exp005 - Influenza Map Visualization


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

/* I seem to need this for glGenBuffers as per
   http://www.gamedev.net/community/forums/topic.asp?topic_id=422358 */
#define GL_GLEXT_PROTOTYPES

#include "exp004geometry.h"
#include "exp004state0.h"
#include <GL/glut.h>

void
exp004geometry (GLenum mode)
{
  glMatrixMode (GL_MODELVIEW);
  glLoadIdentity ();

  glPointSize (0.1);
  glColor3f (0.2, 0.2, 0.2);

  if (mode == GL_SELECT)
    {
      for (int i = 0; i < ROWS; i++)
	{
	  glLoadName (i);
	  glDrawArrays (GL_POINTS, i, 1);
	}
    }
  else
    {
      glDrawArrays (GL_POINTS, 0, ROWS);
    }

  return;
}