Renamed due to added GLUT support.
This commit is contained in:
parent
784dcd9039
commit
a104d9c820
7 changed files with 703 additions and 17 deletions
70
Main/GLTKkey.c
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70
Main/GLTKkey.c
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/**************************************************************************
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* tkglkey.c -- handle tkgl keyboard events
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*
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* Written by Curtis Olson, started May 1997.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#include <stdio.h>
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/* assumes -I/usr/include/mesa in compile command */
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#include "gltk.h"
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#include "GLTKkey.h"
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#include "../aircraft/aircraft.h"
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/* Handle keyboard events */
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GLenum GLTKkey(int k, GLenum mask) {
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struct control_params *c;
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c = ¤t_aircraft.controls;
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switch (k) {
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case TK_UP:
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c->elev -= 0.1;
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return GL_TRUE;
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case TK_DOWN:
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c->elev += 0.1;
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return GL_TRUE;
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case TK_LEFT:
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c->aileron += 0.01;
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return GL_TRUE;
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case TK_RIGHT:
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c->aileron -= 0.01;
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return GL_TRUE;
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case 1 /* TK_END */:
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c->rudder -= 0.01;
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return GL_TRUE;
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case 2 /* TK_PGDWN */:
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c->rudder += 0.01;
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return GL_TRUE;
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case TK_a:
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c->throttle[0] -= 0.05;
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return GL_TRUE;
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case TK_s:
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c->throttle[0] += 0.05;
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case TK_ESCAPE:
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tkQuit();
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}
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printf("Key hit = %d\n", k);
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return GL_FALSE;
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}
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/* $Log$
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/* Revision 1.1 1997/05/21 15:57:49 curt
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/* Renamed due to added GLUT support.
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/*
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* Revision 1.2 1997/05/19 18:22:41 curt
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* Parameter tweaking ... starting to stub in fog support.
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*
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* Revision 1.1 1997/05/16 16:05:51 curt
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* Initial revision.
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*
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*/
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35
Main/GLTKkey.h
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35
Main/GLTKkey.h
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/**************************************************************************
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* tkglkey.h -- handle tkgl keyboard events
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*
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* Written by Curtis Olson, started May 1997.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#ifndef GLTKKEY_H
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#define GLTKKEY_H
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/* assumes -I/usr/include/mesa in compile command */
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#include "gltk.h"
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/* Handle keyboard events */
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GLenum GLTKkey(int k, GLenum mask);
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#endif GLTKKEY_H
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/* $Log$
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/* Revision 1.1 1997/05/21 15:57:49 curt
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/* Renamed due to added GLUT support.
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/*
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* Revision 1.2 1997/05/17 00:17:34 curt
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* Trying to stub in support for standard OpenGL.
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*
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* Revision 1.1 1997/05/16 16:05:53 curt
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* Initial revision.
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*
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*/
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68
Main/GLUTkey.c
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68
Main/GLUTkey.c
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/**************************************************************************
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* tkglkey.c -- handle tkgl keyboard events
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*
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* Written by Curtis Olson, started May 1997.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#include <stdio.h>
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#include <GL/glut.h>
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#include "GLUTkey.h"
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#include "../aircraft/aircraft.h"
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/* Handle keyboard events */
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void GLUTkey(unsigned char k, int x, int y) {
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struct control_params *c;
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c = ¤t_aircraft.controls;
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printf("Key hit = %d\n", k);
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switch (k) {
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case GLUT_KEY_UP:
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c->elev -= 0.1;
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return;
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case GLUT_KEY_DOWN:
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c->elev += 0.1;
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return;
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case GLUT_KEY_LEFT:
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c->aileron += 0.01;
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return;
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case GLUT_KEY_RIGHT:
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c->aileron -= 0.01;
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return;
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case 1 /* TK_END */:
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c->rudder -= 0.01;
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return;
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case 2 /* TK_PGDWN */:
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c->rudder += 0.01;
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return;
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case 3:
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c->throttle[0] -= 0.05;
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return;
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case 4:
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c->throttle[0] += 0.05;
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case 27: /* ESC */
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exit(0);
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}
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}
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/* $Log$
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/* Revision 1.1 1997/05/21 15:57:50 curt
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/* Renamed due to added GLUT support.
