For those who do not have LC5 or AE (ideas already suggested), here is a solution to detect whether a point is within the filled area of an oval graphic using polar geometry. It is offered as a starting point for a more compact solution.
on mouseUp --| Syntax: isWithinSegment(long ID,point) put isWithinSegment(the long id of grc "myOval",the mouseLoc) end mouseUp function isWithinSegment pGrc.obj,pLoc --| pGrc.obj is the long id of the graphic --| pLoc is a point expressed as x,y --| Returned value is "TRUE" or "FALSE" if word 1 of pGrc.obj <> "graphic" then return "" if the style of pGrc.obj <> "oval" then return "" put the startAngle of pGrc.obj into tSA put the arcAngle of pGrc.obj into tAA put the width of pGrc.obj into W put the height of pGrc.obj into H put item 1 of the loc of pGrc.obj into objX put item 2 of the loc of pGrc.obj into objY put item 1 of pLoc into pointX put item 2 of pLoc into pointY --| Get the point's relative coordinates... put pointX - objX into x put pointY - objY into y if y=0 then --| Handle the exceptions... if x>0 then put 0 into tAngle else put 180 into tAngle else put atan ((x*H)/(y*W)) into tAngle --| Convert from radians to degrees... put (tAngle * 180 / pi) into tAngle --| Adjust the angle according to the quadrant... put (tAngle MOD 180)+90 into tAngle if y>0 then add 180 to tAngle end if return (tAngle>= tSA) AND (tAngle<=tSA+tAA) end isWithinSegment Hugh Senior FLCo _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode