diff --git a/sjplayer/src/sjplayer/ScheduledController.d b/sjplayer/src/sjplayer/ScheduledController.d
index 2d33298..b634dfc 100644
--- a/sjplayer/src/sjplayer/ScheduledController.d
+++ b/sjplayer/src/sjplayer/ScheduledController.d
@@ -11,7 +11,6 @@ import sjscript;
 import sjplayer.AbstractScheduledController,
        sjplayer.ScheduledControllerInterface,
        sjplayer.VarStoreInterface,
-       sjplayer.util.MatrixFactory,
        sjplayer.util.Parameter;
 
 ///
@@ -73,7 +72,7 @@ class ScheduledController(
       default:
     }
     static if (MatrixModificationAvailable) {
-      const value = matrix_factory_.GetValueByName(name);
+      const value = matrix_factory_.GetModelMatrixParameterValueByName(name);
       if (!value.isNull) return value;
     }
     return super.GetVariable(name);
@@ -88,7 +87,7 @@ class ScheduledController(
       default:
     }
     static if (MatrixModificationAvailable) {
-      if (param.CalculateMatrixParameter(matrix_factory_, vars)) return;
+      if (param.CalculateModelMatrixParameter(matrix_factory_, vars)) return;
     }
     super.SetParameter(param, vars);
   }
@@ -96,6 +95,6 @@ class ScheduledController(
   Target target_;
 
   static if (MatrixModificationAvailable) {
-    MatrixFactory matrix_factory_;
+    ModelMatrixFactory!3 matrix_factory_;
   }
 }
diff --git a/sjplayer/src/sjplayer/util/MatrixFactory.d b/sjplayer/src/sjplayer/util/MatrixFactory.d
deleted file mode 100644
index 49009ec..0000000
--- a/sjplayer/src/sjplayer/util/MatrixFactory.d
+++ /dev/null
@@ -1,42 +0,0 @@
-/// License: MIT
-module sjplayer.util.MatrixFactory;
-
-import std.typecons;
-
-import gl4d;
-
-///
-struct MatrixFactory {
- public:
-  ///
-  mat3 Create() const {
-    auto m = mat3.identity;
-    m.scale(scale.x, scale.y, scale.z);
-    m.rotatex(rotation.x);
-    m.rotatey(rotation.y);
-    m.rotatez(rotation.z);
-    m.translate(translation.x, translation.y, 1);
-    return m;
-  }
-
-  ///
-  Nullable!float GetValueByName(string name) const {
-    switch (name) {
-      case "scale_x":       return Nullable!float(scale.x);
-      case "scale_y":       return Nullable!float(scale.y);
-      case "rotation_x":    return Nullable!float(rotation.x);
-      case "rotation_y":    return Nullable!float(rotation.y);
-      case "rotation_z":    return Nullable!float(rotation.z);
-      case "translation_x": return Nullable!float(translation.x);
-      case "translation_y": return Nullable!float(translation.y);
-      default: return Nullable!float.init;
-    }
-  }
-
-  ///
-  vec3 scale = vec3(1, 1, 1);
-  ///
-  vec3 rotation = vec3(0, 0, 0);
-  ///
-  vec2 translation = vec2(0, 0);
-}
diff --git a/sjplayer/src/sjplayer/util/Parameter.d b/sjplayer/src/sjplayer/util/Parameter.d
index 132066a..af61138 100644
--- a/sjplayer/src/sjplayer/util/Parameter.d
+++ b/sjplayer/src/sjplayer/util/Parameter.d
@@ -1,9 +1,11 @@
 /// License: MIT
 module sjplayer.util.Parameter;
 
-import sjscript;
+import std.typecons;
 
-import sjplayer.util.MatrixFactory;
+import gl4d;
+
+import sjscript;
 
 ///
 void CalculateParameter(T)(
@@ -14,8 +16,8 @@ void CalculateParameter(T)(
 }
 
 ///
-bool CalculateMatrixParameter(T)(
-    in Parameter param, ref MatrixFactory m, T vars) {
+bool CalculateModelMatrixParameter(T)(
+    in Parameter param, ref ModelMatrixFactory!3 m, T vars) {
   switch (param.name) {
     case "translation_x":
       param.CalculateParameter(m.translation.x, vars);
@@ -44,3 +46,18 @@ bool CalculateMatrixParameter(T)(
     default: return false;
   }
 }
+
+///
+Nullable!float GetModelMatrixParameterValueByName(
+    ref in ModelMatrixFactory!3 m, string name) {
+  switch (name) {
+    case "scale_x":       return Nullable!float(m.scale.x);
+    case "scale_y":       return Nullable!float(m.scale.y);
+    case "rotation_x":    return Nullable!float(m.rotation.x);
+    case "rotation_y":    return Nullable!float(m.rotation.y);
+    case "rotation_z":    return Nullable!float(m.rotation.z);
+    case "translation_x": return Nullable!float(m.translation.x);
+    case "translation_y": return Nullable!float(m.translation.y);
+    default: return Nullable!float.init;
+  }
+}
diff --git a/src/sj/LobbyWorld.d b/src/sj/LobbyWorld.d
index 922a580..f1823e8 100644
--- a/src/sj/LobbyWorld.d
+++ b/src/sj/LobbyWorld.d
@@ -45,7 +45,7 @@ class LobbyWorld {
   ///
   mat4 view = mat4.look_at(vec3(0, 0, -1), vec3(0, 0, 0), vec3(0, 1, 0));
   ///
-  vec3 light_color = vec3(1, 1, 1, 1);
+  vec3 light_color = vec3(1, 1, 1);
   ///
   vec3 light_direction = vec3(0, 1, 0);
   ///
diff --git a/thirdparty/gl4d b/thirdparty/gl4d
index 51ad927..33883a6 160000
--- a/thirdparty/gl4d
+++ b/thirdparty/gl4d
@@ -1 +1 @@
-Subproject commit 51ad9270d58fd7cd64b494450dd447b39b21bb45
+Subproject commit 33883a68a9179cdfca72da9d0f60a88e1f385715