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/*
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* Revision 1.2 1997/05/19 18:22:41 curt
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* Parameter tweaking ... starting to stub in fog support.
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*
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* Revision 1.1 1997/05/16 16:05:51 curt
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* Initial revision.
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*
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*/
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39
Main/GLUTkey.h
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39
Main/GLUTkey.h
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/**************************************************************************
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* GLUTkey.h -- handle GLUT keyboard events
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*
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* Written by Curtis Olson, started May 1997.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#ifndef GLUTKEY_H
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#define GLUTKEY_H
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#ifdef GLUT
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#include <GL/glut.h>
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#elif TIGER
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/* assumes -I/usr/include/mesa in compile command */
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#include "gltk.h"
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#endif
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/* Handle keyboard events */
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void GLUTkey(unsigned char k, int x, int y);
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#endif GLUTKEY_H
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/* $Log$
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/* Revision 1.1 1997/05/21 15:57:51 curt
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/* Renamed due to added GLUT support.
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/*
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* Revision 1.2 1997/05/17 00:17:34 curt
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* Trying to stub in support for standard OpenGL.
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*
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* Revision 1.1 1997/05/16 16:05:53 curt
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* Initial revision.
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*
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*/
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312
Main/GLmain.c
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312
Main/GLmain.c
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/**************************************************************************
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* GLmain.c -- top level sim routines
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*
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* Written by Curtis Olson for OpenGL, started May 1997.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#ifdef GLUT
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#include <GL/glut.h>
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#include "GLUTkey.h"
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#elif MESA_TK
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/* assumes -I/usr/include/mesa in compile command */
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#include "gltk.h"
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#include "GLTKkey.h"
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#endif
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#include "../aircraft/aircraft.h"
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#include "../scenery/scenery.h"
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/* This is a record containing all the info for the aircraft currently
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being operated */
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struct aircraft_params current_aircraft;
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/* temporary hack */
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extern struct mesh *mesh_ptr;
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/* Function prototypes */
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GLint make_mesh();
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static void draw_mesh();
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/* view parameters */
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static GLfloat win_ratio = 1.0;
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/* pointer to terrain mesh structure */
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static GLint mesh;
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/* init_view() -- Setup view parameters */
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static void init_view() {
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/* if the 4th field is 0.0, this specifies a direction ... */
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static GLfloat pos[4] = {-3.0, 1.0, 3.0, 0.0 };
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static GLfloat fogColor[4] = {0.5, 0.5, 0.5, 1.0};
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glLightfv( GL_LIGHT0, GL_POSITION, pos );
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glEnable( GL_CULL_FACE );
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glEnable( GL_LIGHTING );
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glEnable( GL_LIGHT0 );
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glEnable( GL_DEPTH_TEST );
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glEnable( GL_FOG );
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glFogi (GL_FOG_MODE, GL_LINEAR);
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/* glFogf (GL_FOG_START, 1.0); */
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glFogf (GL_FOG_END, 1000.0);
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glFogfv (GL_FOG_COLOR, fogColor);
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glFogf (GL_FOG_DENSITY, 0.04);
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glHint(GL_FOG_HINT, GL_FASTEST);
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glClearColor(0.6, 0.6, 0.9, 1.0);
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}
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/* init_scene() -- build all objects */
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static void init_scene() {
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/* make terrain mesh */
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mesh = make_mesh();
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/* If enabled, normal vectors specified with glNormal are scaled
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to unit length after transformation. See glNormal. */
