Removed obsolete files.
This commit is contained in:
david
parent
c032f841e2
commit
b52123b88b
4 changed files with 0 additions and 552 deletions
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// viewer_lookat.hxx -- class for managing a "look at" viewer in
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// the flightgear world.
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//
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// Written by Curtis Olson, started October 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <simgear/compiler.h>
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <plib/ssg.h> // plib include
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#include <simgear/constants.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/math/point3d.hxx>
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#include <simgear/math/polar3d.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/math/vector.hxx>
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#include <Scenery/scenery.hxx>
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#include "globals.hxx"
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#include "viewer_lookat.hxx"
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// Constructor
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FGViewerLookAt::FGViewerLookAt( void )
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{
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set_reverse_view_offset(true);
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}
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void fgMakeLookAtMat4 ( sgMat4 dst, const sgVec3 eye, const sgVec3 center,
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const sgVec3 up )
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{
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// Caveats:
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// 1) In order to compute the line of sight, the eye point must not be equal
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// to the center point.
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// 2) The up vector must not be parallel to the line of sight from the eye
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// to the center point.
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/* Compute the direction vectors */
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sgVec3 x,y,z;
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/* Y vector = center - eye */
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sgSubVec3 ( y, center, eye ) ;
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/* Z vector = up */
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sgCopyVec3 ( z, up ) ;
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/* X vector = Y cross Z */
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sgVectorProductVec3 ( x, y, z ) ;
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/* Recompute Z = X cross Y */
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sgVectorProductVec3 ( z, x, y ) ;
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/* Normalize everything */
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sgNormaliseVec3 ( x ) ;
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sgNormaliseVec3 ( y ) ;
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sgNormaliseVec3 ( z ) ;
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/* Build the matrix */
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#define M(row,col) dst[row][col]
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M(0,0) = x[0]; M(0,1) = x[1]; M(0,2) = x[2]; M(0,3) = 0.0;
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M(1,0) = y[0]; M(1,1) = y[1]; M(1,2) = y[2]; M(1,3) = 0.0;
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M(2,0) = z[0]; M(2,1) = z[1]; M(2,2) = z[2]; M(2,3) = 0.0;
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M(3,0) = eye[0]; M(3,1) = eye[1]; M(3,2) = eye[2]; M(3,3) = 1.0;
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#undef M
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}
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// Update the view parameters
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void FGViewerLookAt::update() {
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sgVec3 minus_z;
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view_point.setPosition(geod_view_pos[0] * SGD_RADIANS_TO_DEGREES,
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geod_view_pos[1] * SGD_RADIANS_TO_DEGREES,
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geod_view_pos[2] * SG_METER_TO_FEET);
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sgCopyVec3(zero_elev, view_point.getZeroElevViewPos());
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sgdCopyVec3(abs_view_pos, view_point.getAbsoluteViewPos());
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sgCopyVec3(view_pos, view_point.getRelativeViewPos());
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sgVec3 tmp_offset;
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sgCopyVec3( tmp_offset, pilot_offset );
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SG_LOG( SG_VIEW, SG_DEBUG, "tmp offset = "
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<< tmp_offset[0] << "," << tmp_offset[1] << ","
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<< tmp_offset[2] );
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//!!!!!!!!!!!!!!!!!!!
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// THIS IS THE EXPERIMENTAL VIEWING ANGLE SHIFTER
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// THE MAJORITY OF THE WORK IS DONE IN GUI.CXX
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extern float GuiQuat_mat[4][4];
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sgXformPnt3( tmp_offset, tmp_offset, GuiQuat_mat );
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SG_LOG( SG_VIEW, SG_DEBUG, "tmp_offset = "
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<< tmp_offset[0] << "," << tmp_offset[1] << ","
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<< tmp_offset[2] );
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sgAddVec3( view_pos, tmp_offset );
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// !!!!!!!!!! testing
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// Make the VIEW matrix.
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fgMakeLookAtMat4( VIEW, view_pos, view_forward, view_up );
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// the VIEW matrix includes both rotation and translation. Let's
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// knock out the translation part to make the VIEW_ROT matrix
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sgCopyMat4( VIEW_ROT, VIEW );
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VIEW_ROT[3][0] = VIEW_ROT[3][1] = VIEW_ROT[3][2] = 0.0;
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// Make the world up rotation matrix
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sgMakeRotMat4( UP,
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geod_view_pos[0] * SGD_RADIANS_TO_DEGREES,
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0.0,
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-geod_view_pos[1] * SGD_RADIANS_TO_DEGREES );
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// use a clever observation into the nature of our tranformation
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// matrix to grab the world_up vector
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sgSetVec3( world_up, UP[0][0], UP[0][1], UP[0][2] );
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// Given a vector pointing straight down (-Z), map into onto the
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// local plane representing "horizontal". This should give us the
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// local direction for moving "south".
