diff --git a/src/game-lib-color.js b/src/game-lib-color.js
index 55989fe..6a90199 100644
--- a/src/game-lib-color.js
+++ b/src/game-lib-color.js
@@ -20,6 +20,10 @@ GameLib.Color = function (
         apiColor = {};
     }
 
+    if (apiColor instanceof GameLib.Color) {
+        return apiColor;
+    }
+
     GameLib.API.Color.call(
         this,
         apiColor.r,
diff --git a/src/game-lib-d3-api-material.js b/src/game-lib-d3-api-material.js
index d09296e..b9f82da 100644
--- a/src/game-lib-d3-api-material.js
+++ b/src/game-lib-d3-api-material.js
@@ -529,51 +529,51 @@ GameLib.D3.API.Material.FromObjectMaterial = function(objectMaterial) {
     var apiSpecularMap = null;
 
     if (objectMaterial.alphaMap) {
-        apiAlphaMap = objectMaterial.alphaMap;
+        apiAlphaMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.alphaMap);
     }
 
     if (objectMaterial.aoMap) {
-        apiAoMap = objectMaterial.aoMap;
+		apiAoMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.aoMap);
     }
 
     if (objectMaterial.bumpMap) {
-        apiBumpMap = objectMaterial.bumpMap;
+		apiBumpMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.bumpMap);
     }
 
     if (objectMaterial.diffuseMap) {
-        apiDiffuseMap = objectMaterial.diffuseMap;
+		apiDiffuseMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.diffuseMap);
     }
 
     if (objectMaterial.displacementMap) {
-        apiDisplacementMap = objectMaterial.displacementMap;
+		apiDisplacementMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.displacementMap);
     }
 
     if (objectMaterial.emissiveMap) {
-        apiEmissiveMap = objectMaterial.emissiveMap;
+		apiEmissiveMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.emissiveMap);
     }
 
     if (objectMaterial.environmentMap) {
-        apiEnvironmentMap = objectMaterial.environmentMap;
+		apiEnvironmentMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.environmentMap);
     }
 
     if (objectMaterial.lightMap) {
-        apiLightMap = objectMaterial.lightMap;
+		apiLightMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.lightMap);
     }
 
     if (objectMaterial.metalnessMap) {
-        apiMetalnessMap = objectMaterial.metalnessMap;
+		apiMetalnessMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.metalnessMap);
     }
 
     if (objectMaterial.normalMap) {
-        apiNormalMap = objectMaterial.normalMap;
+		apiNormalMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.normalMap);
     }
 
     if (objectMaterial.roughnessMap) {
-        apiRoughnessMap = objectMaterial.roughnessMap;
+		apiRoughnessMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.roughnessMap);
     }
 
     if (objectMaterial.specularMap) {
-        apiSpecularMap = objectMaterial.specularMap;
+		apiSpecularMap = GameLib.D3.API.Texture.FromObjectTexture(objectMaterial.specularMap);
     }
 
     return new GameLib.D3.API.Material(
diff --git a/src/game-lib-d3-api-scene.js b/src/game-lib-d3-api-scene.js
index e9f4a04..de27230 100644
--- a/src/game-lib-d3-api-scene.js
+++ b/src/game-lib-d3-api-scene.js
@@ -106,9 +106,10 @@ GameLib.D3.API.Scene.prototype.constructor = GameLib.D3.API.Scene;
 /**
  * Returns an API scene from an Object scene
  * @param objectScene
+ * @param imageFactory GameLib.D3.ImageFactory
  * @constructor
  */
-GameLib.D3.API.Scene.FromObjectScene = function(objectScene) {
+GameLib.D3.API.Scene.FromObjectScene = function(objectScene, imageFactory) {
 
     var apiImageFactory = null;
     var apiMeshes       = [];
@@ -120,7 +121,12 @@ GameLib.D3.API.Scene.FromObjectScene = function(objectScene) {
     var apiQuaternion   = new GameLib.API.Quaternion();
     var apiScale        = new GameLib.API.Vector3(1,1,1);
 
