536 lines
11 KiB
C
536 lines
11 KiB
C
|
/*
|
||
|
|
* This program is under the GNU GPL.
|
||
|
|
* Use at your own risk.
|
||
|
|
*
|
||
|
|
* written by David Bucciarelli (tech.hmw@plus.it)
|
||
|
|
* Humanware s.r.l.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <math.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#ifdef WIN32
|
||
|
|
#include <windows.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <GL/glut.h>
|
||
|
|
#include "readtex.h"
|
||
|
|
#include "tunneldat.h"
|
||
|
|
|
||
|
|
#ifdef XMESA
|
||
|
|
#include "GL/xmesa.h"
|
||
|
|
static int fullscreen = 1;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int WIDTH = 640;
|
||
|
|
static int HEIGHT = 480;
|
||
|
|
|
||
|
|
static GLint T0 = 0;
|
||
|
|
static GLint Frames = 0;
|
||
|
|
static GLint NiceFog = 1;
|
||
|
|
|
||
|
|
#define NUMBLOC 5
|
||
|
|
|
||
|
|
#ifndef M_PI
|
||
|
|
#define M_PI 3.1415926535
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
extern int striplength_skin_13[];
|
||
|
|
extern float stripdata_skin_13[];
|
||
|
|
|
||
|
|
extern int striplength_skin_12[];
|
||
|
|
extern float stripdata_skin_12[];
|
||
|
|
|
||
|
|
extern int striplength_skin_11[];
|
||
|
|
extern float stripdata_skin_11[];
|
||
|
|
|
||
|
|
extern int striplength_skin_9[];
|
||
|
|
extern float stripdata_skin_9[];
|
||
|
|
*/
|
||
|
|
|
||
|
|
static int win = 0;
|
||
|
|
|
||
|
|
static float obs[3] = { 1000.0, 0.0, 2.0 };
|
||
|
|
static float dir[3];
|
||
|
|
static float v = 30.;
|
||
|
|
static float alpha = 90.0;
|
||
|
|
static float beta = 90.0;
|
||
|
|
|
||
|
|
static int fog = 1;
|
||
|
|
static int bfcull = 1;
|
||
|
|
static int usetex = 1;
|
||
|
|
static int cstrip = 0;
|
||
|
|
static int help = 1;
|
||
|
|
static int joyavailable = 0;
|
||
|
|
static int joyactive = 0;
|
||
|
|
|
||
|
|
static GLuint t1id, t2id;
|
||
|
|
|
||
|
|
static void
|
||
|
|
inittextures(void)
|
||
|
|
{
|
||
|
|
glGenTextures(1, &t1id);
|
||
|
|
glBindTexture(GL_TEXTURE_2D, t1id);
|
||
|
|
|
||
|
|
if (!LoadRGBMipmaps("../images/tile.rgb", GL_RGB)) {
|
||
|
|
fprintf(stderr, "Error reading a texture.\n");
|
||
|
|
exit(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
||
|
|
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
||
|
|
GL_LINEAR_MIPMAP_NEAREST);
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||
|
|
|
||
|
|
glGenTextures(1, &t2id);
|
||
|
|
glBindTexture(GL_TEXTURE_2D, t2id);
|
||
|
|
|
||
|
|
if (!LoadRGBMipmaps("../images/bw.rgb", GL_RGB)) {
|
||
|
|
fprintf(stderr, "Error reading a texture.\n");
|
||
|
|
exit(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
||
|
|
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
||
|
|
GL_LINEAR_MIPMAP_LINEAR);
|
||
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||
|
|
|
||
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
drawobjs(const int *l, const float *f)
|
||
|
|
{
|
||
|
|
int mend, j;
|
||
|
|
|
||
|
|
if (cstrip) {
|
||
|
|
float r = 0.33, g = 0.33, b = 0.33;
|
||
|
|
|
||
|
|
for (; (*l) != 0;) {
|
||
|
|
mend = *l++;
|
||
|
|
|
||
|
|
r += 0.33;
|
||
|
|
if (r > 1.0) {
|
||
|
|
r = 0.33;
|
||
|
|
g += 0.33;
|
||
|
|
if (g > 1.0) {
|
