Clean up of scene nodes to support 2d and non int positioning.

src/visual_elements/scene/SceneItem.cpp

@@ -0,0 +1,45 @@
+#include "SceneItem.h"
+
+SceneItem::SceneItem()
+{
+
+}
+
+const Color& SceneItem::getColor() const
+{
+    return mUniformColor;
+}
+
+const Transform& SceneItem::getTransform() const
+{
+    return mTransform;
+}
+
+bool SceneItem::isVisible() const
+{
+    return mIsVisible;
+}
+
+
+void SceneItem::setIsVisible(bool isVisible)
+{
+    mIsVisible = isVisible;
+}
+
+void SceneItem::updateUniformColor(const Color& color)
+{
+    if (mUniformColor != color)
+    {
+        mColorIsDirty = true;
+        mUniformColor = color;
+    }
+}
+
+void SceneItem::updateTransform(const Transform& transform)
+{
+    if (mTransform != transform)
+    {
+        mTransformIsDirty = true;
+        mTransform = transform;
+    }
+}