CameraNode.hh

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//=============================================================================
//
//  CLASS CameraNode
//
//=============================================================================


#ifndef ACG_CAMERAVIS_NODE_HH
#define ACG_CAMERAVIS_NODE_HH

//== INCLUDES =================================================================


#include <ACG/Scenegraph/BaseNode.hh>
#include <ACG/Scenegraph/DrawModes.hh>
#include <ACG/GL/GLPrimitives.hh>
#include <string>
#include <vector>

#include <ACG/Math/QuaternionT.hh>

#include <OpenFlipper/common/GlobalDefines.hh>

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {

//== CLASS DEFINITION =========================================================


class DLLEXPORT CameraNode: public BaseNode {

public:

    CameraNode( BaseNode* _parent = 0, std::string _name = "<CameraVis>");

    virtual ~CameraNode();

    ACG_CLASSNAME( CameraNode);

    DrawModes::DrawMode availableDrawModes() const;

    void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax);

    void draw(GLState& _state, const DrawModes::DrawMode& _drawMode);

    void pick(GLState& _state, PickTarget _target);

    void setModelView(ACG::GLMatrixd _modelView) { modelView_ = _modelView; };

    void setProjection(ACG::GLMatrixd _projection) { projection_ = _projection; };

    void setSize(int _w, int _h) { width_ = _w; height_ = _h; aspectRatio_ = (double)width_ / (double)height_; }

    void setEncodedView(QString _encodedView) { encodedView_ = _encodedView; };

    void setFarPlane(double _far) { far_ = _far; };

    void setNearPlane(double _near) { near_ = _near; };

    QString getEncodedView() { return encodedView_; };

    void showFrustum(bool _showFrustum) { showFrustum_ = _showFrustum; }

    bool showFrustum() { return showFrustum_; }

private:

    void updateBoundingBoxes(GLMatrixd& _modelview);

    OpenMesh::Vec3d bbmin_;
    OpenMesh::Vec3d bbmax_;

    ACG::GLMatrixd modelView_;
    ACG::GLMatrixd projection_;

    int width_, height_;

    double fovy_;

    double half_height_;
    double half_width_;

    double far_half_height_;
    double far_half_width_;

    double aspectRatio_;
    double near_;
    double far_;

    GLCylinder* cylinder_;
    GLCone* cone_;


    QString encodedView_;

    bool showFrustum_;
};



//=============================================================================
} // namespace SceneGraph
} // namespace ACG

//=============================================================================
#endif // ACG_CameraVis_NODE_HH
//=============================================================================