1 // flight.hxx -- define shared flight model parameters
3 // Written by Curtis Olson, started May 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 // (Log is kept at end of this file)
29 #include <Flight/Slew/slew.hxx>
33 # error This library requires C++
37 typedef double FG_VECTOR_3[3];
40 // This is based heavily on LaRCsim/ls_generic.h
45 // Define the various supported flight models (many not yet implemented)
47 // Slew (in MS terminology)
50 // The only "real" model that is currently implemented
60 // Driven externally via a serial port, net, file, etc.
64 /*================== Mass properties and geometry values ==================*/
67 double mass, i_xx, i_yy, i_zz, i_xz;
68 inline double get_Mass() const { return mass; }
69 inline double get_I_xx() const { return i_xx; }
70 inline double get_I_yy() const { return i_yy; }
71 inline double get_I_zz() const { return i_zz; }
72 inline double get_I_xz() const { return i_xz; }
73 inline void set_Inertias( double m, double xx, double yy,
83 // Pilot location rel to ref pt
84 FG_VECTOR_3 d_pilot_rp_body_v;
85 inline double * get_D_pilot_rp_body_v() {
86 return d_pilot_rp_body_v;
88 inline double get_Dx_pilot() const { return d_pilot_rp_body_v[0]; }
89 inline double get_Dy_pilot() const { return d_pilot_rp_body_v[1]; }
90 inline double get_Dz_pilot() const { return d_pilot_rp_body_v[2]; }
91 inline void set_Pilot_Location( double dx, double dy, double dz ) {
92 d_pilot_rp_body_v[0] = dx;
93 d_pilot_rp_body_v[1] = dy;
94 d_pilot_rp_body_v[2] = dz;
97 // CG position w.r.t. ref. point
98 FG_VECTOR_3 d_cg_rp_body_v;
99 inline double * get_D_cg_rp_body_v() { return d_cg_rp_body_v; }
100 inline double get_Dx_cg() const { return d_cg_rp_body_v[0]; }
101 inline double get_Dy_cg() const { return d_cg_rp_body_v[1]; }
102 inline double get_Dz_cg() const { return d_cg_rp_body_v[2]; }
103 inline void set_CG_Position( double dx, double dy, double dz ) {
104 d_cg_rp_body_v[0] = dx;
105 d_cg_rp_body_v[1] = dy;
106 d_cg_rp_body_v[2] = dz;
109 /*================================ Forces =================================*/
111 FG_VECTOR_3 f_body_total_v;
112 inline double * get_F_body_total_v() { return f_body_total_v; }
113 inline double get_F_X() const { return f_body_total_v[0]; }
114 inline double get_F_Y() const { return f_body_total_v[1]; }
115 inline double get_F_Z() const { return f_body_total_v[2]; }
116 inline void set_Forces_Body_Total( double x, double y, double z ) {
117 f_body_total_v[0] = x;
118 f_body_total_v[1] = y;
119 f_body_total_v[2] = z;
122 FG_VECTOR_3 f_local_total_v;
123 inline double * get_F_local_total_v() { return f_local_total_v; }
124 inline double get_F_north() const { return f_local_total_v[0]; }
125 inline double get_F_east() const { return f_local_total_v[1]; }
126 inline double get_F_down() const { return f_local_total_v[2]; }
127 inline void set_Forces_Local_Total( double x, double y, double z ) {
128 f_local_total_v[0] = x;
129 f_local_total_v[1] = y;
130 f_local_total_v[2] = z;
133 FG_VECTOR_3 f_aero_v;
134 inline double * get_F_aero_v() { return f_aero_v; }
135 inline double get_F_X_aero() const { return f_aero_v[0]; }
136 inline double get_F_Y_aero() const { return f_aero_v[1]; }
137 inline double get_F_Z_aero() const { return f_aero_v[2]; }
138 inline void set_Forces_Aero( double x, double y, double z ) {
144 FG_VECTOR_3 f_engine_v;
145 inline double * get_F_engine_v() { return f_engine_v; }
146 inline double get_F_X_engine() const { return f_engine_v[0]; }
147 inline double get_F_Y_engine() const { return f_engine_v[1]; }
148 inline double get_F_Z_engine() const { return f_engine_v[2]; }
149 inline void set_Forces_Engine( double x, double y, double z ) {
155 FG_VECTOR_3 f_gear_v;
