Added some small documentation

2011-06-30 11:37:31 +00:00
parent e7a4070339
commit eca141eebc
1 changed files with 6 additions and 0 deletions
@@ -288,6 +288,9 @@ function decodeRouteGeometry(encoded, precision) {
 		do {
 			b = encoded.charCodeAt(index++) - 63;
 			result |= (b & 0x1f) << shift;
+			shift += 5;
+		} while (b >= 0x20);
+		var dlat = ((result & 1) ? ~(result >> 1) : (result >> 1));
 		lat += dlat;
 		shift = 0;
 		result = 0;
@@ -296,6 +299,9 @@ function createShortLink(str){
 			result |= (b & 0x1f) << shift;
 			shift += 5;
 		} while (b >= 0x20);
+		var dlng = ((result & 1) ? ~(result >> 1) : (result >> 1));
+		lng += dlng;
+		array.push([lat * precision, lng * precision]);
 	}
 	return array;
 }