added [] accessor to Point

lib/mongoid_geospatial.rb

@@ -10,8 +10,6 @@
 
 fields_path = 'mongoid_geospatial/fields' + (Mongoid::VERSION > '3' ? '' : '/mongoid2')
 
-puts "fields_path: #{fields_path}"
-
 %w{point polygon line_string}.each do |type|
   require "#{fields_path}/#{type}"
 end

lib/mongoid_geospatial/extensions/rgeo_spherical_point_impl.rb

@@ -4,6 +4,10 @@ class SphericalPointImpl
       def to_a
         [x, y, z]
       end
+
+      def [] index
+        to_a[index]
+      end
     end
   end
 end

spec/functional/mongoid_geospatial_spec.rb

@@ -12,11 +12,17 @@
     bar.location.should be_a RGeo::Geographic::SphericalPointImpl
   end
 
-  it "should have a field mapped as point" do
+  it "should have a .to_a" do
     bar = Bar.create!(location: [3,2])
     bar.location.to_a[0..1].should == [3.0, 2.0]
   end
 
+  it "should have an array [] accessor" do
+    bar = Bar.create!(location: [3,2])
+    bar.location[0].should == 3.0
+  end
+
+
   it "should accept an RGeo object" do
     point = RGeo::Geographic.spherical_factory.point 1, 2
     bar = Bar.create!(location: point)