diff --git a/src/alternativa/engine3d/animation/AnimationController.as b/src/alternativa/engine3d/animation/AnimationController.as
index be49a78..ae4b683 100644
--- a/src/alternativa/engine3d/animation/AnimationController.as
+++ b/src/alternativa/engine3d/animation/AnimationController.as
@@ -105,7 +105,7 @@ package alternativa.engine3d.animation
       {
          if(object in this.name_oX)
          {
-            ++this.name_oX[object];
+            this.name_oX[object]++;
          }
          else
          {
diff --git a/src/alternativa/engine3d/core/Camera3D.as b/src/alternativa/engine3d/core/Camera3D.as
index 279e21f..33c8619 100644
--- a/src/alternativa/engine3d/core/Camera3D.as
+++ b/src/alternativa/engine3d/core/Camera3D.as
@@ -82,7 +82,7 @@ package alternativa.engine3d.core
       
       private var debugSet:Object = new Object();
       
-      private var _diagram:Sprite = this.createDiagram();
+      private var _diagram:Sprite = createDiagram();
       
       public var fpsUpdatePeriod:int = 10;
       
diff --git a/src/alternativa/engine3d/loaders/ParserCollada.as b/src/alternativa/engine3d/loaders/ParserCollada.as
index c9be8df..64bbbad 100644
--- a/src/alternativa/engine3d/loaders/ParserCollada.as
+++ b/src/alternativa/engine3d/loaders/ParserCollada.as
@@ -141,7 +141,7 @@ package alternativa.engine3d.loaders
       private function addObjects(animatedObjects:Vector.<DaeObject>, parent:Object3D, layer:String) : Object3D
       {
          var first:Object3D = this.addObject(animatedObjects[0],parent,layer);
-         for(var i:int = 1,var count:int = int(animatedObjects.length); i < count; i++)
+         for(var i:int = 1, count:int = int(animatedObjects.length); i < count; i++)
          {
             this.addObject(animatedObjects[i],parent,layer);
          }
diff --git a/src/alternativa/engine3d/loaders/collada/DaeInstanceController.as b/src/alternativa/engine3d/loaders/collada/DaeInstanceController.as
index c642863..0683db3 100644
--- a/src/alternativa/engine3d/loaders/collada/DaeInstanceController.as
+++ b/src/alternativa/engine3d/loaders/collada/DaeInstanceController.as
@@ -44,7 +44,7 @@ package alternativa.engine3d.loaders.collada
             {
                if(Boolean(parents[parent]))
                {
-                  ++parents[parent];
+                  parents[parent]++;
                }
                else
                {
diff --git a/src/alternativa/engine3d/objects/WireFrame.as b/src/alternativa/engine3d/objects/WireFrame.as
index 01ca6d0..bdaba6d 100644
--- a/src/alternativa/engine3d/objects/WireFrame.as
+++ b/src/alternativa/engine3d/objects/WireFrame.as
@@ -69,7 +69,7 @@ package alternativa.engine3d.objects
          var p1:Vector3D = null;
          var result:WireFrame = new WireFrame(color,alpha,thickness);
          var geometry:WireGeometry = result.alternativa3d::geometry;
-         for(var i:uint = 0,var count:uint = points.length - 1; i < count; i += 2)
+         for(var i:uint = 0, count:uint = points.length - 1; i < count; i += 2)
          {
             p0 = points[i];
             p1 = points[i + 1];
@@ -85,7 +85,7 @@ package alternativa.engine3d.objects
          var p1:Vector3D = null;
          var result:WireFrame = new WireFrame(color,alpha,thickness);
          var geometry:WireGeometry = result.alternativa3d::geometry;
-         for(var i:uint = 0,var count:uint = points.length - 1; i < count; i++)
+         for(var i:uint = 0, count:uint = points.length - 1; i < count; i++)
          {
             p0 = points[i];
             p1 = points[i + 1];
diff --git a/src/alternativa/engine3d/resources/Geometry.as b/src/alternativa/engine3d/resources/Geometry.as
index c7a4d7d..c171f11 100644
--- a/src/alternativa/engine3d/resources/Geometry.as
+++ b/src/alternativa/engine3d/resources/Geometry.as
@@ -444,7 +444,7 @@ package alternativa.engine3d.resources
          {
             throw new ArgumentError("index is out of bounds");
          }
-         for(var i:int = int(indexBegin),var count:int = indexBegin + numTriangles * 3; i < count; )
+         for(var i:int = int(indexBegin), count:int = indexBegin + numTriangles * 3; i < count; )
          {
             indexA = this.indices[i];
             indexB = this.indices[int(i + 1)];