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sgSetVec3( minus_z, 0.0, 0.0, -1.0 );
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sgmap_vec_onto_cur_surface_plane(world_up, view_pos, minus_z,
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surface_south);
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sgNormalizeVec3(surface_south);
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// now calculate the surface east vector
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sgVec3 world_down;
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sgNegateVec3(world_down, world_up);
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sgVectorProductVec3(surface_east, surface_south, world_down);
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set_clean();
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}
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// Destructor
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FGViewerLookAt::~FGViewerLookAt( void ) {
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}
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@ -1,91 +0,0 @@
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// viewer_lookat.hxx -- class for managing a "look at" viewer in
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// the flightgear world.
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//
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// Written by Curtis Olson, started October 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _VIEWER_LOOKAT_HXX
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#define _VIEWER_LOOKAT_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#include "viewer.hxx"
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// Define a structure containing view information
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class FGViewerLookAt: public FGViewer {
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private:
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// up vector for the view (usually point straight up through the
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// top of the aircraft
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sgVec3 view_up;
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// the vector pointing straight out the nose of the aircraft
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sgVec3 view_forward;
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// Transformation matrix for the view direction offset relative to
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// the AIRCRAFT matrix
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sgMat4 VIEW_OFFSET;
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// sg versions of our friendly matrices
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sgMat4 LOCAL, TRANS, LARC_TO_SSG;
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// Update the view volume, position, and orientation
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void update();
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public:
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// Constructor
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FGViewerLookAt( void );
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// Destructor
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~FGViewerLookAt( void );
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//////////////////////////////////////////////////////////////////////
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// setter functions
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//////////////////////////////////////////////////////////////////////
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inline void set_view_forward( sgVec3 vf ) {
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set_dirty();
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sgCopyVec3( view_forward, vf );
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}
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inline void set_view_up( sgVec3 vf ) {
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set_dirty();
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sgCopyVec3( view_up, vf );
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}
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//////////////////////////////////////////////////////////////////////
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// accessor functions
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//////////////////////////////////////////////////////////////////////
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inline float *get_view_forward() { return view_forward; }
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inline float *get_view_up() { return view_up; }
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//////////////////////////////////////////////////////////////////////
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// derived values accessor functions
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//////////////////////////////////////////////////////////////////////
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};
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#endif // _VIEWER_LOOKAT_HXX
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@ -1,206 +0,0 @@
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// viewer_rph.cxx -- class for managing a Roll/Pitch/Heading viewer in
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// the flightgear world.
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//
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// Written by Curtis Olson, started August 1997.
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// overhaul started October 2000.
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//
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// Copyright (C) 1997 - 2000 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <simgear/compiler.h>
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <plib/ssg.h> // plib include
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#include <simgear/constants.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/math/point3d.hxx>
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#include <simgear/math/polar3d.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/math/vector.hxx>
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#include <Scenery/scenery.hxx>
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#include "globals.hxx"
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#include "viewer_rph.hxx"
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// Constructor
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FGViewerRPH::FGViewerRPH( void )
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{
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set_reverse_view_offset(false);
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}
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// VIEW_ROT = LARC_TO_SSG * ( VIEWo * VIEW_OFFSET )
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// This takes advantage of the fact that VIEWo and VIEW_OFFSET
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// only have entries in the upper 3x3 block
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// and that LARC_TO_SSG is just a shift of rows NHV
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inline static void fgMakeViewRot( sgMat4 dst, const sgMat4 m1, const sgMat4 m2 )
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{
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for ( int j = 0 ; j < 3 ; j++ ) {
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dst[2][j] = m2[0][0] * m1[0][j] +
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m2[0][1] * m1[1][j] +
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m2[0][2] * m1[2][j];