-    if (objectScene.imageFactory) {
+	/**
+     * Passed in ImageFactory overrides API image factory
+	 */
+	if (imageFactory) {
+        apiImageFactory = imageFactory;
+    } else if (objectScene.imageFactory) {
         apiImageFactory = GameLib.D3.API.ImageFactory.FromObjectImageFactory(objectScene.imageFactory);
     }
 
diff --git a/src/game-lib-d3-api-texture.js b/src/game-lib-d3-api-texture.js
index a515942..40fd46c 100644
--- a/src/game-lib-d3-api-texture.js
+++ b/src/game-lib-d3-api-texture.js
@@ -167,6 +167,9 @@ GameLib.D3.API.Texture = function(
     this.encoding = encoding;
 };
 
+GameLib.D3.API.Texture.prototype = Object.create(GameLib.Component.prototype);
+GameLib.D3.API.Texture.prototype.constructor = GameLib.D3.API.Texture;
+
 /**
  * Creates an API texture from Object data
  * @param objectTexture
diff --git a/src/game-lib-d3-bone-weight.js b/src/game-lib-d3-bone-weight.js
index 3378288..230d7f9 100644
--- a/src/game-lib-d3-bone-weight.js
+++ b/src/game-lib-d3-bone-weight.js
@@ -15,6 +15,10 @@ GameLib.D3.BoneWeight = function (
         apiBoneWeight = {};
     }
 
+	if (apiBoneWeight instanceof GameLib.D3.BoneWeight) {
+		return apiBoneWeight;
+	}
+
     GameLib.D3.API.BoneWeight.call(
         this,
         apiBoneWeight.boneIndex,
diff --git a/src/game-lib-d3-bone.js b/src/game-lib-d3-bone.js
index 7052063..76ce071 100644
--- a/src/game-lib-d3-bone.js
+++ b/src/game-lib-d3-bone.js
@@ -15,6 +15,10 @@ GameLib.D3.Bone = function (
         apiBone = {};
     }
 
+	if (apiBone instanceof GameLib.D3.Bone) {
+		return apiBone;
+	}
+
     GameLib.D3.API.Bone.call(
         this,
         apiBone.id,
diff --git a/src/game-lib-d3-camera.js b/src/game-lib-d3-camera.js
index 87d759b..5bd6b4b 100644
--- a/src/game-lib-d3-camera.js
+++ b/src/game-lib-d3-camera.js
@@ -16,6 +16,10 @@ GameLib.D3.Camera = function(
         apiCamera = {};
     }
 
+	if (apiCamera instanceof GameLib.D3.Camera) {
+		return apiCamera;
+	}
+
     GameLib.D3.API.Camera.call(
         this,
         apiCamera.id,
diff --git a/src/game-lib-d3-composer.js b/src/game-lib-d3-composer.js
index 3caa6a2..3647727 100644
--- a/src/game-lib-d3-composer.js
+++ b/src/game-lib-d3-composer.js
@@ -13,9 +13,13 @@ GameLib.D3.Composer = function (
     this.graphics.isNotThreeThrow();
 
     if (GameLib.Utils.UndefinedOrNull(apiComposer)) {
-        apiComposer = {};
+		apiComposer = {};
     }
 
+	if (apiComposer instanceof GameLib.D3.Composer) {
+		return apiComposer;
+	}
+
     GameLib.D3.API.Composer.call(
         this,
         apiComposer.id,
diff --git a/src/game-lib-d3-custom-code.js b/src/game-lib-d3-custom-code.js
index c4bf130..7881aa5 100644
--- a/src/game-lib-d3-custom-code.js
+++ b/src/game-lib-d3-custom-code.js
@@ -11,6 +11,10 @@ GameLib.D3.CustomCode = function(
         apiCustomCode = {};
     }
 