||
|
|
g = 0.33;
|
||
|
|
b += 0.33;
|
||
|
|
if (b > 1.0)
|
||
|
|
b = 0.33;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
glColor3f(r, g, b);
|
||
|
|
glBegin(GL_TRIANGLE_STRIP);
|
||
|
|
for (j = 0; j < mend; j++) {
|
||
|
|
f += 4;
|
||
|
|
glTexCoord2fv(f);
|
||
|
|
f += 2;
|
||
|
|
glVertex3fv(f);
|
||
|
|
f += 3;
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
for (; (*l) != 0;) {
|
||
|
|
mend = *l++;
|
||
|
|
|
||
|
|
glBegin(GL_TRIANGLE_STRIP);
|
||
|
|
for (j = 0; j < mend; j++) {
|
||
|
|
glColor4fv(f);
|
||
|
|
f += 4;
|
||
|
|
glTexCoord2fv(f);
|
||
|
|
f += 2;
|
||
|
|
glVertex3fv(f);
|
||
|
|
f += 3;
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
calcposobs(void)
|
||
|
|
{
|
||
|
|
static double t0 = -1.;
|
||
|
|
double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
|
||
|
|
if (t0 < 0.0)
|
||
|
|
t0 = t;
|
||
|
|
dt = t - t0;
|
||
|
|
t0 = t;
|
||
|
|
|
||
|
|
dir[0] = sin(alpha * M_PI / 180.0);
|
||
|
|
dir[1] = cos(alpha * M_PI / 180.0) * sin(beta * M_PI / 180.0);
|
||
|
|
dir[2] = cos(beta * M_PI / 180.0);
|
||
|
|
|
||
|
|
if (dir[0] < 1.0e-5 && dir[0] > -1.0e-5)
|
||
|
|
dir[0] = 0;
|
||
|
|
if (dir[1] < 1.0e-5 && dir[1] > -1.0e-5)
|
||
|
|
dir[1] = 0;
|
||
|
|
if (dir[2] < 1.0e-5 && dir[2] > -1.0e-5)
|
||
|
|
dir[2] = 0;
|
||
|
|
|
||
|
|
obs[0] += v * dir[0] * dt;
|
||
|
|
obs[1] += v * dir[1] * dt;
|
||
|
|
obs[2] += v * dir[2] * dt;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
special(int k, int x, int y)
|
||
|
|
{
|
||
|
|
switch (k) {
|
||
|
|
case GLUT_KEY_LEFT:
|
||
|
|
alpha -= 2.0;
|
||
|
|
break;
|
||
|
|
case GLUT_KEY_RIGHT:
|
||
|
|
alpha += 2.0;
|
||
|
|
break;
|
||
|
|
case GLUT_KEY_DOWN:
|
||
|
|
beta -= 2.0;
|
||
|
|
break;
|
||
|
|
case GLUT_KEY_UP:
|
||
|
|
beta += 2.0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
key(unsigned char k, int x, int y)
|
||
|
|
{
|
||
|
|
switch (k) {
|
||
|
|
case 27:
|
||
|
|
exit(0);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'a':
|
||
|
|
v += 5.;
|
||
|
|
break;
|
||
|
|
case 'z':
|
||
|
|
v -= 5.;
|
||
|
|
break;
|
||
|
|
|
||
|
|
#ifdef XMESA
|
||
|
|
case ' ':
|
||
|
|
fullscreen = (!fullscreen);
|
||
|
|
XMesaSetFXmode(fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
case 'j':
|
||
|
|
joyactive = (!joyactive);
|
||
|
|
break;
|
||
|
|
case 'h':
|
||
|
|
help = (!help);
|
||
|
|
break;
|
||
|
|
case 'f':
|
||
|
|
fog = (!fog);
|
||
|
|
break;
|
||
|
|
case 't':
|
||
|
|
usetex = (!usetex);
|
||
|
|
break;
|
||
|
|
case 'b':
|
||
|
|
if (bfcull) {
|
||
|
|
glDisable(GL_CULL_FACE);
|
||
|
|
bfcull = 0;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
glEnable(GL_CULL_FACE);
|
||
|
|
bfcull = 1;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'm':
|
||
|
|
cstrip = (!cstrip);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'd':
|
||
|
|
fprintf(stderr, "Deleting textures...\n");
|
||
|
|
glDeleteTextures(1, &t1id);
|
||
|
|
glDeleteTextures(1, &t2id);
|
||
|
|
fprintf(stderr, "Loading textures...\n");
|
||
|
|
inittextures();
|
||
|
|
fprintf(stderr, "Done.\n");
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
NiceFog = !NiceFog;
|
||
|
|