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glEnable( GL_NORMALIZE );
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}
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/* create the terrain mesh */
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GLint make_mesh() {
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GLint mesh;
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mesh = mesh_to_ogl(mesh_ptr);
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return(mesh);
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}
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/* create the terrain mesh */
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GLint make_mesh_old() {
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GLint mesh;
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static GLfloat color[4] = { 0.3, 0.7, 0.2, 1.0 };
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mesh = glGenLists(1);
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glNewList(mesh, GL_COMPILE);
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glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, color );
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glShadeModel( GL_FLAT ); /* glShadeModel( GL_SMOOTH ); */
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glBegin(GL_POLYGON);
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glVertex3f(-10.0, -10.0, 0.0);
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glVertex3f(0.0, -10.0, 0.0);
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glVertex3f(0.0, 0.0, 1.0);
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glVertex3f(-10.0, 0.0, 1.0);
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glEnd();
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glBegin(GL_POLYGON);
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glVertex3f(-10.0, 0.0, 1.0);
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glVertex3f(0.0, 0.0, 1.0);
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glVertex3f(0.0, 10.0, 0.0);
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glVertex3f(-10.0, 10.0, 0.0);
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glEnd();
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glBegin(GL_POLYGON);
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glVertex3f(0.0, 0.0, 0.0);
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glVertex3f(10.0, 0.0, 2.0);
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glVertex3f(10.0, 10.0, 2.0);
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glVertex3f(0.0, 10.0, 0.0);
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glEnd();
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glBegin(GL_POLYGON);
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glVertex3f(0.0, -10.0, -1.0);
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glVertex3f(10.0, -10.0, 0.0);
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glVertex3f(10.0, 0.0, -1.0);
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glVertex3f(0.0, 0.0, 0.0);
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glEnd();
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glEndList();
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return(mesh);
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}
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/* update the view volume */
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static void update_view() {
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struct flight_params *f;
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f = ¤t_aircraft.flight;
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/* Tell GL we are about to modify the projection parameters */
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(45.0, 1.0/win_ratio, 1.0, 6000.0);
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gluLookAt(f->pos_x, f->pos_y, f->pos_z,
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f->pos_x + cos(f->Psi), f->pos_y + sin(f->Psi), f->pos_z,
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0.0, 0.0, 1.0);
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}
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/* draw the scene */
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static void draw_scene( void ) {
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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/* update view volume parameters */
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update_view();
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/* Tell GL we are switching to model view parameters */
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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/* glTranslatef(0.0, 0.0, -5.0); */
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glPushMatrix();
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/* draw terrain mesh */
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draw_mesh();
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glPopMatrix();
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#ifdef GLUT
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glutSwapBuffers();
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#elif MESA_TK
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tkSwapBuffers();
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#endif
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}
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/* draw the terrain mesh */
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static void draw_mesh() {
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glCallList(mesh);
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}
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/* What should we do when we have nothing else to do? How about get
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* ready for the next move?*/
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static void idle( void )
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{
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slew_update();
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aircraft_debug(1);
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draw_scene();
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}
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/* new window size or exposure */
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static void reshape( int width, int height ) {
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/* Do this so we can call reshape(0,0) ourselves without having to know
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* what the values of width & height are. */
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if ( (height > 0) && (width > 0) ) {
|
||||||
|
win_ratio = (GLfloat) height / (GLfloat) width;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Inform gl of our view window size */
|
||||||
|
glViewport(0, 0, (GLint)width, (GLint)height);
|
||||||
|
|
||||||
|
update_view();
|
||||||
|
|
||||||
|
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/**************************************************************************
|
||||||
|
* Main ...
