Guys and gals,
I am working on something that requires a person be able to click in an area
and create a hot area. Here is a link to you can understand
(http://ov.informationexperts.com/test.htm)
The problem that i have is how do I sort a multidimensional array so that if
a person clicks on four or more points that it makes a square or polygon and
not an 8. To better illustrate what I am talking about, go to the link
above and click in the grey box (in firefox with firebug you will get
messeges logged there, on pc you will get a list form below it) and you will
see points and its coordinates like [[75, 42], [257, 51], [71, 258], [323,
84], [329, 233]] (firebug). Those points makes don't make a correct box, so
how should I sort it to make it a box. Below is the latest attempt to
figure out how to sort it with no luck.
[code]
function mysortfn(a,b) {
$.log("Comparing "+a+" and "+b);
if (a[0]+a[1]<b[0]+b[1]) return -1;
if (a[0]+a[1]>b[0]+b[1]) return 1;
return 0;
}
[/code]
any help is greatly appreciated.
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