156 inline double * get_F_gear_v() { return f_gear_v; }
157 inline double get_F_X_gear() const { return f_gear_v[0]; }
158 inline double get_F_Y_gear() const { return f_gear_v[1]; }
159 inline double get_F_Z_gear() const { return f_gear_v[2]; }
160 inline void set_Forces_Gear( double x, double y, double z ) {
166 /*================================ Moments ================================*/
168 FG_VECTOR_3 m_total_rp_v;
169 inline double * get_M_total_rp_v() { return m_total_rp_v; }
170 inline double get_M_l_rp() const { return m_total_rp_v[0]; }
171 inline double get_M_m_rp() const { return m_total_rp_v[1]; }
172 inline double get_M_n_rp() const { return m_total_rp_v[2]; }
173 inline void set_Moments_Total_RP( double l, double m, double n ) {
179 FG_VECTOR_3 m_total_cg_v;
180 inline double * get_M_total_cg_v() { return m_total_cg_v; }
181 inline double get_M_l_cg() const { return m_total_cg_v[0]; }
182 inline double get_M_m_cg() const { return m_total_cg_v[1]; }
183 inline double get_M_n_cg() const { return m_total_cg_v[2]; }
184 inline void set_Moments_Total_CG( double l, double m, double n ) {
190 FG_VECTOR_3 m_aero_v;
191 inline double * get_M_aero_v() { return m_aero_v; }
192 inline double get_M_l_aero() const { return m_aero_v[0]; }
193 inline double get_M_m_aero() const { return m_aero_v[1]; }
194 inline double get_M_n_aero() const { return m_aero_v[2]; }
195 inline void set_Moments_Aero( double l, double m, double n ) {
201 FG_VECTOR_3 m_engine_v;
202 inline double * get_M_engine_v() { return m_engine_v; }
203 inline double get_M_l_engine() const { return m_engine_v[0]; }
204 inline double get_M_m_engine() const { return m_engine_v[1]; }
205 inline double get_M_n_engine() const { return m_engine_v[2]; }
206 inline void set_Moments_Engine( double l, double m, double n ) {
212 FG_VECTOR_3 m_gear_v;
213 inline double * get_M_gear_v() { return m_gear_v; }
214 inline double get_M_l_gear() const { return m_gear_v[0]; }
215 inline double get_M_m_gear() const { return m_gear_v[1]; }
216 inline double get_M_n_gear() const { return m_gear_v[2]; }
217 inline void set_Moments_Gear( double l, double m, double n ) {
223 /*============================== Accelerations ============================*/
225 FG_VECTOR_3 v_dot_local_v;
226 inline double * get_V_dot_local_v() { return v_dot_local_v; }
227 inline double get_V_dot_north() const { return v_dot_local_v[0]; }
228 inline double get_V_dot_east() const { return v_dot_local_v[1]; }
229 inline double get_V_dot_down() const { return v_dot_local_v[2]; }
230 inline void set_Accels_Local( double north, double east, double down ) {
231 v_dot_local_v[0] = north;
232 v_dot_local_v[1] = east;
233 v_dot_local_v[2] = down;
236 FG_VECTOR_3 v_dot_body_v;
237 inline double * get_V_dot_body_v() { return v_dot_body_v; }
238 inline double get_U_dot_body() const { return v_dot_body_v[0]; }
239 inline double get_V_dot_body() const { return v_dot_body_v[1]; }
240 inline double get_W_dot_body() const { return v_dot_body_v[2]; }
241 inline void set_Accels_Body( double u, double v, double w ) {
242 v_dot_local_v[0] = u;
243 v_dot_local_v[1] = v;
244 v_dot_local_v[2] = w;
247 FG_VECTOR_3 a_cg_body_v;
248 inline double * get_A_cg_body_v() { return a_cg_body_v; }
249 inline double get_A_X_cg() const { return a_cg_body_v[0]; }
250 inline double get_A_Y_cg() const { return a_cg_body_v[1]; }
251 inline double get_A_Z_cg() const { return a_cg_body_v[2]; }
252 inline void set_Accels_CG_Body( double x, double y, double z ) {
258 FG_VECTOR_3 a_pilot_body_v;
259 inline double * get_A_pilot_body_v() { return a_pilot_body_v; }
260 inline double get_A_X_pilot() const { return a_pilot_body_v[0]; }
261 inline double get_A_Y_pilot() const { return a_pilot_body_v[1]; }