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
int main( int argc, char *argv[] ) {
|
||||||
|
/* parse the scenery file */
|
||||||
|
parse_scenery(argv[1]);
|
||||||
|
|
||||||
|
#ifdef GLUT
|
||||||
|
/* initialize GLUT */
|
||||||
|
glutInit(&argc, argv);
|
||||||
|
|
||||||
|
/* Define initial window size */
|
||||||
|
glutInitWindowSize(640, 400);
|
||||||
|
|
||||||
|
/* Define Display Parameters */
|
||||||
|
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
|
||||||
|
|
||||||
|
/* Initialize the main window */
|
||||||
|
glutCreateWindow("Terrain Demo");
|
||||||
|
#elif MESA_TK
|
||||||
|
/* Define initial window size */
|
||||||
|
tkInitPosition(0, 0, 640, 400);
|
||||||
|
|
||||||
|
/* Define Display Parameters */
|
||||||
|
tkInitDisplayMode( TK_RGB | TK_DEPTH | TK_DOUBLE | TK_DIRECT );
|
||||||
|
|
||||||
|
/* Initialize the main window */
|
||||||
|
if (tkInitWindow("Terrain Demo") == GL_FALSE) {
|
||||||
|
tkQuit();
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* setup view parameters, only makes GL calls */
|
||||||
|
init_view();
|
||||||
|
|
||||||
|
/* build all objects */
|
||||||
|
init_scene();
|
||||||
|
|
||||||
|
/* Set initial position and slew parameters */
|
||||||
|
/* slew_init(-398391.3, 120070.4, 244, 3.1415); */ /* GLOBE Airport */
|
||||||
|
slew_init(-398673.28,120625.64, 53, 4.38);
|
||||||
|
|
||||||
|
#ifdef GLUT
|
||||||
|
/* call reshape() on window resizes */
|
||||||
|
glutReshapeFunc( reshape );
|
||||||
|
|
||||||
|
/* call key() on keyboard event */
|
||||||
|
glutKeyboardFunc( GLUTkey );
|
||||||
|
glutSpecialFunc( GLUTkey );
|
||||||
|
|
||||||
|
/* call idle() whenever there is nothing else to do */
|
||||||
|
glutIdleFunc( idle );
|
||||||
|
|
||||||
|
/* draw the scene */
|
||||||
|
glutDisplayFunc( draw_scene );
|
||||||
|
|
||||||
|
/* pass control off to the GLUT event handler */
|
||||||
|
glutMainLoop();
|
||||||
|
#elif MESA_TK
|
||||||
|
/* call reshape() on expose events */
|
||||||
|
tkExposeFunc( reshape );
|
||||||
|
|
||||||
|
/* call reshape() on window resizes */
|
||||||
|
tkReshapeFunc( reshape );
|
||||||
|
|
||||||
|
/* call key() on keyboard event */
|
||||||
|
tkKeyDownFunc( GLTKkey );
|
||||||
|
|
||||||
|
/* call idle() whenever there is nothing else to do */
|
||||||
|
tkIdleFunc( idle );
|
||||||
|
|
||||||
|
/* draw the scene */
|
||||||
|
tkDisplayFunc( draw_scene );
|
||||||
|
|
||||||
|
/* pass control off to the tk event handler */
|
||||||
|
tkExec();
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* $Log$
|
||||||
|
/* Revision 1.1 1997/05/21 15:57:51 curt
|
||||||
|
/* Renamed due to added GLUT support.
|
||||||
|
/*
|
||||||
|
* Revision 1.3 1997/05/19 18:22:42 curt
|
||||||
|
* Parameter tweaking ... starting to stub in fog support.
|
||||||
|
*
|
||||||
|
* Revision 1.2 1997/05/17 00:17:34 curt
|
||||||
|
* Trying to stub in support for standard OpenGL.
|
||||||
|
*
|
||||||
|
* Revision 1.1 1997/05/16 16:05:52 curt
|
||||||
|
* Initial revision.
