how many birds are actually inside the loop? The birds' positions scatter randomly and they move around.
Hmmm , Very interesting question ...
It's feasible tho , but with the canvas plugin
You would draw a path and fill it with black
And in a loop :
For each Bird
If rgbat(Bird.X,Bird.Y) = (0,0,0)
-- Add 1 to birdcount
Sorry I can't help now :(
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Aha, do you know the performance of that?