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dst[0][j] = m2[1][0] * m1[0][j] +
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m2[1][1] * m1[1][j] +
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m2[1][2] * m1[2][j];
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dst[1][j] = m2[2][0] * m1[0][j] +
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m2[2][1] * m1[1][j] +
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m2[2][2] * m1[2][j];
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}
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dst[0][3] =
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dst[1][3] =
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dst[2][3] =
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dst[3][0] =
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dst[3][1] =
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dst[3][2] = SG_ZERO;
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dst[3][3] = SG_ONE;
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}
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inline static void fgMakeLOCAL( sgMat4 dst, const double Theta,
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const double Phi, const double Psi)
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{
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SGfloat cosTheta = (SGfloat) cos(Theta);
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SGfloat sinTheta = (SGfloat) sin(Theta);
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SGfloat cosPhi = (SGfloat) cos(Phi);
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SGfloat sinPhi = (SGfloat) sin(Phi);
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SGfloat sinPsi = (SGfloat) sin(Psi) ;
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SGfloat cosPsi = (SGfloat) cos(Psi) ;
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dst[0][0] = cosPhi * cosTheta;
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dst[0][1] = sinPhi * cosPsi + cosPhi * -sinTheta * -sinPsi;
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dst[0][2] = sinPhi * sinPsi + cosPhi * -sinTheta * cosPsi;
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dst[0][3] = SG_ZERO;
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dst[1][0] = -sinPhi * cosTheta;
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dst[1][1] = cosPhi * cosPsi + -sinPhi * -sinTheta * -sinPsi;
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dst[1][2] = cosPhi * sinPsi + -sinPhi * -sinTheta * cosPsi;
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dst[1][3] = SG_ZERO ;
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dst[2][0] = sinTheta;
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dst[2][1] = cosTheta * -sinPsi;
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dst[2][2] = cosTheta * cosPsi;
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dst[2][3] = SG_ZERO;
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dst[3][0] = SG_ZERO;
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dst[3][1] = SG_ZERO;
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dst[3][2] = SG_ZERO;
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dst[3][3] = SG_ONE ;
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}
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// Update the view parameters
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void FGViewerRPH::update() {
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sgVec3 minus_z, right, forward, tilt;
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sgMat4 VIEWo;
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view_point.setPosition(geod_view_pos[0] * SGD_RADIANS_TO_DEGREES,
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geod_view_pos[1] * SGD_RADIANS_TO_DEGREES,
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geod_view_pos[2] * SG_METER_TO_FEET);
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sgCopyVec3(zero_elev, view_point.getZeroElevViewPos());
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sgdCopyVec3(abs_view_pos, view_point.getAbsoluteViewPos());
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sgCopyVec3(view_pos, view_point.getRelativeViewPos());
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// code to calculate LOCAL matrix calculated from Phi, Theta, and
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// Psi (roll, pitch, yaw) in case we aren't running LaRCsim as our
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// flight model
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fgMakeLOCAL( LOCAL, rph[1], rph[0], -rph[2] );
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sgMakeRotMat4( UP,
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geod_view_pos[0] * SGD_RADIANS_TO_DEGREES,
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0.0,
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-geod_view_pos[1] * SGD_RADIANS_TO_DEGREES );
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sgSetVec3( world_up, UP[0][0], UP[0][1], UP[0][2] );
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sgCopyMat4( VIEWo, LOCAL );
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sgPostMultMat4( VIEWo, UP );
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// generate the sg view up and forward vectors
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sgSetVec3( view_up, VIEWo[0][0], VIEWo[0][1], VIEWo[0][2] );
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sgSetVec3( right, VIEWo[1][0], VIEWo[1][1], VIEWo[1][2] );
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sgSetVec3( forward, VIEWo[2][0], VIEWo[2][1], VIEWo[2][2] );
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// generate the pilot offset vector in world coordinates
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sgVec3 pilot_offset_world;
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sgSetVec3( pilot_offset_world,
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pilot_offset[2], pilot_offset[1], -pilot_offset[0] );
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sgXformVec3( pilot_offset_world, pilot_offset_world, VIEWo );
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// generate the view offset matrix
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sgMakeRotMat4( VIEW_OFFSET, view_offset * SGD_RADIANS_TO_DEGREES, view_up );
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sgMat4 VIEW_TILT;
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sgMakeRotMat4( VIEW_TILT, view_tilt * SGD_RADIANS_TO_DEGREES, right );
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sgPreMultMat4(VIEW_OFFSET, VIEW_TILT);
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// cout << "VIEW_OFFSET matrix" << endl;
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// print_sgMat4( VIEW_OFFSET );
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sgXformVec3( view_forward, forward, VIEW_OFFSET );
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SG_LOG( SG_VIEW, SG_DEBUG, "(RPH) view forward = "
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<< view_forward[0] << "," << view_forward[1] << ","
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<< view_forward[2] );
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// VIEW_ROT = LARC_TO_SSG * ( VIEWo * VIEW_OFFSET )
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fgMakeViewRot( VIEW_ROT, VIEW_OFFSET, VIEWo );
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sgVec3 trans_vec;
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sgAddVec3( trans_vec, view_pos, pilot_offset_world );
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// VIEW = VIEW_ROT * TRANS
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sgCopyMat4( VIEW, VIEW_ROT );
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sgPostMultMat4ByTransMat4( VIEW, trans_vec );
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//!!!!!!!!!!!!!!!!!!!