+	if (apiCustomCode instanceof GameLib.D3.CustomCode) {
+		return apiCustomCode;
+	}
+
     GameLib.D3.API.CustomCode.call(
         this,
         apiCustomCode.id,
diff --git a/src/game-lib-d3-editor.js b/src/game-lib-d3-editor.js
index 924f396..c70d5df 100644
--- a/src/game-lib-d3-editor.js
+++ b/src/game-lib-d3-editor.js
@@ -22,6 +22,10 @@ GameLib.D3.Editor = function(
         apiEditor = {};
     }
 
+	if (apiEditor instanceof GameLib.D3.Editor) {
+		return apiEditor;
+	}
+
     GameLib.D3.API.Editor.call(
         this,
         apiEditor.id,
@@ -471,3 +475,24 @@ GameLib.D3.Editor.prototype.setSize = function(width, height) {
         }
     );
 };
+
+/**
+ * Adds a scene to the Editor
+ * @param scene GameLib.D3.API.Scene
+ */
+GameLib.D3.Editor.prototype.addScene = function(scene) {
+
+    if (scene instanceof GameLib.D3.Scene) {
+        this.scenes.push(scene);
+        this.buildIdToObject();
+        return;
+    }
+
+    if (scene instanceof GameLib.D3.API.Scene) {
+        scene = new GameLib.D3.Scene(this.graphics, scene);
+		this.scenes.push(scene);
+		this.buildIdToObject();
+	}
+
+	throw new Error('Unhandled scene type : ' + scene);
+};
\ No newline at end of file
diff --git a/src/game-lib-d3-follow.js b/src/game-lib-d3-follow.js
index f2d9b00..32cb4e0 100644
--- a/src/game-lib-d3-follow.js
+++ b/src/game-lib-d3-follow.js
@@ -15,6 +15,10 @@ GameLib.D3.Follow = function (
         apiFollow = {};
     }
 
+	if (apiFollow instanceof GameLib.D3.Follow) {
+		return apiFollow;
+	}
+
     GameLib.D3.API.Follow.call(
         this,
         apiFollow.id,
diff --git a/src/game-lib-d3-game.js b/src/game-lib-d3-game.js
index ac04532..b267ba6 100644
--- a/src/game-lib-d3-game.js
+++ b/src/game-lib-d3-game.js
@@ -16,6 +16,10 @@ GameLib.D3.Game = function (
         apiGame = {};
     }
 
+	if (apiGame instanceof GameLib.D3.Game) {
+		return apiGame;
+	}
+
     GameLib.D3.API.Game.call(
         this,
 		apiGame.id,
diff --git a/src/game-lib-d3-image-factory.js b/src/game-lib-d3-image-factory.js
index 913b042..094abff 100644
--- a/src/game-lib-d3-image-factory.js
+++ b/src/game-lib-d3-image-factory.js
@@ -1,9 +1,9 @@
 /**
  * The image factory takes care that we only make requests for Image URLs which we have not already started downloading
- * @param graphics GameLib.D3.Graphics
- * @param apiImageFactory GameLib.D3.API.ImageFactory
+ * @param graphics
+ * @param apiImageFactory
  * @param progressCallback
- * @returns {Function}
+ * @returns {GameLib.D3.ImageFactory}
  * @constructor
  */
 GameLib.D3.ImageFactory = function (
@@ -18,6 +18,10 @@ GameLib.D3.ImageFactory = function (
         apiImageFactory = {};
     }
 
+	if (apiImageFactory instanceof GameLib.D3.ImageFactory) {
+		return apiImageFactory;
+	}
+
     if (GameLib.Utils.UndefinedOrNull(progressCallback)) {
         progressCallback = null;
     }
diff --git a/src/game-lib-d3-image.js b/src/game-lib-d3-image.js
index a92543f..b164654 100644
--- a/src/game-lib-d3-image.js
+++ b/src/game-lib-d3-image.js
@@ -21,12 +21,12 @@ GameLib.D3.Image = function(
 
     this.filename = filename;
 
-    if (typeof size == 'undefined') {
+    if (GameLib.Utils.UndefinedOrNull(size)) {
         size = 0;
     }
     this.size = size;
 
