Hi okay i read that but without the grounding in advanced calculus it meant very little to me
do you have something that is a little easier to understand? On Wed, Aug 20, 2008 at 3:25 PM, allandt bik-elliott (thefieldcomic.com) < [EMAIL PROTECTED]> wrote: > lol re-read antony's post - ignore my last question > > thanks > > > On Wed, Aug 20, 2008 at 3:22 PM, allandt bik-elliott (thefieldcomic.com) < > [EMAIL PROTECTED]> wrote: > >> hi guys >> >> thanks for the response. I've come to a similar conclusion myself. >> >> as the maps are fairly simple, i'm going to draw them in the api, saving >> the total length as i go and then follow the route with a quick 'is this >> closer to the point clicked than the last point i drew' check and save that >> total and then use the two values to create a percentage of the total >> length. >> >> if i were to adjust this to include rounded corners, how would i find out >> what the length of the curveTo was? >> >> thanks again >> a >> >> >> On Wed, Aug 20, 2008 at 2:54 PM, Anthony Pace <[EMAIL PROTECTED]>wrote: >> >>> If anyone else has a better way I would love to hear it. >>> >>> Totally curved lines? or zig-zag with corners? or both? >>> >>> Try breaking the path travelled down to points. If you can calculate the >>> distance between the last point and a new point made, you just need to sum >>> up the values. >>> example map/ path travelled. >>> >>> start >>> .___. >>> .____\. >>> |.________. >>> ._______./ >>> finish >>> >>> just sum up the distances to find the total distance travelled. >>> >>> You will need to know basic the Pythagorean theorem, to find the length >>> of a hypotenuse/distance between to points for straight lines, and if you >>> need to calculate the curves it actually depends on the type of curve, so >>> you will need to know this info. >>> >>> more info on curves...found it on google, if you don't know how to do >>> these calculations it will take you a little time to work your way through >>> the math: >>> http://www.mathwords.com/a/arc_length_of_a_curve.htm >>> >>> hope that helps, >>> Anthony >>> >>> >>> >>> >>> allandt bik-elliott (thefieldcomic.com) wrote: >>> >>>> Hi guys >>>> >>>> I have a bit of maths problem to solve here and I've not found any >>>> answers >>>> on the Googles. >>>> >>>> I have several squiggly lines (they will be maps) and I need to find >>>> out, if >>>> a user clicks somewhere on one of the lines, how far along the line >>>> they've >>>> clicked. I also need to find out how long the line would be. >>>> >>>> How would I go about doing this, please? >>>> >>>> Hope you can help >>>> A >>>> _______________________________________________ >>>> Flashcoders mailing list >>>> [email protected] >>>> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >>>> >>>> >>>> >>> >>> _______________________________________________ >>> Flashcoders mailing list >>> [email protected] >>> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >>> >> >> > _______________________________________________ Flashcoders mailing list [email protected] http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