262 inline double get_A_Z_pilot() const { return a_pilot_body_v[2]; }
263 inline void set_Accels_Pilot_Body( double x, double y, double z ) {
264 a_pilot_body_v[0] = x;
265 a_pilot_body_v[1] = y;
266 a_pilot_body_v[2] = z;
269 FG_VECTOR_3 n_cg_body_v;
270 inline double * get_N_cg_body_v() { return n_cg_body_v; }
271 inline double get_N_X_cg() const { return n_cg_body_v[0]; }
272 inline double get_N_Y_cg() const { return n_cg_body_v[1]; }
273 inline double get_N_Z_cg() const { return n_cg_body_v[2]; }
274 inline void set_Accels_CG_Body_N( double x, double y, double z ) {
280 FG_VECTOR_3 n_pilot_body_v;
281 inline double * get_N_pilot_body_v() { return n_pilot_body_v; }
282 inline double get_N_X_pilot() const { return n_pilot_body_v[0]; }
283 inline double get_N_Y_pilot() const { return n_pilot_body_v[1]; }
284 inline double get_N_Z_pilot() const { return n_pilot_body_v[2]; }
285 inline void set_Accels_Pilot_Body_N( double x, double y, double z ) {
286 n_pilot_body_v[0] = x;
287 n_pilot_body_v[1] = y;
288 n_pilot_body_v[2] = z;
291 FG_VECTOR_3 omega_dot_body_v;
292 inline double * get_Omega_dot_body_v() { return omega_dot_body_v; }
293 inline double get_P_dot_body() const { return omega_dot_body_v[0]; }
294 inline double get_Q_dot_body() const { return omega_dot_body_v[1]; }
295 inline double get_R_dot_body() const { return omega_dot_body_v[2]; }
296 inline void set_Accels_Omega( double p, double q, double r ) {
297 omega_dot_body_v[0] = p;
298 omega_dot_body_v[1] = q;
299 omega_dot_body_v[2] = r;
303 /*============================== Velocities ===============================*/
305 FG_VECTOR_3 v_local_v;
306 inline double * get_V_local_v() { return v_local_v; }
307 inline double get_V_north() const { return v_local_v[0]; }
308 inline double get_V_east() const { return v_local_v[1]; }
309 inline double get_V_down() const { return v_local_v[2]; }
310 inline void set_Velocities_Local( double north, double east, double down ) {
311 v_local_v[0] = north;
316 FG_VECTOR_3 v_local_rel_ground_v; /* V rel w.r.t. earth surface */
317 inline double * get_V_local_rel_ground_v() { return v_local_rel_ground_v; }
318 inline double get_V_north_rel_ground() const {
319 return v_local_rel_ground_v[0];
321 inline double get_V_east_rel_ground() const {
322 return v_local_rel_ground_v[1];
324 inline double get_V_down_rel_ground() const {
325 return v_local_rel_ground_v[2];
327 inline void set_Velocities_Ground(double north, double east, double down) {
328 v_local_rel_ground_v[0] = north;
329 v_local_rel_ground_v[1] = east;
330 v_local_rel_ground_v[2] = down;
333 FG_VECTOR_3 v_local_airmass_v; /* velocity of airmass (steady winds) */
334 inline double * get_V_local_airmass_v() { return v_local_airmass_v; }
335 inline double get_V_north_airmass() const { return v_local_airmass_v[0]; }
336 inline double get_V_east_airmass() const { return v_local_airmass_v[1]; }
337 inline double get_V_down_airmass() const { return v_local_airmass_v[2]; }
338 inline void set_Velocities_Local_Airmass( double north, double east,
341 v_local_airmass_v[0] = north;
342 v_local_airmass_v[1] = east;
343 v_local_airmass_v[2] = down;
346 FG_VECTOR_3 v_local_rel_airmass_v; /* velocity of veh. relative to */
348 inline double * get_V_local_rel_airmass_v() {
349 return v_local_rel_airmass_v;
351 inline double get_V_north_rel_airmass() const {
352 return v_local_rel_airmass_v[0];
354 inline double get_V_east_rel_airmass() const {
355 return v_local_rel_airmass_v[1];
357 inline double get_V_down_rel_airmass() const {
358 return v_local_rel_airmass_v[2];
360 inline void set_Velocities_Local_Rel_Airmass( double north, double east,
363 v_local_rel_airmass_v[0] = north;
364 v_local_rel_airmass_v[1] = east;
