lib/terraformer/point.rb in terraformer-0.0.1 vs lib/terraformer/point.rb in terraformer-0.0.2

@@ -4,8 +4,57 @@
 
     def first_coordinate
       coordinates
     end
 
+    def distance_and_bearing_to obj
+      case obj
+      when Point
+        first_coordinate.distance_and_bearing_to obj.first_coordinate
+
+      # todo other cases
+      end
+    end
+
+    def distance_to obj
+      distance_and_bearing_to(obj)[:distance]
+    end
+
+    def initial_bearing_to obj
+      distance_and_bearing_to(obj)[:bearing][:initial]
+    end
+
+    def final_bearing_to obj
+      distance_and_bearing_to(obj)[:bearing][:final]
+    end
+
+    def contains? obj
+      case obj
+      when Point
+        self == obj
+      else
+        raise ArgumentError.new "unsupported type: #{obj.type rescue obj.class}"
+      end
+    end
+
+    def within? obj
+      case obj
+      when Point
+        self == obj
+      when MultiPoint
+        obj.coordinates.any? {|c| self.coordinates == c}
+      when LineString
+        obj.coordinates.any? {|c| self.coordinates == c}
+      when MultiLineString
+        obj.line_strings.any? {|ls| within? ls}
+      when Polygon
+        obj.contains? self
+      when MultiPolygon
+        obj.polygons.any? {|p| p.contains? self}
+      else
+        raise ArgumentError unless Geometry === obj
+      end
+    end
+
   end
 
 end