-    if (typeof contentType == 'undefined') {
+    if (GameLib.Utils.UndefinedOrNull(contentType)) {
 
         contentType = 'application/octet-stream';
 
diff --git a/src/game-lib-d3-input-drive.js b/src/game-lib-d3-input-drive.js
index 87bfb96..60a05fc 100644
--- a/src/game-lib-d3-input-drive.js
+++ b/src/game-lib-d3-input-drive.js
@@ -18,6 +18,10 @@ GameLib.D3.Input.Drive = function (
         apiInputDrive = {};
     }
 
+	if (apiInputDrive instanceof GameLib.D3.Drive) {
+		return apiInputDrive;
+	}
+
     GameLib.D3.API.Input.Drive.call(
         this,
         apiInputDrive.id,
diff --git a/src/game-lib-d3-input-editor.js b/src/game-lib-d3-input-editor.js
index 291dfbf..46bda52 100644
--- a/src/game-lib-d3-input-editor.js
+++ b/src/game-lib-d3-input-editor.js
@@ -16,6 +16,10 @@ GameLib.D3.Input.Editor = function (
         apiInputEditor = {};
     }
 
+	if (apiInputEditor instanceof GameLib.D3.Input.Editor) {
+		return apiInputEditor;
+	}
+
     GameLib.D3.API.Input.Editor.call(
         this,
         apiInputEditor.id,
diff --git a/src/game-lib-d3-light.js b/src/game-lib-d3-light.js
index a1f97ee..ac3b875 100644
--- a/src/game-lib-d3-light.js
+++ b/src/game-lib-d3-light.js
@@ -15,6 +15,10 @@ GameLib.D3.Light = function Light(
         apiLight = {};
     }
 
+	if (apiLight instanceof GameLib.D3.Light) {
+		return apiLight;
+	}
+
     GameLib.D3.API.Light.call(
         this,
         apiLight.id,
@@ -96,8 +100,8 @@ GameLib.D3.Light.prototype.createInstance = function(update) {
     if (!instance) {
 
         if (
-            this.lightType == GameLib.D3.Light.LIGHT_TYPE_AMBIENT ||
-            this.lightType == 'AmbientLight'
+            this.lightType === GameLib.D3.Light.LIGHT_TYPE_AMBIENT ||
+            this.lightType === 'AmbientLight'
         ) {
             instance = new THREE.AmbientLight(
                 this.color.instance,
@@ -106,8 +110,8 @@ GameLib.D3.Light.prototype.createInstance = function(update) {
         }
 
         if (
-            this.lightType == GameLib.D3.Light.LIGHT_TYPE_DIRECTIONAL ||
-            this.lightType == 'DirectionalLight'
+            this.lightType === GameLib.D3.Light.LIGHT_TYPE_DIRECTIONAL ||
+            this.lightType === 'DirectionalLight'
         ) {
             instance = new THREE.DirectionalLight(
                 this.color.instance,
@@ -116,8 +120,8 @@ GameLib.D3.Light.prototype.createInstance = function(update) {
         }
 
         if (
-            this.lightType == GameLib.D3.Light.LIGHT_TYPE_POINT ||
-            this.lightType == 'PointLight'
+            this.lightType === GameLib.D3.Light.LIGHT_TYPE_POINT ||
+            this.lightType === 'PointLight'
         ) {
             instance = new THREE.PointLight(
                 this.color.instance,
@@ -128,8 +132,8 @@ GameLib.D3.Light.prototype.createInstance = function(update) {
         }
 
         if (
-            this.lightType == GameLib.D3.Light.LIGHT_TYPE_SPOT ||
-            this.lightType == 'SpotLight'
+            this.lightType === GameLib.D3.Light.LIGHT_TYPE_SPOT ||
+            this.lightType === 'SpotLight'
         ) {
             instance = new THREE.SpotLight(
                 this.color.instance,
diff --git a/src/game-lib-d3-look-at.js b/src/game-lib-d3-look-at.js
index 0acb04d..9aaacdb 100644
--- a/src/game-lib-d3-look-at.js
+++ b/src/game-lib-d3-look-at.js
@@ -15,6 +15,10 @@ GameLib.D3.LookAt = function (
         apiLookAt = {};
     }
 