|
||||||
|
*
|
||||||
|
*/
|
|
@ -10,20 +10,48 @@
|
||||||
|
|
||||||
TARGET=viewer
|
TARGET=viewer
|
||||||
|
|
||||||
CFILES = gltkmain.c gltkkey.c mesh2ogl.c
|
CC = gcc
|
||||||
|
|
||||||
|
# STD_FLAGS = -O2 -Wall
|
||||||
|
STD_CFLAGS = -g -Wall
|
||||||
|
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------
|
||||||
|
# Define the high level GL interface library
|
||||||
|
#---------------------------------------------------------------------------
|
||||||
|
|
||||||
|
# For GLUT
|
||||||
|
INTERFACE_FLAGS = -DGLUT
|
||||||
|
INTERFACE_LIBS = -lglut
|
||||||
|
INTERFACE_FILES = GLUTkey.c
|
||||||
|
|
||||||
|
# For MESA_TK (Tk interface to Mesa)
|
||||||
|
# INCLUDES = -I/usr/include/mesa
|
||||||
|
# INTERFACE_FLAGS = -DMESA_TK
|
||||||
|
# INTERFACE_LIBS = -L/usr/lib/mesa -lMesatk
|
||||||
|
# INTERFACE_FILES = GLTKkey.c
|
||||||
|
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------
|
||||||
|
# Define main GL libraries
|
||||||
|
#---------------------------------------------------------------------------
|
||||||
|
|
||||||
|
# For OpenGL
|
||||||
|
GRAPHICS_LIBS = -lGLU -lGL -lXmu -lX11
|
||||||
|
|
||||||
|
# For Mesa
|
||||||
|
# MESA_LIBS = -L/usr/lib/mesa -lMesaaux -lMesatk -lMesaGLU -lMesaGL
|
||||||
|
# X11_LIBS = -L/usr/X11R6/lib -lXext -lXmu -lXi -lX11
|
||||||
|
# GRAPHICS_LIBS = $(MESA_LIBS) $(X11_LIBS)
|
||||||
|
|
||||||
|
|
||||||
|
CFLAGS = $(STD_CFLAGS) $(INTERFACE_FLAGS)
|
||||||
|
LIBS = $(INTERFACE_LIBS) $(GRAPHICS_LIBS) -lm -lfl
|
||||||
|
|
||||||
|
CFILES = GLmain.c $(INTERFACE_FILES) mesh2GL.c
|
||||||
OFILES = $(CFILES:.c=.o)
|
OFILES = $(CFILES:.c=.o)
|
||||||
AFILES = ../flight/libflight.a ../aircraft/libaircraft.a ../scenery/libscenery.a
|
AFILES = ../flight/libflight.a ../aircraft/libaircraft.a ../scenery/libscenery.a
|
||||||
|
|
||||||
CC = gcc
|
|
||||||
CFLAGS = -g -Wall
|
|
||||||
# CFLAGS = -O2 -Wall
|
|
||||||
|
|
||||||
INCLUDES = -I/usr/include/mesa
|
|
||||||
|
|
||||||
MESA_LIBS = -L/usr/lib/mesa -lMesaaux -lMesatk -lMesaGLU -lMesaGL
|
|
||||||
X11_LIBS = -L/usr/X11R6/lib -lX11 -lXext
|
|
||||||
LIBS = $(MESA_LIBS) $(X11_LIBS) -lm -lfl
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#---------------------------------------------------------------------------
|
#---------------------------------------------------------------------------
|
||||||
|
@ -43,18 +71,24 @@ clean:
