CloudLayerUpdate.h

#pragma once
#include "Scene.h"
#include <osg/ref_ptr>
#include <osg/Geode>
#include <iostream>
#include <algorithm>

namespace osgCloudyDay
{
        class CloudLayerUpdate : public osg::NodeCallback
        {
        public:
                CloudLayerUpdate(void);
                ~CloudLayerUpdate(void);

                virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
                bool operator() (unsigned short i,unsigned short j) 
                { 
                        return (depth[i]<depth[j]);     
                };

                float* depth;           

                bool CloudAdded();
                 
                osg::ref_ptr<osg::Geometry> bb_geo;             

        private:
                unsigned int layerid;

                bool cloud_added;
                int iteration;  

                void UpdateShader(osg::ref_ptr<osg::Geode> geode);
        };      
}