I think because the LFs allow you place single points (dots) on the card that simulate the appearance of paint. Spaces in the point list of a polygon allow you to create discontinuous segments/lines. Without the LFs, you would wind up with a messy close polygon.
Regards, Scott Rossi Creative Director Tactile Media, UX Design Recently, tbodine wrote: > Hope you don't mind a LC newbie coder question. In the code below, why does > the graphic need a linefeed (LF constant)? Or does LF have some other > meaning? > Thanks, > Tom Bodine > > > John Craig-4 wrote: >> >> Here's a simple example using a graphic. Just create a new >> stack, add a line graphic called 'draw', set it's lineSize to 10 then >> put the following script into the card script. Double click clears the >> drawing, and each mouseDown starts a new line. >> >> >> local sDrawing >> >> >> on mouseDoubleUp >> set the points of grc "draw" to empty >> end mouseDoubleUp >> >> >> on mouseDown >> put true into sDrawing >> end mouseDown >> >> >> on mouseMove >> if sDrawing then >> set the points of grc "draw" to the points of grc "draw" & LF & >> the mouseLoc >> end if >> end mouseMove >> >> >> on mouseUp >> put false into sDrawing >> set the points of grc "draw" to the points of grc "draw" & LF & LF >> end mouseUp >> >> > > > -- > View this message in context: > http://runtime-revolution.278305.n4.nabble.com/Brush-Tool-in-iOS-tp3804474p388 > 0386.html > Sent from the Revolution - User mailing list archive at Nabble.com. > > _______________________________________________ > 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 > _______________________________________________ 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