365 v_local_rel_airmass_v[2] = down;
368 FG_VECTOR_3 v_local_gust_v; /* linear turbulence components, L frame */
369 inline double * get_V_local_gust_v() { return v_local_gust_v; }
370 inline double get_U_gust() const { return v_local_gust_v[0]; }
371 inline double get_V_gust() const { return v_local_gust_v[1]; }
372 inline double get_W_gust() const { return v_local_gust_v[2]; }
373 inline void set_Velocities_Gust( double u, double v, double w)
375 v_local_gust_v[0] = u;
376 v_local_gust_v[1] = v;
377 v_local_gust_v[2] = w;
380 FG_VECTOR_3 v_wind_body_v; /* Wind-relative velocities in body axis */
381 inline double * get_V_wind_body_v() { return v_wind_body_v; }
382 inline double get_U_body() const { return v_wind_body_v[0]; }
383 inline double get_V_body() const { return v_wind_body_v[1]; }
384 inline double get_W_body() const { return v_wind_body_v[2]; }
385 inline void set_Velocities_Wind_Body( double u, double v, double w)
387 v_wind_body_v[0] = u;
388 v_wind_body_v[1] = v;
389 v_wind_body_v[2] = w;
392 double v_rel_wind, v_true_kts, v_rel_ground, v_inertial;
393 double v_ground_speed, v_equiv, v_equiv_kts;
394 double v_calibrated, v_calibrated_kts;
396 inline double get_V_rel_wind() const { return v_rel_wind; }
397 inline void set_V_rel_wind(double wind) { v_rel_wind = wind; }
399 inline double get_V_true_kts() const { return v_true_kts; }
400 inline void set_V_true_kts(double kts) { v_true_kts = kts; }
402 inline double get_V_rel_ground() const { return v_rel_ground; }
403 inline void set_V_rel_ground( double v ) { v_rel_ground = v; }
405 inline double get_V_inertial() const { return v_inertial; }
406 inline void set_V_inertial(double v) { v_inertial = v; }
408 inline double get_V_ground_speed() const { return v_ground_speed; }
409 inline void set_V_ground_speed( double v) { v_ground_speed = v; }
411 inline double get_V_equiv() const { return v_equiv; }
412 inline void set_V_equiv( double v ) { v_equiv = v; }
414 inline double get_V_equiv_kts() const { return v_equiv_kts; }
415 inline void set_V_equiv_kts( double kts ) { v_equiv_kts = kts; }
417 inline double get_V_calibrated() const { return v_calibrated; }
418 inline void set_V_calibrated( double v ) { v_calibrated = v; }
420 inline double get_V_calibrated_kts() const { return v_calibrated_kts; }
421 inline void set_V_calibrated_kts( double kts ) { v_calibrated_kts = kts; }
423 FG_VECTOR_3 omega_body_v; /* Angular B rates */
424 inline double * get_Omega_body_v() { return omega_body_v; }
425 inline double get_P_body() const { return omega_body_v[0]; }
426 inline double get_Q_body() const { return omega_body_v[1]; }
427 inline double get_R_body() const { return omega_body_v[2]; }
428 inline void set_Omega_Body( double p, double q, double r ) {
434 FG_VECTOR_3 omega_local_v; /* Angular L rates */
435 inline double * get_Omega_local_v() { return omega_local_v; }
436 inline double get_P_local() const { return omega_local_v[0]; }
437 inline double get_Q_local() const { return omega_local_v[1]; }
438 inline double get_R_local() const { return omega_local_v[2]; }
439 inline void set_Omega_Local( double p, double q, double r ) {
440 omega_local_v[0] = p;
441 omega_local_v[1] = q;
442 omega_local_v[2] = r;
445 FG_VECTOR_3 omega_total_v; /* Diff btw B & L */
446 inline double * get_Omega_total_v() { return omega_total_v; }
447 inline double get_P_total() const { return omega_total_v[0]; }
448 inline double get_Q_total() const { return omega_total_v[1]; }
449 inline double get_R_total() const { return omega_total_v[2]; }
450 inline void set_Omega_Total( double p, double q, double r ) {
451 omega_total_v[0] = p;
452 omega_total_v[1] = q;
453 omega_total_v[2] = r;
456 FG_VECTOR_3 euler_rates_v;
457 inline double * get_Euler_rates_v() { return euler_rates_v; }