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// THIS IS THE EXPERIMENTAL VIEWING ANGLE SHIFTER
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// THE MAJORITY OF THE WORK IS DONE IN GUI.CXX
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// this in gui.cxx for now just testing
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extern float GuiQuat_mat[4][4];
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sgPreMultMat4( VIEW, GuiQuat_mat);
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// !!!!!!!!!! testing
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// Given a vector pointing straight down (-Z), map into onto the
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// local plane representing "horizontal". This should give us the
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// local direction for moving "south".
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sgSetVec3( minus_z, 0.0, 0.0, -1.0 );
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sgmap_vec_onto_cur_surface_plane(world_up, view_pos, minus_z,
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surface_south);
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sgNormalizeVec3(surface_south);
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// cout << "Surface direction directly south " << surface_south[0] << ","
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// << surface_south[1] << "," << surface_south[2] << endl;
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||||
|
||||
// now calculate the surface east vector
|
||||
sgVec3 world_down;
|
||||
sgNegateVec3(world_down, world_up);
|
||||
sgVectorProductVec3(surface_east, surface_south, world_down);
|
||||
|
||||
set_clean();
|
||||
}
|
||||
|
||||
|
||||
// Destructor
|
||||
FGViewerRPH::~FGViewerRPH( void ) {
|
||||
}
|
||||
|
|
@ -1,96 +0,0 @@
|
|||
// viewer_rph.hxx -- class for managing a Roll/Pitch/Heading viewer in
|
||||
// the flightgear world.
|
||||
//
|
||||
// Written by Curtis Olson, started August 1997.
|
||||
// overhaul started October 2000.
|
||||
//
|
||||
// Copyright (C) 1997 - 2000 Curtis L. Olson - curt@flightgear.org
|
||||
//
|
||||
// This program is free software; you can redistribute it and/or
|
||||
// modify it under the terms of the GNU General Public License as
|
||||
// published by the Free Software Foundation; either version 2 of the
|
||||
// License, or (at your option) any later version.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful, but
|
||||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software
|
||||
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
//
|
||||
// $Id$
|
||||
|
||||
|
||||
#ifndef _VIEWER_RPH_HXX
|
||||
#define _VIEWER_RPH_HXX
|
||||
|
||||
|
||||
#ifndef __cplusplus
|
||||
# error This library requires C++
|
||||
#endif
|
||||
|
||||
|
||||
#include "viewer.hxx"
|
||||
|
||||
|
||||
// Define a structure containing view information
|
||||
class FGViewerRPH: public FGViewer {
|
||||
|
||||
private:
|
||||
|
||||
// view orientation (roll, pitch, heading)
|
||||
sgVec3 rph;
|
||||
|
||||
// up vector for the view (usually point straight up through the
|
||||
// top of the aircraft
|
||||
sgVec3 view_up;
|
||||
|
||||
// the vector pointing straight out the nose of the aircraft
|
||||
sgVec3 view_forward;
|
||||
|
||||
// Transformation matrix for the view direction offset relative to
|
||||
// the AIRCRAFT matrix
|
||||
sgMat4 VIEW_OFFSET;
|
||||
|
||||
// sg versions of our friendly matrices
|
||||
sgMat4 LOCAL, TRANS, LARC_TO_SSG;
|
||||
|
||||
// Update the view volume, position, and orientation
|
||||
void update();
|
||||
|
||||
public:
|
||||
|
||||
// Constructor
|
||||
FGViewerRPH( void );
|
||||
|
||||
// Destructor
|
||||
~FGViewerRPH( void );
|
||||
|
||||
// Initialize a view class
|
||||
// void init( void );
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// setter functions
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
inline void set_rph( double r, double p, double h ) {
|
||||
// data should be in radians
|
||||
set_dirty();
|
||||
sgSetVec3( rph, r, p, h );
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// accessor functions
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
inline float *get_rph() { return rph; }
|
||||
inline float *get_view_forward() { return view_forward; }
|
||||
inline float *get_view_up() { return view_up; }
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// derived values accessor functions
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
};
|
||||
|
||||
|
||||
#endif // _VIEWER_RPH_HXX
|
||||
Loading…
Add table
Reference in a new issue