1 /**************************************************************************
2 * slew.c -- the "slew" flight model
4 * Written by Curtis Olson, started May 1997.
6 * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
30 #include "../flight.h"
31 #include "../../Aircraft/aircraft.h"
32 #include "../../Controls/controls.h"
36 #define M_PI 3.14159265358979323846 /* pi */
40 #define PI2 (M_PI + M_PI)
44 /* reset flight params to a specific position */
45 void fgSlewInit(double pos_x, double pos_y, double pos_z, double heading) {
46 struct flight_params *f;
48 f = ¤t_aircraft.flight;
70 /* update position based on inputs, positions, velocities, etc. */
72 struct flight_params *f;
73 struct control_params *c;
75 f = ¤t_aircraft.flight;
76 c = ¤t_aircraft.controls;
78 /* f->Psi += ( c->aileron / 8 );
81 } else if ( f->Psi < 0 ) {
87 f->pos_x = f->pos_x + (cos(f->Psi) * f->vel_x);
88 f->pos_y = f->pos_y + (sin(f->Psi) * f->vel_x); */
93 /* Revision 1.4 1997/06/21 17:12:51 curt
94 /* Capitalized subdirectory names.
96 * Revision 1.3 1997/05/29 22:40:00 curt
97 * Working on incorporating the LaRCsim flight model.
99 * Revision 1.2 1997/05/29 12:30:19 curt
100 * Some initial mods to work better in a timer environment.
102 * Revision 1.1 1997/05/29 02:29:42 curt
103 * Moved to their own directory.
105 * Revision 1.2 1997/05/23 15:40:37 curt
106 * Added GNU copyright headers.
108 * Revision 1.1 1997/05/16 16:04:45 curt