+	if (apiLookAt instanceof GameLib.D3.LookAt) {
+		return apiLookAt;
+	}
+
     GameLib.D3.API.LookAt.call(
         this,
         apiLookAt.id,
diff --git a/src/game-lib-d3-material.js b/src/game-lib-d3-material.js
index 1bea64b..22a6902 100644
--- a/src/game-lib-d3-material.js
+++ b/src/game-lib-d3-material.js
@@ -7,7 +7,7 @@
  * @constructor
  * @returns {GameLib.D3.Material | GameLib.D3.API.Material}
  */
-GameLib.D3.Material = function Material(
+GameLib.D3.Material = function(
     graphics,
     apiMaterial,
     imageFactory
@@ -20,6 +20,10 @@ GameLib.D3.Material = function Material(
         apiMaterial = {};
     }
 
+	if (apiMaterial instanceof GameLib.D3.Material) {
+		return apiMaterial;
+	}
+
     if (GameLib.Utils.UndefinedOrNull(imageFactory)) {
         console.warn('Cannot create a Material fully without specifying an ImageFactory');
         imageFactory = null;
diff --git a/src/game-lib-d3-mesh.js b/src/game-lib-d3-mesh.js
index a6bf2e2..6e86d28 100644
--- a/src/game-lib-d3-mesh.js
+++ b/src/game-lib-d3-mesh.js
@@ -19,6 +19,10 @@ GameLib.D3.Mesh = function (
         apiMesh = {};
     }
 
+	if (apiMesh instanceof GameLib.D3.Mesh) {
+		return apiMesh;
+	}
+
     if (GameLib.Utils.UndefinedOrNull(computeNormals)) {
         computeNormals = true;
     }
diff --git a/src/game-lib-d3-pass.js b/src/game-lib-d3-pass.js
index 9e084b6..2771cd8 100644
--- a/src/game-lib-d3-pass.js
+++ b/src/game-lib-d3-pass.js
@@ -16,6 +16,10 @@ GameLib.D3.Pass = function (
         apiPass = {};
     }
 
+	if (apiPass instanceof GameLib.D3.Pass) {
+		return apiPass;
+	}
+
     GameLib.D3.API.Pass.call(
         this,
         apiPass.id,
diff --git a/src/game-lib-d3-path-following.js b/src/game-lib-d3-path-following.js
index 224b1c7..a53f692 100644
--- a/src/game-lib-d3-path-following.js
+++ b/src/game-lib-d3-path-following.js
@@ -16,6 +16,10 @@ GameLib.D3.PathFollowing = function (
         apiPathFollowing = {};
     }
 
+	if (apiPathFollowing instanceof GameLib.D3.PathFollowing) {
+		return apiPathFollowing;
+	}
+
     GameLib.D3.API.PathFollowing.call(
         this,
 		apiPathFollowing.id,
diff --git a/src/game-lib-d3-raycaster.js b/src/game-lib-d3-raycaster.js
index 4fe3ebb..97fe8a9 100644
--- a/src/game-lib-d3-raycaster.js
+++ b/src/game-lib-d3-raycaster.js
@@ -16,6 +16,10 @@ GameLib.D3.Raycaster = function(
         apiRaycaster = {};
     }
 
+	if (apiRaycaster instanceof GameLib.D3.Raycaster) {
+		return apiRaycaster;
+	}
+
     GameLib.D3.API.Raycaster.call(
         this,
         apiRaycaster.id,
diff --git a/src/game-lib-d3-render-target.js b/src/game-lib-d3-render-target.js
index 8d95d75..b2c1dff 100644
--- a/src/game-lib-d3-render-target.js
+++ b/src/game-lib-d3-render-target.js
@@ -16,6 +16,10 @@ GameLib.D3.RenderTarget = function (
         apiRenderTarget = {};
     }
 