458 inline double get_Phi_dot() const { return euler_rates_v[0]; }
459 inline double get_Theta_dot() const { return euler_rates_v[1]; }
460 inline double get_Psi_dot() const { return euler_rates_v[2]; }
461 inline void set_Euler_Rates( double phi, double theta, double psi ) {
462 euler_rates_v[0] = phi;
463 euler_rates_v[1] = theta;
464 euler_rates_v[2] = psi;
467 FG_VECTOR_3 geocentric_rates_v; /* Geocentric linear velocities */
468 inline double * get_Geocentric_rates_v() { return geocentric_rates_v; }
469 inline double get_Latitude_dot() const { return geocentric_rates_v[0]; }
470 inline double get_Longitude_dot() const { return geocentric_rates_v[1]; }
471 inline double get_Radius_dot() const { return geocentric_rates_v[2]; }
472 inline void set_Geocentric_Rates( double lat, double lon, double rad ) {
473 geocentric_rates_v[0] = lat;
474 geocentric_rates_v[1] = lon;
475 geocentric_rates_v[2] = rad;
478 /*=============================== Positions ===============================*/
480 FG_VECTOR_3 geocentric_position_v;
481 inline double * get_Geocentric_position_v() {
482 return geocentric_position_v;
484 inline double get_Lat_geocentric() const {
485 return geocentric_position_v[0];
487 inline double get_Lon_geocentric() const {
488 return geocentric_position_v[1];
490 inline double get_Radius_to_vehicle() const {
491 return geocentric_position_v[2];
493 inline void set_Radius_to_vehicle(double radius) {
494 geocentric_position_v[2] = radius;
496 inline void set_Geocentric_Position( double lat, double lon, double rad ) {
497 geocentric_position_v[0] = lat;
498 geocentric_position_v[1] = lon;
499 geocentric_position_v[2] = rad;
502 FG_VECTOR_3 geodetic_position_v;
503 inline double * get_Geodetic_position_v() { return geodetic_position_v; }
504 inline double get_Latitude() const { return geodetic_position_v[0]; }
505 inline void set_Latitude(double lat) { geodetic_position_v[0] = lat; }
506 inline double get_Longitude() const { return geodetic_position_v[1]; }
507 inline void set_Longitude(double lon) { geodetic_position_v[1] = lon; }
508 inline double get_Altitude() const { return geodetic_position_v[2]; }
509 inline void set_Altitude(double altitude) {
510 geodetic_position_v[2] = altitude;
512 inline void set_Geodetic_Position( double lat, double lon, double alt ) {
513 geodetic_position_v[0] = lat;
514 geodetic_position_v[1] = lon;
515 geodetic_position_v[2] = alt;
518 FG_VECTOR_3 euler_angles_v;
519 inline double * get_Euler_angles_v() { return euler_angles_v; }
520 inline double get_Phi() const { return euler_angles_v[0]; }
521 inline double get_Theta() const { return euler_angles_v[1]; }
522 inline double get_Psi() const { return euler_angles_v[2]; }
523 inline void set_Euler_Angles( double phi, double theta, double psi ) {
524 euler_angles_v[0] = phi;
525 euler_angles_v[1] = theta;
526 euler_angles_v[2] = psi;
530 /*======================= Miscellaneous quantities ========================*/
532 double t_local_to_body_m[3][3]; /* Transformation matrix L to B */
533 // inline double * get_T_local_to_body_m() { return t_local_to_body_m; }
534 inline double get_T_local_to_body_11() const {
535 return t_local_to_body_m[0][0];
537 inline double get_T_local_to_body_12() const {
538 return t_local_to_body_m[0][1];
540 inline double get_T_local_to_body_13() const {
541 return t_local_to_body_m[0][2];
543 inline double get_T_local_to_body_21() const {
544 return t_local_to_body_m[1][0];
546 inline double get_T_local_to_body_22() const {
547 return t_local_to_body_m[1][1];
549 inline double get_T_local_to_body_23() const {
550 return t_local_to_body_m[1][2];
552 inline double get_T_local_to_body_31() const {
553 return t_local_to_body_m[2][0];