|
||||||
# Secondary Targets
|
# Secondary Targets
|
||||||
#---------------------------------------------------------------------------
|
#---------------------------------------------------------------------------
|
||||||
|
|
||||||
gltkmain.o: gltkmain.c gltkkey.h ../aircraft/aircraft.h ../scenery/scenery.h
|
GLmain.o: GLmain.c GLUTkey.h ../aircraft/aircraft.h ../scenery/scenery.h
|
||||||
$(CC) $(CFLAGS) $(INCLUDES) -c gltkmain.c
|
$(CC) $(CFLAGS) $(INCLUDES) -c GLmain.c
|
||||||
|
|
||||||
gltkkey.o: gltkkey.c gltkkey.h ../aircraft/aircraft.h
|
GLUTkey.o: GLUTkey.c GLUTkey.h ../aircraft/aircraft.h
|
||||||
$(CC) $(CFLAGS) $(INCLUDES) -c gltkkey.c
|
$(CC) $(CFLAGS) $(INCLUDES) -c GLUTkey.c
|
||||||
|
|
||||||
mesh2ogl.o: mesh2ogl.c ../scenery/mesh.h
|
GLTKkey.o: GLTKkey.c GLTKkey.h ../aircraft/aircraft.h
|
||||||
$(CC) $(CFLAGS) $(INCLUDES) -c mesh2ogl.c
|
$(CC) $(CFLAGS) $(INCLUDES) -c GLTKkey.c
|
||||||
|
|
||||||
|
mesh2GL.o: mesh2GL.c ../scenery/mesh.h
|
||||||
|
$(CC) $(CFLAGS) $(INCLUDES) -c mesh2GL.c
|
||||||
|
|
||||||
|
|
||||||
#---------------------------------------------------------------------------
|
#---------------------------------------------------------------------------
|
||||||
# $Log$
|
# $Log$
|
||||||
|
# Revision 1.2 1997/05/21 15:57:52 curt
|
||||||
|
# Renamed due to added GLUT support.
|
||||||
|
#
|
||||||
# Revision 1.1 1997/05/16 16:05:51 curt
|
# Revision 1.1 1997/05/16 16:05:51 curt
|
||||||
# Initial revision.
|
# Initial revision.
|
||||||
#
|
#
|
||||||
|
|
128
Main/mesh2GL.c
Normal file
128
Main/mesh2GL.c
Normal file
|
@ -0,0 +1,128 @@
|
||||||
|
/**************************************************************************
|
||||||
|
* mesh2ogl.c -- walk through a mesh data structure and make ogl calls
|
||||||
|
*
|
||||||
|
* Written by Curtis Olson, started May 1997.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
* (Log is kept at end of this file)
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef GLUT
|
||||||
|
#include <GL/glut.h>
|
||||||
|
#elif TIGER
|
||||||
|
/* assumes -I/usr/include/mesa in compile command */
|
||||||
|
#include "gltk.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "../scenery/mesh.h"
|
||||||
|
#include "mat3.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* Sets the first vector to be the cross-product of the last two
|
||||||
|
vectors. */
|
||||||
|
static void mat3_cross_product(float result_vec[3], register float vec1[3],
|
||||||
|
register float vec2[3]) {
|
||||||
|
float tempvec[3];
|
||||||
|
register float *temp = tempvec;
|
||||||
|
|
||||||
|
temp[0] = vec1[1] * vec2[2] - vec1[2] * vec2[1];
|
||||||
|
temp[1] = vec1[2] * vec2[0] - vec1[0] * vec2[2];
|
||||||
|
temp[2] = vec1[0] * vec2[1] - vec1[1] * vec2[0];
|
||||||
|
|
||||||
|
MAT3_COPY_VEC(result_vec, temp);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* walk through mesh and make ogl calls */
|
||||||
|
GLint mesh_to_ogl(struct mesh *m) {
|
||||||
|
GLint mesh;
|
||||||
|
static GLfloat color[4] = { 0.3, 0.7, 0.2, 1.0 };
|
||||||
|
|
||||||
|
float x1, y1, x2, y2, z11, z12, z21, z22;
|
||||||
|
float v1[3], v2[3], normal[3];
