enum fgViewType {
FG_LOOKFROM = 0,
- FG_LOOKAT = 1,
+ FG_LOOKAT = 1
};
// Define a structure containing view information
enum fgScalingType { // nominal Field Of View actually applies to ...
FG_SCALING_WIDTH, // window width
- FG_SCALING_MAX, // max(width, height)
+ FG_SCALING_MAX // max(width, height)
// FG_SCALING_G_MEAN, // geometric_mean(width, height)
// FG_SCALING_INDEPENDENT // whole screen
};
// Constructor
FGViewer( fgViewType Type, bool from_model, int from_model_index,
- bool at_model, int at_model_index, double x_offset_m,
- double y_offset_m, double z_offset_m, double near_m );
+ bool at_model, int at_model_index,
+ double x_offset_m, double y_offset_m, double z_offset_m,
+ double heading_offset_deg, double pitch_offset_deg,
+ double roll_offset_deg, double fov_deg,
+ double target_x_offset_m, double target_y_offset_m,
+ double target_z_offset_m, double near_m );
// Destructor
virtual ~FGViewer( void );
virtual void init ();
virtual void bind ();
virtual void unbind ();
- void update (int dt);
+ void update (double dt);
//////////////////////////////////////////////////////////////////////
virtual double getXOffset_m () const { return _x_offset_m; }
virtual double getYOffset_m () const { return _y_offset_m; }
virtual double getZOffset_m () const { return _z_offset_m; }
+ virtual double getTargetXOffset_m () const { return _target_x_offset_m; }
+ virtual double getTargetYOffset_m () const { return _target_y_offset_m; }
+ virtual double getTargetZOffset_m () const { return _target_z_offset_m; }
virtual void setXOffset_m (double x_offset_m);
virtual void setYOffset_m (double y_offset_m);
virtual void setZOffset_m (double z_offset_m);
+ virtual void setTargetXOffset_m (double x_offset_m);
+ virtual void setTargetYOffset_m (double y_offset_m);
+ virtual void setTargetZOffset_m (double z_offset_m);
virtual void setPositionOffsets (double x_offset_m,
double y_offset_m,
double z_offset_m);
inline void set_dirty() { _dirty = true; }
inline void set_clean() { _dirty = false; }
+
+ // return eye location...
+ virtual FGLocation * getFGLocation () const { return _location; }
private:
double _target_pitch_deg;
double _target_heading_deg;
- // Position offsets from center of gravity. The X axis is positive
+ // Position offsets from FDM origin. The X axis is positive
// out the tail, Y is out the right wing, and Z is positive up.
// distance in meters
double _x_offset_m;
double _y_offset_m;
double _z_offset_m;
+ // Target offsets from FDM origin (for "lookat" targets) The X
+ // axis is positive out the tail, Y is out the right wing, and Z
+ // is positive up. distance in meters
+ double _target_x_offset_m;
+ double _target_y_offset_m;
+ double _target_z_offset_m;
+
+
// orientation offsets from reference (_goal* are for smoothed transitions)
double _roll_offset_deg;
double _pitch_offset_deg;
// sg versions of our friendly matrices
sgMat4 VIEW, UP;
- sgMat4 LOCAL, TRANS, LARC_TO_SSG;
+ sgMat4 LOCAL, ATLOCAL, TRANS, LARC_TO_SSG;
// Transformation matrix for the view direction offset relative to
// the AIRCRAFT matrix
//////////////////////////////////////////////////////////////////
void recalc ();
- void recalcPositionVectors (double lon_deg, double lat_deg, double alt_ft) const;
+ void recalcLookFrom();
+ void recalcLookAt();
+ void copyLocationData();
void updateFromModelLocation (FGLocation * location);
- void recalcOurOwnLocation (double lon_deg, double lat_deg, double alt_ft,
+ void updateAtModelLocation (FGLocation * location);
+ void recalcOurOwnLocation (FGLocation * location, double lon_deg, double lat_deg, double alt_ft,
double roll_deg, double pitch_deg, double heading_deg);
// add to _heading_offset_deg