static void draw(void)
{
static int count=0;
static char frbuf[80];
int i;
float fr,base,offset;
dojoy();
glEnable(GL_DEPTH_TEST);
/*
if(count & 1) {
glDepthRange(1.0,0.5);
glDepthFunc(GL_GREATER);
} else {
glDepthRange(0.0,0.5);
glDepthFunc(GL_LESS);
}
*/
/*glClear(GL_COLOR_BUFFER_BIT);*/
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
if(usetex)
glEnable(GL_TEXTURE_2D);
else
glDisable(GL_TEXTURE_2D);
if(fog)
glEnable(GL_FOG);
else
glDisable(GL_FOG);
glShadeModel(GL_SMOOTH);
glPushMatrix();
calcposobs();
gluLookAt(obs[0],obs[1],obs[2],
obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2],
0.0,0.0,1.0);
if(dir[0]>0) {
offset=8.0;
base=obs[0]-fmod(obs[0],8.0);
} else {
offset=-8.0;
base=obs[0]+(8.0-fmod(obs[0],8.0));
}
glPushMatrix();
glTranslatef(base-offset/2.0,0.0,0.0);
for(i=0;i<NUMBLOC;i++) {
glTranslatef(offset,0.0,0.0);
glBindTexture(GL_TEXTURE_2D,t1id);
drawobjs(striplength_skin_11,stripdata_skin_11);
glBindTexture(GL_TEXTURE_2D,t2id);
drawobjs(striplength_skin_12,stripdata_skin_12);
drawobjs(striplength_skin_9,stripdata_skin_9);
drawobjs(striplength_skin_13,stripdata_skin_13);
}
glPopMatrix();
glPopMatrix();
if((count % FRAME)==0) {
fr=gettime();
sprintf(frbuf,"Frame rate: %f",FRAME/fr);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_FOG);
glShadeModel(GL_FLAT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glColor3f(1.0,0.0,0.0);
glRasterPos2i(10,10);
printstring(GLUT_BITMAP_HELVETICA_18,frbuf);
glRasterPos2i(350,470);
printstring(GLUT_BITMAP_HELVETICA_10,"Tunnel V1.3 Written by David Bucciarelli ([email protected])");
if(help)
printhelp();
reshape(WIDTH,HEIGHT);
glutSwapBuffers();
count++;
}
static void
draw(void)
{
static char frbuf[80] = "";
int i;
float base, offset;
if (NiceFog)
glHint(GL_FOG_HINT, GL_NICEST);
else
glHint(GL_FOG_HINT, GL_DONT_CARE);
dojoy();
glClear(GL_COLOR_BUFFER_BIT);
if (usetex)
glEnable(GL_TEXTURE_2D);
else
glDisable(GL_TEXTURE_2D);
if (fog)
glEnable(GL_FOG);
else
glDisable(GL_FOG);
glShadeModel(GL_SMOOTH);
glPushMatrix();
calcposobs();
gluLookAt(obs[0], obs[1], obs[2],
obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2],
0.0, 0.0, 1.0);
if (dir[0] > 0) {
offset = 8.0;
base = obs[0] - fmod(obs[0], 8.0);
}
else {
offset = -8.0;
base = obs[0] + (8.0 - fmod(obs[0], 8.0));
}
glPushMatrix();
glTranslatef(base - offset / 2.0, 0.0, 0.0);
for (i = 0; i < NUMBLOC; i++) {
glTranslatef(offset, 0.0, 0.0);
glBindTexture(GL_TEXTURE_2D, t1id);
drawobjs(striplength_skin_11, stripdata_skin_11);
glBindTexture(GL_TEXTURE_2D, t2id);
drawobjs(striplength_skin_12, stripdata_skin_12);
drawobjs(striplength_skin_9, stripdata_skin_9);
drawobjs(striplength_skin_13, stripdata_skin_13);
}
glPopMatrix();
glPopMatrix();
glDisable(GL_TEXTURE_2D);
glDisable(GL_FOG);
glShadeModel(GL_FLAT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glColor3f(1.0, 0.0, 0.0);
glRasterPos2i(10, 10);
printstring(GLUT_BITMAP_HELVETICA_18, frbuf);
glRasterPos2i(350, 470);
printstring(GLUT_BITMAP_HELVETICA_10,
"Tunnel V1.5 Written by David Bucciarelli ([email protected])");
if (help)
printhelp();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glutSwapBuffers();
Frames++;
{
GLint t = glutGet(GLUT_ELAPSED_TIME);
if (t - T0 >= 2000) {
GLfloat seconds = (t - T0) / 1000.0;
GLfloat fps = Frames / seconds;
sprintf(frbuf, "Frame rate: %f", fps);
T0 = t;
Frames = 0;
}
}
}