|
||||||
|
int i, j, istep, jstep, iend, jend;
|
||||||
|
float temp;
|
||||||
|
|
||||||
|
istep = jstep = 10; /* Detail level 1 -- 1200 ... */
|
||||||
|
|
||||||
|
mesh = glGenLists(1);
|
||||||
|
glNewList(mesh, GL_COMPILE);
|
||||||
|
glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, color );
|
||||||
|
glShadeModel( GL_FLAT ); /* glShadeModel( GL_SMOOTH ); */
|
||||||
|
|
||||||
|
iend = m->cols - 1;
|
||||||
|
jend = m->rows - 1;
|
||||||
|
|
||||||
|
y1 = m->originy;
|
||||||
|
y2 = y1 + (m->col_step * istep);
|
||||||
|
|
||||||
|
for ( i = 0; i < iend; i += istep ) {
|
||||||
|
x1 = m->originx;
|
||||||
|
x2 = x1 + (m->row_step * jstep);
|
||||||
|
for ( j = 0; j < jend; j += jstep ) {
|
||||||
|
z11 = 0.03 * m->mesh_data[j * m->rows + i ];
|
||||||
|
z12 = 0.03 * m->mesh_data[j * m->rows + (i+istep)];
|
||||||
|
z21 = 0.03 * m->mesh_data[(j+jstep) * m->rows + i ];
|
||||||
|
z22 = 0.03 * m->mesh_data[(j+jstep) * m->rows + (i+istep)];
|
||||||
|
|
||||||
|
/* printf("x1 = %f y1 = %f\n", x1, y1);
|
||||||
|
printf("x2 = %f y2 = %f\n", x2, y2);
|
||||||
|
printf("z11 = %f z12 = %f z21 = %f z22 = %f\n",
|
||||||
|
z11, z12, z21, z22); */
|
||||||
|
|
||||||
|
v1[0] = x2 - x1; v1[1] = 0; v1[2] = z21 - z11;
|
||||||
|
v2[0] = x2 - x1; v2[1] = y2 - y1; v2[2] = z22 - z11;
|
||||||
|
mat3_cross_product(normal, v1, v2);
|
||||||
|
MAT3_NORMALIZE_VEC(normal,temp);
|
||||||
|
glNormal3fv(normal);
|
||||||
|
glBegin(GL_POLYGON);
|
||||||
|
glVertex3f(x1, y1, z11);
|
||||||
|
glVertex3f(x2, y1, z21);
|
||||||
|
glVertex3f(x2, y2, z22);
|
||||||
|
/* printf("(%f, %f, %f)\n", x1, y1, z11);
|
||||||
|
printf("(%f, %f, %f)\n", x2, y1, z21);
|
||||||
|
printf("(%f, %f, %f)\n", x2, y2, z22); */
|
||||||
|
glEnd();
|
||||||
|
|
||||||
|
v1[0] = x2 - x1; v1[1] = y2 - y1; v1[2] = z22 - z11;
|
||||||
|
v2[0] = 0; v2[1] = y2 - y1; v2[2] = z12 - z11;
|
||||||
|
mat3_cross_product(normal, v1, v2);
|
||||||
|
MAT3_NORMALIZE_VEC(normal,temp);
|
||||||
|
glNormal3fv(normal);
|
||||||
|
glBegin(GL_POLYGON);
|
||||||
|
glVertex3f(x1, y1, z11);
|
||||||
|
glVertex3f(x2, y2, z22);
|
||||||
|
glVertex3f(x1, y2, z12);
|
||||||
|
/* printf("(%f, %f, %f)\n", x1, y1, z11);
|
||||||
|
printf("(%f, %f, %f)\n", x2, y2, z22);
|
||||||
|
printf("(%f, %f, %f)\n", x1, y2, z12); */
|
||||||
|
glEnd();
|
||||||
|
|
||||||
|
x1 = x2;
|
||||||
|
x2 = x1 + (m->row_step * jstep);
|
||||||
|
}
|
||||||
|
y1 = y2;
|
||||||
|
y2 = y1 + (m->col_step * istep);
|
||||||
|
}
|
||||||
|
|
||||||
|
glEndList();
|
||||||
|
|
||||||
|
return(mesh);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* $Log$
|
||||||
|
/* Revision 1.1 1997/05/21 15:57:52 curt
|
||||||
|
/* Renamed due to added GLUT support.
|
||||||
|
/*
|
||||||
|
* Revision 1.3 1997/05/19 18:22:42 curt
|
||||||
|
* Parameter tweaking ... starting to stub in fog support.
|
||||||
|
*
|
||||||
|
* Revision 1.2 1997/05/17 00:17:35 curt
|
||||||
|
* Trying to stub in support for standard OpenGL.
|
||||||
|
*
|
||||||
|
* Revision 1.1 1997/05/16 16:05:52 curt
|
||||||
|
* Initial revision.
|
||||||
|
*
|
||||||
|
*/
|
Loading…
Add table
Reference in a new issue