diff --git a/src/yaml/objectParser.cc b/src/yaml/objectParser.cc
index 30d5e4e..ec2c365 100644
--- a/src/yaml/objectParser.cc
+++ b/src/yaml/objectParser.cc
@@ -13,7 +13,7 @@
 #include "material.h"
 #include "object_sphere.h"
 #include "yaml/objectParser.hh"
-#include "yaml/vector_parser.hh"
+#include "yaml/vectorParser.hh"
 
 
 namespace yaml {
@@ -79,20 +79,16 @@ ObjectParser::HandleColorEvent(yaml_event_t& event)
         return;
     }
 
-    auto onDone = [this](std::vector<double> color) {
-        if (color.size() < 3) {
-            assert(color.size() < 3);
-        }
+    auto onDone = [this](Color color) {
         if (!mObject->get_material()) {
             mObject->set_material(new Material());
         }
-        mObject->get_material()->set_diffuse_color(Color(color[0], color[1], color[2]));
-
+        mObject->get_material()->set_diffuse_color(color);
         mSection = NoSection;
         SetShouldExpectKey(true);
     };
 
-    GetParsers().push(new VectorParser<double>(GetScene(), GetParsers(), onDone));
+    GetParsers().push(new ColorParser(GetScene(), GetParsers(), onDone));
 }
 
 
@@ -105,17 +101,13 @@ ObjectParser::HandleOriginEvent(yaml_event_t& event)
         return;
     }
 
-    auto onDone = [this](std::vector<double> origin) {
-        if (origin.size() < 3) {
-            assert(origin.size() < 3);
-        }
-        mObject->set_origin(Vector3(origin[0], origin[1], origin[2]));
-
+    auto onDone = [this](Vector3 origin) {
+        mObject->set_origin(origin);
         mSection = NoSection;
         SetShouldExpectKey(true);
     };
 
-    GetParsers().push(new VectorParser<double>(GetScene(), GetParsers(), onDone));
+    GetParsers().push(new Vector3Parser(GetScene(), GetParsers(), onDone));
 }
 
 
diff --git a/src/yaml/parsers.hh b/src/yaml/parsers.hh
index 204dafa..2f3b759 100644
--- a/src/yaml/parsers.hh
+++ b/src/yaml/parsers.hh
@@ -80,6 +80,12 @@ struct UtilityParser
 {
     typedef std::function<void (T)> CallbackFunction;
 
+    UtilityParser(Scene& scene,
+                  ParserStack& parsers)
+        : Parser(scene, parsers),
+          mCallback()
+    { }
+
     UtilityParser(Scene& scene,
                   ParserStack& parsers,
                   CallbackFunction callback)
@@ -94,7 +100,15 @@ struct UtilityParser
     void
     Notify(T value)
     {
-        mCallback(value);
+        if (mCallback) {
+            mCallback(value);
+        }
+    }
+
+    void
+    SetCallback(CallbackFunction callback)
+    {
+        mCallback = callback;
     }
 
 private:
diff --git a/src/yaml/sceneParser.cc b/src/yaml/sceneParser.cc
index 2855a18..5ed7e0f 100644
--- a/src/yaml/sceneParser.cc
+++ b/src/yaml/sceneParser.cc
@@ -11,7 +11,7 @@
 
 #include "objectParser.hh"
 #include "sceneParser.hh"
-#include "vector_parser.hh"
+#include "vectorParser.hh"
 
 
 namespace yaml {
@@ -82,7 +82,8 @@ SceneParser::HandleDimensionsEvent(yaml_event_t& event)
 
     switch (event.type) {
         case YAML_SEQUENCE_START_EVENT:
-            GetParsers().push(new VectorParser<int>(GetScene(), GetParsers(), onDone));
+            GetParsers().push(new ScalarSequenceParser<int>(GetScene(), GetParsers(),
+                                                            onDone));
             break;
         default:
             /* TODO: Fail gracefully. */