I just stumbled onto this:
In D7.02 'mod' works not only on integers but on lists of integers,
rects and points
foo = [1,2,3,4,5,6,7]
bar = [4,4,4,4,4,4,4]
put foo mod bar
-- [1, 2, 3, 0, 1, 2, 3]
a = point(23,48)
b = point(40,40)
put a mod b
-- point(23, 8)
I found this useful for wrapping a moving sprite's loc back onto the
other side of the stage:
<untested sample>
stageCorner = point(800,600)
newloc = spriteloc + locModifier
sprite(x).loc = newloc mod stageCorner
</untested sample>
If someone hits on a use for 'mod'ing rects, I'd be curious to see it.
but it doesn't work with rgb triads.
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