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#ifndef COMPONENTS_TERRAIN_HEIGHTCULL_H
#define COMPONENTS_TERRAIN_HEIGHTCULL_H
#include <osg/Referenced>
#include <limits>
#include <components/sceneutil/nodecallback.hpp>
namespace osg
{
class Node;
class NodeVisitor;
}
namespace Terrain
{
class HeightCullCallback : public SceneUtil::NodeCallback<HeightCullCallback>
{
public:
void setLowZ(float z) { mLowZ = z; }
float getLowZ() const { return mLowZ; }
void setHighZ(float highZ) { mHighZ = highZ; }
float getHighZ() const { return mHighZ; }
void setCullMask(unsigned int mask) { mMask = mask; }
unsigned int getCullMask() const { return mMask; }
void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
if (mLowZ <= mHighZ)
traverse(node, nv);
}
private:
float mLowZ{ -std::numeric_limits<float>::max() };
float mHighZ{ std::numeric_limits<float>::max() };
unsigned int mMask{ ~0u };
};
}
#endif
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