Fixed implementation of Visitor in hierarchy of Nodes.

FrameBuffer.h

@@ -1,11 +1,35 @@
 #ifndef FRAMEBUFFER_H
 #define FRAMEBUFFER_H
 
+#include "Scene.h"
+
+
+class FrameBuffer {
 
-class FrameBuffer
-{
 public:
-    FrameBuffer();
+    FrameBuffer(uint width, uint height, bool useDepthBuffer = false);
+    ~FrameBuffer();
+
+    // bind the FrameBuffer as current to draw into
+    void bind();
+    // releases the framebuffer object
+    static void release();
+    // blit copy to another, returns true on success
+    bool blit(FrameBuffer *other);
+
+    inline uint width() const { return width_; }
+    inline uint height() const { return height_; }
+    inline uint texture() const { return textureid_; }
+    float aspectRatio() const;
+
+private:
+    void checkFramebufferStatus();
+    uint width_;
+    uint height_;
+    uint textureid_;
+    uint framebufferid_;
 };
 
-#endif // FRAMEBUFFER_H
+
+
+#endif // FRAMEBUFFER_H