boxNaxis.h

/* -*- Mode:C; Coding:us-ascii-unix; fill-column:132 -*- */
/**********************************************************************************************************************************/
/**
   @file      boxNaxis.h
   @author    Mitch Richling <http://www.mitchr.me>
   @Copyright Copyright 1997 by Mitch Richling.  All rights reserved.
   @brief     Build up geometry for a cube.@EOL
   @Keywords  none
   @Std       C89              
***********************************************************************************************************************************/

/**********************************************************************************************************************************/
#define RADIUS 1

/**********************************************************************************************************************************/
void computeGeometry() {
  /* Build our geometry up */
  glNewList(1, GL_COMPILE);
  glColor3f(1,1,1);
  glPointSize(10.0);

  /* Draw the x/y/z axis */
  glBegin(GL_LINE_STRIP);
  glColor3f(1, 0, 0);
  glVertex3f( 0, 0, 0);
  glVertex3f(1, 0, 0);
  glVertex3f( 0, 0, 0);

  glColor3f(0, 1, 0);
  glVertex3f( 0, 0, 0);
  glVertex3f(0, 1, 0);
  glVertex3f( 0, 0, 0);

  glColor3f(0, 0, 1);
  glVertex3f(0, 0,  0);
  glVertex3f(0, 0, 1);
  glEnd();

  /* Draw the box */
  glBegin(GL_LINE_STRIP);

  glColor3f(1, 1, 1);

  glVertex3f( 1, -1, -1);
  glVertex3f( 1,  1, -1);
  glVertex3f(-1,  1, -1);
  glVertex3f(-1, -1, -1);
  glVertex3f( 1, -1, -1);

  glVertex3f( 1, -1,  1);
  glVertex3f( 1,  1,  1);
  glVertex3f(-1,  1,  1);
  glVertex3f(-1, -1,  1);
  glVertex3f( 1, -1,  1);

  glVertex3f( 1,  1,  1);
  glVertex3f( 1,  1, -1);

  glVertex3f(-1,  1, -1);
  glVertex3f(-1,  1,  1);

  glVertex3f(-1, -1,  1);
  glVertex3f(-1, -1, -1);

  glEnd();

  glEndList();
} /* end func computeGeometry */