555 inline double get_T_local_to_body_32() const {
556 return t_local_to_body_m[2][1];
558 inline double get_T_local_to_body_33() const {
559 return t_local_to_body_m[2][2];
561 inline void set_T_Local_to_Body( double m[3][3] ) {
563 for ( i = 0; i < 3; i++ ) {
564 for ( j = 0; j < 3; j++ ) {
565 t_local_to_body_m[i][j] = m[i][j];
570 double gravity; /* Local acceleration due to G */
571 inline double get_Gravity() const { return gravity; }
572 inline void set_Gravity(double g) { gravity = g; }
574 double centrifugal_relief; /* load factor reduction due to speed */
575 inline double get_Centrifugal_relief() const { return centrifugal_relief; }
576 inline void set_Centrifugal_relief(double cr) { centrifugal_relief = cr; }
578 double alpha, beta, alpha_dot, beta_dot; /* in radians */
579 inline double get_Alpha() const { return alpha; }
580 inline void set_Alpha( double a ) { alpha = a; }
581 inline double get_Beta() const { return beta; }
582 inline void set_Beta( double b ) { beta = b; }
583 inline double get_Alpha_dot() const { return alpha_dot; }
584 inline void set_Alpha_dot( double ad ) { alpha_dot = ad; }
585 inline double get_Beta_dot() const { return beta_dot; }
586 inline void set_Beta_dot( double bd ) { beta_dot = bd; }
588 double cos_alpha, sin_alpha, cos_beta, sin_beta;
589 inline double get_Cos_alpha() const { return cos_alpha; }
590 inline void set_Cos_alpha( double ca ) { cos_alpha = ca; }
591 inline double get_Sin_alpha() const { return sin_alpha; }
592 inline void set_Sin_alpha( double sa ) { sin_alpha = sa; }
593 inline double get_Cos_beta() const { return cos_beta; }
594 inline void set_Cos_beta( double cb ) { cos_beta = cb; }
595 inline double get_Sin_beta() const { return sin_beta; }
596 inline void set_Sin_beta( double sb ) { sin_beta = sb; }
598 double cos_phi, sin_phi, cos_theta, sin_theta, cos_psi, sin_psi;
599 inline double get_Cos_phi() const { return cos_phi; }
600 inline void set_Cos_phi( double cp ) { cos_phi = cp; }
601 inline double get_Sin_phi() const { return sin_phi; }
602 inline void set_Sin_phi( double sp ) { sin_phi = sp; }
603 inline double get_Cos_theta() const { return cos_theta; }
604 inline void set_Cos_theta( double ct ) { cos_theta = ct; }
605 inline double get_Sin_theta() const { return sin_theta; }
606 inline void set_Sin_theta( double st ) { sin_theta = st; }
607 inline double get_Cos_psi() const { return cos_psi; }
608 inline void set_Cos_psi( double cp ) { cos_psi = cp; }
609 inline double get_Sin_psi() const { return sin_psi; }
610 inline void set_Sin_psi( double sp ) { sin_psi = sp; }
612 double gamma_vert_rad, gamma_horiz_rad; /* Flight path angles */
613 inline double get_Gamma_vert_rad() const { return gamma_vert_rad; }
614 inline void set_Gamma_vert_rad( double gv ) { gamma_vert_rad = gv; }
615 inline double get_Gamma_horiz_rad() const { return gamma_horiz_rad; }
616 inline void set_Gamma_horiz_rad( double gh ) { gamma_horiz_rad = gh; }
618 double sigma, density, v_sound, mach_number;
619 inline double get_Sigma() const { return sigma; }
620 inline void set_Sigma( double s ) { sigma = s; }
621 inline double get_Density() const { return density; }
622 inline void set_Density( double d ) { density = d; }
623 inline double get_V_sound() const { return v_sound; }
624 inline void set_V_sound( double v ) { v_sound = v; }
625 inline double get_Mach_number() const { return mach_number; }
626 inline void set_Mach_number( double m ) { mach_number = m; }
628 double static_pressure, total_pressure, impact_pressure;
629 double dynamic_pressure;
630 inline double get_Static_pressure() const { return static_pressure; }
631 inline void set_Static_pressure( double sp ) { static_pressure = sp; }
