Colin, Thanks, this appears to be a very succinct solution. Very much appreciated. Mark
On Dec 16, 2009, at 8:01 AM, Colin Holgate wrote: > > On Dec 16, 2009, at 1:21 AM, Mark Swindell wrote: > >> 40,116 >> 98,186 >> 132,118 >> >> How would one determine the angle created from three points, such as those >> above? > > > All of the suggested scripts seem quite long. Try putting this script into > three buttons. The script uses the Other Mark's way of dragging the button > around (and it doesn't hilite the button as he claims): > > on mouseDown > repeat until the mouse is up with messages > set the loc of me to the mouseLoc > wait 0 millisecs with messages > end repeat > put 180 - angler(loc of btn 1,loc of btn 2,loc of btn 3)/pi*180 > end mouseDown > function angler p1, p2, p3 > put atan2(item 2 of p2-item 2 of p1,item 1 of p2 - item 1 of p1) into angle1 > put atan2(item 2 of p3-item 2 of p2,item 1 of p3 - item 1 of p2) into angle2 > return abs(angle2-angle1) > end angler > > The bit that calculates the angle could be done in a single line: > > put 180 - (atan2(item 2 of p3-item 2 of p2,item 1 of p3 - item 1 of > p2)-atan2(item 2 of p2-item 2 of p1,item 1 of p2 - item 1 of p1))/pi*180 > > > _______________________________________________ > use-revolution mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-revolution _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
