D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/Billboard.hpp

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#ifndef Billboard_INCLUDE_ONCE
#define Billboard_INCLUDE_ONCE

#include <vlCore/Transform.hpp>
#include <vlGraphics/link_config.hpp>

namespace vl
{
  //-----------------------------------------------------------------------------
  // Billboard
  //-----------------------------------------------------------------------------
  class VLGRAPHICS_EXPORT Billboard: public Transform
  {
  public:
    Billboard();
    virtual const char* className() { return "vl::Billboard"; }
    void setPosition(const vec3& pos);
    void setPosition(Real x, Real y, Real z) { setPosition( vec3(x,y,z) ); }
    vec3 position();
    void setAxis(const vec3& axis) { mAxis = axis; mAxis.normalize(); }
    const vec3& axis() const { return mAxis; }
    void setNormal(const vec3& normal) { mNormal = normal; mNormal.normalize(); }
    const vec3& normal() const { return mNormal; }
    virtual void computeWorldMatrix(Camera* camera=NULL);
    EBillboardType type() const { return mType; }
    void setType(EBillboardType type) { mType = type; }

  protected:
    vec3 mAxis;
    vec3 mNormal;
    EBillboardType mType;
  };
  //-----------------------------------------------------------------------------
}

#endif