632 inline double get_Total_pressure() const { return total_pressure; }
633 inline void set_Total_pressure( double tp ) { total_pressure = tp; }
634 inline double get_Impact_pressure() const { return impact_pressure; }
635 inline void set_Impact_pressure( double ip ) { impact_pressure = ip; }
636 inline double get_Dynamic_pressure() const { return dynamic_pressure; }
637 inline void set_Dynamic_pressure( double dp ) { dynamic_pressure = dp; }
639 double static_temperature, total_temperature;
640 inline double get_Static_temperature() const { return static_temperature; }
641 inline void set_Static_temperature( double t ) { static_temperature = t; }
642 inline double get_Total_temperature() const { return total_temperature; }
643 inline void set_Total_temperature( double t ) { total_temperature = t; }
645 double sea_level_radius, earth_position_angle;
646 inline double get_Sea_level_radius() const { return sea_level_radius; }
647 inline void set_Sea_level_radius( double r ) { sea_level_radius = r; }
648 inline double get_Earth_position_angle() const {
649 return earth_position_angle;
651 inline void set_Earth_position_angle(double a) {
652 earth_position_angle = a;
655 double runway_altitude, runway_latitude, runway_longitude;
656 double runway_heading;
657 inline double get_Runway_altitude() const { return runway_altitude; }
658 inline void set_Runway_altitude( double alt ) { runway_altitude = alt; }
659 inline double get_Runway_latitude() const { return runway_latitude; }
660 inline void set_Runway_latitude( double lat ) { runway_latitude = lat; }
661 inline double get_Runway_longitude() const { return runway_longitude; }
662 inline void set_Runway_longitude( double lon ) { runway_longitude = lon; }
663 inline double get_Runway_heading() const { return runway_heading; }
664 inline void set_Runway_heading( double h ) { runway_heading = h; }
666 double radius_to_rwy;
667 inline double get_Radius_to_rwy() const { return radius_to_rwy; }
668 inline void set_Radius_to_rwy( double r ) { radius_to_rwy = r; }
670 FG_VECTOR_3 d_cg_rwy_local_v; /* CG rel. to rwy in local coords */
671 inline double * get_D_cg_rwy_local_v() { return d_cg_rwy_local_v; }
672 inline double get_D_cg_north_of_rwy() const { return d_cg_rwy_local_v[0]; }
673 inline double get_D_cg_east_of_rwy() const { return d_cg_rwy_local_v[1]; }
674 inline double get_D_cg_above_rwy() const { return d_cg_rwy_local_v[2]; }
675 inline void set_CG_Rwy_Local( double north, double east, double above )
677 d_cg_rwy_local_v[0] = north;
678 d_cg_rwy_local_v[1] = east;
679 d_cg_rwy_local_v[2] = above;
682 FG_VECTOR_3 d_cg_rwy_rwy_v; /* CG relative to rwy, in rwy coordinates */
683 inline double * get_D_cg_rwy_rwy_v() { return d_cg_rwy_rwy_v; }
684 inline double get_X_cg_rwy() const { return d_cg_rwy_rwy_v[0]; }
685 inline double get_Y_cg_rwy() const { return d_cg_rwy_rwy_v[1]; }
686 inline double get_H_cg_rwy() const { return d_cg_rwy_rwy_v[2]; }
687 inline void set_CG_Rwy_Rwy( double x, double y, double h )
689 d_cg_rwy_rwy_v[0] = x;
690 d_cg_rwy_rwy_v[1] = y;
691 d_cg_rwy_rwy_v[2] = h;
694 FG_VECTOR_3 d_pilot_rwy_local_v; /* pilot rel. to rwy in local coords */
695 inline double * get_D_pilot_rwy_local_v() { return d_pilot_rwy_local_v; }
696 inline double get_D_pilot_north_of_rwy() const {
697 return d_pilot_rwy_local_v[0];
699 inline double get_D_pilot_east_of_rwy() const {
700 return d_pilot_rwy_local_v[1];
702 inline double get_D_pilot_above_rwy() const {
703 return d_pilot_rwy_local_v[2];
705 inline void set_Pilot_Rwy_Local( double north, double east, double above )
707 d_pilot_rwy_local_v[0] = north;
708 d_pilot_rwy_local_v[1] = east;
709 d_pilot_rwy_local_v[2] = above;
712 FG_VECTOR_3 d_pilot_rwy_rwy_v; /* pilot rel. to rwy, in rwy coords. */