+	if (apiRenderTarget instanceof GameLib.D3.RenderTarget) {
+		return apiRenderTarget;
+	}
+
     GameLib.D3.API.RenderTarget.call(
         this,
         apiRenderTarget.id,
diff --git a/src/game-lib-d3-renderer.js b/src/game-lib-d3-renderer.js
index 7ba823c..544c03f 100644
--- a/src/game-lib-d3-renderer.js
+++ b/src/game-lib-d3-renderer.js
@@ -16,6 +16,10 @@ GameLib.D3.Renderer = function (
         apiRenderer = {};
     }
 
+	if (apiRenderer instanceof GameLib.D3.Renderer) {
+		return apiRenderer;
+	}
+
     GameLib.D3.API.Renderer.call(
         this,
         apiRenderer.id,
diff --git a/src/game-lib-d3-scene.js b/src/game-lib-d3-scene.js
index 48c6733..05bb935 100644
--- a/src/game-lib-d3-scene.js
+++ b/src/game-lib-d3-scene.js
@@ -3,7 +3,6 @@
  * created
  * @param graphics
  * @param apiScene GameLib.D3.API.Scene
- * @param imageFactory
  * @param computeNormals
  * @constructor
  */
@@ -19,6 +18,10 @@ GameLib.D3.Scene = function (
         apiScene = {};
     }
 
+	if (apiScene instanceof GameLib.D3.Scene) {
+		return apiScene;
+	}
+
     if (GameLib.Utils.UndefinedOrNull(computeNormals)) {
         computeNormals = true;
     }
@@ -253,15 +256,17 @@ GameLib.D3.Scene.prototype.toApiScene = function() {
  * @param graphics GameLib.D3.Graphics
  * @param objectScene Object
  * @param computeNormals boolean to indicate whether or not to recalculate normals
+ * @param imageFactory GameLib.D3.ImageFactory
  * @returns {GameLib.D3.Scene}
  * @constructor
  */
 GameLib.D3.Scene.FromObjectScene = function(
     graphics,
     objectScene,
-    computeNormals
+    computeNormals,
+    imageFactory
 ) {
-    var apiScene = GameLib.D3.API.Scene.FromObjectScene(objectScene);
+    var apiScene = GameLib.D3.API.Scene.FromObjectScene(objectScene, imageFactory);
 
     return new GameLib.D3.Scene(
         graphics,
@@ -276,18 +281,21 @@ GameLib.D3.Scene.FromObjectScene = function(
  * @param objectScene Object (as it comes from the API)
  * @param computeNormals
  * @param onLoaded
+ * @param imageFactory GameLib.D3.ImageFactory
  * @constructor
  */
 GameLib.D3.Scene.LoadScene = function(
     graphics,
     objectScene,
     computeNormals,
-    onLoaded
+    onLoaded,
+    imageFactory
 ) {
     var scene = GameLib.D3.Scene.FromObjectScene(
         graphics,
         objectScene,
-        computeNormals
+        computeNormals,
+        imageFactory
     );
 
     onLoaded(scene);
diff --git a/src/game-lib-d3-skeleton.js b/src/game-lib-d3-skeleton.js
index 43c7203..9d7b79e 100644
--- a/src/game-lib-d3-skeleton.js
+++ b/src/game-lib-d3-skeleton.js
@@ -15,6 +15,10 @@ GameLib.D3.Skeleton = function Skeleton(
         apiSkeleton = {};
     }
 
+	if (apiSkeleton instanceof GameLib.D3.Skeleton) {
+		return apiSkeleton;
+	}
+
     GameLib.D3.API.Skeleton.call(
         this,
         apiSkeleton.id,
diff --git a/src/game-lib-d3-spline.js b/src/game-lib-d3-spline.js
index ea6c272..370f1af 100644
--- a/src/game-lib-d3-spline.js
+++ b/src/game-lib-d3-spline.js
@@ -15,6 +15,10 @@ GameLib.D3.Spline = function (
         apiSpline = {};
     }
 
