Compares lng and lat instead of array value to ensure correct usage regardless of dimensions

Author: hamishdgx

lib/src/booleans/boolean_contains.dart

@@ -85,11 +85,13 @@ bool _isPolyInPoly(GeoJSONObject geom1, GeoJSONObject geom2) {
   return true;
 }
 
+/// True when [bbox1] contains [bbox2] in longitude and latitude (RFC 7946 order).
+/// Uses [BBox] getters so four- and six-number bboxes both resolve correctly.
 bool _doBBoxesOverlap(BBox bbox1, BBox bbox2) {
-  if (bbox1[0]! > bbox2[0]! ||
-      bbox1[2]! < bbox2[2]! ||
-      bbox1[1]! > bbox2[1]! ||
-      bbox1[3]! < bbox2[3]!) {
+  if (bbox1.lng1 > bbox2.lng1 ||
+      bbox1.lng2 < bbox2.lng2 ||
+      bbox1.lat1 > bbox2.lat1 ||
+      bbox1.lat2 < bbox2.lat2) {
     return false;
   }
 

lib/src/booleans/boolean_helper.dart

@@ -179,11 +179,13 @@ bool _isLineCrossingThePolygon(LineString line, GeoJSONObject polygon) {
   );
 }
 
+/// True when [bbox1] contains [bbox2] in longitude and latitude (RFC 7946 order).
+/// Uses [BBox] getters so four- and six-number bboxes both resolve correctly.
 bool _doBBoxesOverlap(BBox bbox1, BBox bbox2) {
-  if (bbox1[0]! > bbox2[0]!) return false;
-  if (bbox1[2]! < bbox2[2]!) return false;
-  if (bbox1[1]! > bbox2[1]!) return false;
-  if (bbox1[3]! < bbox2[3]!) return false;
+  if (bbox1.lng1 > bbox2.lng1) return false;
+  if (bbox1.lng2 < bbox2.lng2) return false;
+  if (bbox1.lat1 > bbox2.lat1) return false;
+  if (bbox1.lat2 < bbox2.lat2) return false;
   return true;
 }