713 inline double * get_D_pilot_rwy_rwy_v() { return d_pilot_rwy_rwy_v; }
714 inline double get_X_pilot_rwy() const { return d_pilot_rwy_rwy_v[0]; }
715 inline double get_Y_pilot_rwy() const { return d_pilot_rwy_rwy_v[1]; }
716 inline double get_H_pilot_rwy() const { return d_pilot_rwy_rwy_v[2]; }
717 inline void set_Pilot_Rwy_Rwy( double x, double y, double h )
719 d_pilot_rwy_rwy_v[0] = x;
720 d_pilot_rwy_rwy_v[1] = y;
721 d_pilot_rwy_rwy_v[2] = h;
724 double climb_rate; /* in feet per second */
725 inline double get_Climb_Rate() const { return climb_rate; }
726 inline void set_Climb_Rate(double rate) { climb_rate = rate; }
730 extern fgFLIGHT cur_flight_params;
733 /* General interface to the flight model routines */
735 /* Initialize the flight model parameters */
736 int fgFlightModelInit(int model, fgFLIGHT& f, double dt);
738 /* Run multiloop iterations of the flight model */
739 int fgFlightModelUpdate(int model, fgFLIGHT& f, int multiloop);
741 /* Set the altitude (force) */
742 void fgFlightModelSetAltitude(int model, fgFLIGHT& f, double alt_meters);
745 #endif // _FLIGHT_HXX
749 // Revision 1.5 1998/12/04 01:29:40 curt
750 // Stubbed in a new flight model called "External" which is expected to be driven
751 // from some external source.
753 // Revision 1.4 1998/12/03 04:25:03 curt
754 // Working on fixing up new fgFLIGHT class.
756 // Revision 1.3 1998/12/03 01:16:41 curt
757 // Converted fgFLIGHT to a class.
759 // Revision 1.2 1998/10/16 23:27:41 curt
762 // Revision 1.1 1998/10/16 20:16:44 curt
763 // Renamed flight.[ch] to flight.[ch]xx
765 // Revision 1.20 1998/09/29 14:57:39 curt
766 // c++-ified comments.
768 // Revision 1.19 1998/09/29 02:02:41 curt
769 // Added a rate of climb calculation.
771 // Revision 1.18 1998/07/30 23:44:36 curt
772 // Beginning to add support for multiple flight models.
774 // Revision 1.17 1998/07/12 03:08:28 curt
775 // Added fgFlightModelSetAltitude() to force the altitude to something
776 // other than the current altitude. LaRCsim doesn't let you do this by just
777 // changing FG_Altitude.
779 // Revision 1.16 1998/04/22 13:26:20 curt
780 // C++ - ifing the code a bit.
782 // Revision 1.15 1998/04/21 16:59:33 curt
783 // Integrated autopilot.
784 // Prepairing for C++ integration.
786 // Revision 1.14 1998/02/07 15:29:37 curt
787 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
788 // <chotchkiss@namg.us.anritsu.com>
790 // Revision 1.13 1998/01/24 00:04:59 curt
793 // Revision 1.12 1998/01/22 02:59:32 curt
794 // Changed #ifdef FILE_H to #ifdef _FILE_H
796 // Revision 1.11 1998/01/19 19:27:03 curt
797 // Merged in make system changes from Bob Kuehne <rpk@sgi.com>
798 // This should simplify things tremendously.
800 // Revision 1.10 1997/12/10 22:37:43 curt
801 // Prepended "fg" on the name of all global structures that didn't have it yet.
802 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
804 // Revision 1.9 1997/09/04 02:17:33 curt
807 // Revision 1.8 1997/08/27 03:30:06 curt
808 // Changed naming scheme of basic shared structures.
810 // Revision 1.7 1997/07/23 21:52:19 curt
811 // Put comments around the text after an #endif for increased portability.
813 // Revision 1.6 1997/06/21 17:52:22 curt
814 // Continue directory shuffling ... everything should be compilable/runnable
817 // Revision 1.5 1997/06/21 17:12:49 curt
818 // Capitalized subdirectory names.
820 // Revision 1.4 1997/05/29 22:39:57 curt
821 // Working on incorporating the LaRCsim flight model.
823 // Revision 1.3 1997/05/29 02:32:25 curt
824 // Starting to build generic flight model interface.
826 // Revision 1.2 1997/05/23 15:40:37 curt
827 // Added GNU copyright headers.
829 // Revision 1.1 1997/05/16 16:04:45 curt