+	if (apiSpline instanceof GameLib.D3.Spline) {
+		return apiSpline;
+	}
+
     GameLib.D3.API.Spline.call(
         this,
         apiSpline.id,
diff --git a/src/game-lib-d3-texture.js b/src/game-lib-d3-texture.js
index 7793077..ed06daa 100644
--- a/src/game-lib-d3-texture.js
+++ b/src/game-lib-d3-texture.js
@@ -6,7 +6,7 @@
  * @param imageFactory GameLib.D3.ImageFactory
  * @constructor
  */
-GameLib.D3.Texture = function Texture(
+GameLib.D3.Texture = function(
     graphics,
     apiTexture,
     imageFactory
@@ -18,6 +18,10 @@ GameLib.D3.Texture = function Texture(
         apiTexture = {};
     }
 
+	if (apiTexture instanceof GameLib.D3.Texture) {
+		return apiTexture;
+	}
+
     if (GameLib.Utils.UndefinedOrNull(imageFactory)) {
         console.warn('Cannot create a Texture without specifying an ImageFactory');
         imageFactory = null;
diff --git a/src/game-lib-d3-vertex.js b/src/game-lib-d3-vertex.js
index 27a62f8..5531df4 100644
--- a/src/game-lib-d3-vertex.js
+++ b/src/game-lib-d3-vertex.js
@@ -15,7 +15,11 @@ GameLib.D3.Vertex = function Vertex(
         apiVertex = {};
     }
 
-    GameLib.D3.API.Vertex.call(
+	if (apiVertex instanceof GameLib.D3.Vertex) {
+		return apiVertex;
+	}
+
+	GameLib.D3.API.Vertex.call(
         this,
         apiVertex.position,
         apiVertex.boneWeights
diff --git a/src/game-lib-d3-viewport.js b/src/game-lib-d3-viewport.js
index 1c67502..322299d 100644
--- a/src/game-lib-d3-viewport.js
+++ b/src/game-lib-d3-viewport.js
@@ -2,7 +2,6 @@
  * Viewport Runtime
  * @param graphics GameLib.D3.Graphics
  * @param apiViewport GameLib.D3.API.Viewport
- * @param imageFactory GameLib.D3.ImageFactory
  * @constructor
  */
 GameLib.D3.Viewport = function (
@@ -17,6 +16,10 @@ GameLib.D3.Viewport = function (
         apiViewport = {};
     }
 
+	if (apiViewport instanceof GameLib.D3.Viewport) {
+		return apiViewport;
+	}
+
     GameLib.D3.API.Viewport.call(
         this,
   		apiViewport.id,
diff --git a/src/game-lib-dom-element.js b/src/game-lib-dom-element.js
index 78abac4..2450efc 100644
--- a/src/game-lib-dom-element.js
+++ b/src/game-lib-dom-element.js
@@ -5,6 +5,10 @@
  */
 GameLib.DomElement = function (apiDomElement) {
 
+	if (apiDomElement instanceof GameLib.DomElement) {
+		return apiDomElement;
+	}
+
     GameLib.API.DomElement.call(
         this,
         apiDomElement.id,
diff --git a/src/game-lib-entity-manager.js b/src/game-lib-entity-manager.js
index 815edfb..b998c2e 100644
--- a/src/game-lib-entity-manager.js
+++ b/src/game-lib-entity-manager.js
@@ -16,6 +16,10 @@ GameLib.EntityManager = function(
         apiEntityManager = {};
     }
 
+	if (apiEntityManager instanceof GameLib.EntityManager) {
+		return apiEntityManager;
+	}
+
     GameLib.API.EntityManager.call(
         this,
         apiEntityManager.id,
diff --git a/src/game-lib-entity.js b/src/game-lib-entity.js
index a5a243f..a1a1766 100644
--- a/src/game-lib-entity.js
+++ b/src/game-lib-entity.js
@@ -16,6 +16,10 @@ GameLib.Entity = function (
         apiEntity = {};
     }
 
