Move getWorldPosition() from Widget to Node class (#978)

* Committing genbindings changes

* Move getWorldPosition() method to Node class to allow world position to be retrieved for any node.

core/2d/CCNode.cpp

@@ -1929,6 +1929,11 @@ Vec2 Node::convertTouchToNodeSpaceAR(Touch* touch) const
     return this->convertToNodeSpaceAR(point);
 }
 
+Vec2 Node::getWorldPosition() const
+{
+    return convertToWorldSpace(Vec2(_anchorPoint.x * _contentSize.width, _anchorPoint.y * _contentSize.height));
+}
+
 void Node::updateTransform()
 {
     // Recursively iterate over children

core/2d/CCNode.h

@@ -1608,6 +1608,13 @@ public:
      */
     Vec2 convertTouchToNodeSpaceAR(Touch* touch) const;
 
+    /**
+     * Gets position of widget in world space.
+     *
+     * @return Position of widget in world space.
+     */
+    Vec2 getWorldPosition() const;
+
     /**
      *  Sets an additional transform matrix to the node.
      *

core/ui/UIWidget.cpp

@@ -503,11 +503,6 @@ const Vec2& Widget::getSizePercent()
     return _sizePercent;
 }
 
-Vec2 Widget::getWorldPosition() const
-{
-    return convertToWorldSpace(Vec2(_anchorPoint.x * _contentSize.width, _anchorPoint.y * _contentSize.height));
-}
-
 Node* Widget::getVirtualRenderer()
 {
     return this;

core/ui/UIWidget.h

@@ -511,13 +511,6 @@ public:
      */
     bool isIgnoreContentAdaptWithSize() const;
 
-    /**
-     * Gets position of widget in world space.
-     *
-     * @return Position of widget in world space.
-     */
-    Vec2 getWorldPosition() const;
-
     /**
      * Gets the inner Renderer node of widget.
      *