static void display(void) {
char s[20];
static long fps;
/* Draw the scene */
scene_redraw();
glDisable(GL_LIGHTING);
/* Draw the displays */
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(-1.0, 1.0, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(-1.0, -1.0, 0.0);
glScalef(0.5, 0.5, 1.0);
drawAEGraph(getAzimuth(), getElevation());
glTranslatef(1.2, 0.0, 0.0);
drawCompass(getRoll());
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
/* Display fps */
sprintf(s, "%.2f", fps);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(-1.0, 1.0, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glColor3f(1.0, 1.0, 1.0);
glTranslatef(0.75, 0.9, 0.0);
glScalef(0.02, 0.02, 0.02);
draw_text(s);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
/* Re-enable lighting */
glEnable(GL_LIGHTING);
/* Use glFinish() so we don't spin the cube faster than we redraw */
glFinish();
glutSwapBuffers();
}
void display() {
glClearColor(0.0,0.0,0.0,0.0);
glClear(GL_COLOR_BUFFER_BIT);
glLoadIdentity();
// update maze offset
Vector2D temp = m_player->displayPos();
m_maze_offset_x = m_screen->width()/2 - temp.x;
m_maze_offset_y = m_screen->height()/2 - temp.y;
m_maze ->display(m_maze_offset_x,
m_maze_offset_y,
*m_screen);
m_player->display(m_maze_offset_x,
m_maze_offset_y,
*m_screen);
if(m_film_grain)
for(int i=0; i<m_screen->width(); i++)
for(int j=0; j<m_screen->height(); j++) {
if(rand()%m_film_grain_val!=1) continue;
float r = (rand()%30+1)/255.0;
Color3f c = m_screen->getPixel(i,j);
c = c * 1.5f;
m_screen->setPixel(i,j,c);
}
// draw compass
if(m_maze->hasDest()) {
drawCompass(3,3);
}
m_screen->render();
m_screen->clear();
if(m_show_data) {
char* fps = new char[30];
sprintf(fps,"F: %i N: %i",(int)m_fps,m_maze->size());
glColor3f(0.3,0.2,0.2);
glRasterPos2f(5,5);
for(int i=0; fps[i]; i++)
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18,fps[i]);
delete [] fps;
}
glutSwapBuffers();
}
