1 /**************************************************************************
2 * tkglkey.c -- handle tkgl keyboard events
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 **************************************************************************/
32 #include "../aircraft/aircraft.h"
34 extern double fogDensity;
36 /* Handle keyboard events */
37 void GLUTkey(unsigned char k, int x, int y) {
38 struct control_params *c;
40 c = ¤t_aircraft.controls;
42 printf("Key hit = %d\n", k);
60 case 2 /* TK_PGDWN */:
64 c->throttle[0] -= 0.05;
67 c->throttle[0] += 0.05;
71 glFogf(GL_FOG_DENSITY, fogDensity);
72 printf("Fog density = %.4f\n", fogDensity);
76 glFogf(GL_FOG_DENSITY, fogDensity);
77 printf("Fog density = %.4f\n", fogDensity);
87 /* Revision 1.3 1997/05/23 15:40:25 curt
88 /* Added GNU copyright headers.
91 * Revision 1.2 1997/05/23 00:35:12 curt
92 * Trying to get fog to work ...
94 * Revision 1.1 1997/05/21 15:57:50 curt
95 * Renamed due to added GLUT support.
97 * Revision 1.2 1997/05/19 18:22:41 curt
98 * Parameter tweaking ... starting to stub in fog support.
100 * Revision 1.1 1997/05/16 16:05:51 curt