+	if (apiEntity instanceof GameLib.Entity) {
+		return apiEntity;
+	}
+
     GameLib.API.Entity.call(
         this,
         apiEntity.id,
diff --git a/src/game-lib-matrix-4.js b/src/game-lib-matrix-4.js
index 46fb2be..0f79786 100644
--- a/src/game-lib-matrix-4.js
+++ b/src/game-lib-matrix-4.js
@@ -20,6 +20,10 @@ GameLib.Matrix4 = function(
         apiMatrix4 = {};
     }
 
+	if (apiMatrix4 instanceof GameLib.Matrix4) {
+		return apiMatrix4;
+	}
+
     GameLib.API.Matrix4.call(
         this,
         apiMatrix4.rows[0],
diff --git a/src/game-lib-mouse.js b/src/game-lib-mouse.js
index 87a2e8d..9c94176 100644
--- a/src/game-lib-mouse.js
+++ b/src/game-lib-mouse.js
@@ -13,6 +13,10 @@ GameLib.Mouse = function (graphics, apiMouse) {
         apiMouse = {};
     }
 
+	if (apiMouse instanceof GameLib.Mouse) {
+		return apiMouse;
+	}
+
     GameLib.API.Mouse.call(
         this,
         apiMouse.id,
diff --git a/src/game-lib-quaternion.js b/src/game-lib-quaternion.js
index 823307d..9b98e21 100644
--- a/src/game-lib-quaternion.js
+++ b/src/game-lib-quaternion.js
@@ -19,6 +19,10 @@ GameLib.Quaternion = function (
         apiQuaternion = {};
     }
 
+	if (apiQuaternion instanceof GameLib.Quaternion) {
+		return apiQuaternion;
+	}
+
     GameLib.API.Quaternion.call(
         this,
         apiQuaternion.x,
diff --git a/src/game-lib-system.js b/src/game-lib-system.js
index 5608ad5..2168fe3 100644
--- a/src/game-lib-system.js
+++ b/src/game-lib-system.js
@@ -16,6 +16,10 @@ GameLib.System = function(
         apiSystem = {};
     }
 
+	if (apiSystem instanceof GameLib.System) {
+		return apiSystem;
+	}
+
     GameLib.API.System.call(
 		this,
 		apiSystem.id,
diff --git a/src/game-lib-vector2.js b/src/game-lib-vector2.js
index da8e7f7..91649a1 100644
--- a/src/game-lib-vector2.js
+++ b/src/game-lib-vector2.js
@@ -19,6 +19,10 @@ GameLib.Vector2 = function (
         apiVector2 = {};
     }
 
+	if (apiVector2 instanceof GameLib.Vector2) {
+		return apiVector2;
+	}
+
     GameLib.API.Vector2.call(
         this,
         apiVector2.x,
diff --git a/src/game-lib-vector3.js b/src/game-lib-vector3.js
index 9e48636..a15f865 100644
--- a/src/game-lib-vector3.js
+++ b/src/game-lib-vector3.js
@@ -19,6 +19,10 @@ GameLib.Vector3 = function (
         apiVector3 = {};
     }
 
+	if (apiVector3 instanceof GameLib.Vector3) {
+		return apiVector3;
+	}
+
     GameLib.API.Vector3.call(
         this,
         apiVector3.x,
diff --git a/src/game-lib-vector4.js b/src/game-lib-vector4.js
index 654b921..0377623 100644
--- a/src/game-lib-vector4.js
+++ b/src/game-lib-vector4.js
@@ -20,7 +20,11 @@ GameLib.Vector4 = function (
         apiVector4 = {};
     }
 
-    GameLib.API.Vector4.call(
+	if (apiVector4 instanceof GameLib.Vector4) {
+		return apiVector4;
+	}
+
+	GameLib.API.Vector4.call(
         this,
         apiVector4.x,
         apiVector4.y,
diff --git a/src/game-lib-z.js b/src/game-lib-z.js
index f586a6c..771958c 100644
--- a/src/game-lib-z.js
+++ b/src/game-lib-z.js
@@ -1,9 +1,3 @@
-
-
-
-
-
-
 if (typeof module !== 'undefined') {
     module.exports = GameLib;
 }
\ No newline at end of file