Andrew,
If you mean moving an image in an arc the following will work. Create a
button with the following script, click on it, and see if this is anywhere
close to what you have in mind.
on mouseup
put 239 into YY
put 430 into XX --center of circle between start (260) and finish (600)
put 200 into RR --radius of the arc
put 5000 into NumSteps --this essentially sets the speed
put (Pi/2)*3 into StartPoint --start at the 270 degree point
repeat NumSteps
set the loc of me to XX+round(RR*sin (StartPoint)),YY+round(RR*cos
(StartPoint))
subtract (Pi/NumSteps) from Startpoint --add to go counterclockwise
end repeat
end mouseup
Nelson Zink
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