printf("NiceFog %d\n", NiceFog);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
glutPostRedisplay();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
reshape(int w, int h)
|
||
|
|
{
|
||
|
|
WIDTH = w;
|
||
|
|
HEIGHT = h;
|
||
|
|
glMatrixMode(GL_PROJECTION);
|
||
|
|
glLoadIdentity();
|
||
|
|
gluPerspective(80.0, w / (float) h, 1.0, 50.0);
|
||
|
|
glMatrixMode(GL_MODELVIEW);
|
||
|
|
glLoadIdentity();
|
||
|
|
glViewport(0, 0, w, h);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
printstring(void *font, char *string)
|
||
|
|
{
|
||
|
|
int len, i;
|
||
|
|
|
||
|
|
len = (int) strlen(string);
|
||
|
|
for (i = 0; i < len; i++)
|
||
|
|
glutBitmapCharacter(font, string[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
printhelp(void)
|
||
|
|
{
|
||
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
|
glColor4f(0.0, 0.0, 0.0, 0.5);
|
||
|
|
glRecti(40, 40, 600, 440);
|
||
|
|
|
||
|
|
glColor3f(1.0, 0.0, 0.0);
|
||
|
|
glRasterPos2i(300, 420);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Help");
|
||
|
|
|
||
|
|
glRasterPos2i(60, 390);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "h - Toggle Help");
|
||
|
|
glRasterPos2i(60, 360);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "t - Toggle Textures");
|
||
|
|
glRasterPos2i(60, 330);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "f - Toggle Fog");
|
||
|
|
glRasterPos2i(60, 300);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "m - Toggle strips");
|
||
|
|
glRasterPos2i(60, 270);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "b - Toggle Back face culling");
|
||
|
|
glRasterPos2i(60, 240);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "Arrow Keys - Rotate");
|
||
|
|
glRasterPos2i(60, 210);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "a - Increase velocity");
|
||
|
|
glRasterPos2i(60, 180);
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24, "z - Decrease velocity");
|
||
|
|
|
||
|
|
glRasterPos2i(60, 150);
|
||
|
|
if (joyavailable)
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24,
|
||
|
|
"j - Toggle jostick control (Joystick control available)");
|
||
|
|
else
|
||
|
|
printstring(GLUT_BITMAP_TIMES_ROMAN_24,
|
||
|
|
"(No Joystick control available)");
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
dojoy(void)
|
||
|
|
{
|
||
|
|
#ifdef WIN32
|
||
|
|
static UINT max[2] = { 0, 0 };
|
||
|
|
static UINT min[2] = { 0xffffffff, 0xffffffff }, center[2];
|
||
|
|
MMRESULT res;
|
||
|
|
JOYINFO joy;
|
||
|
|
|
||
|
|
res = joyGetPos(JOYSTICKID1, &joy);
|
||
|
|
|
||
|
|
if (res == JOYERR_NOERROR) {
|
||
|
|
joyavailable = 1;
|
||
|
|
|
||
|
|
if (max[0] < joy.wXpos)
|
||
|
|
max[0] = joy.wXpos;
|
||
|
|
if (min[0] > joy.wXpos)
|
||
|
|
min[0] = joy.wXpos;
|
||
|
|
center[0] = (max[0] + min[0]) / 2;
|
||
|
|
|
||
|
|
if (max[1] < joy.wYpos)
|
||
|
|
max[1] = joy.wYpos;
|
||
|
|
if (min[1] > joy.wYpos)
|
||
|
|
min[1] = joy.wYpos;
|
||
|
|
center[1] = (max[1] + min[1]) / 2;
|
||
|
|
|
||
|
|
if (joyactive) {
|
||
|
|
if (fabs(center[0] - (float) joy.wXpos) > 0.1 * (max[0] - min[0]))
|
||
|
|
alpha -=
|
||
|
|
2.0 * (center[0] - (float) joy.wXpos) / (max[0] - min[0]);
|
||
|
|
if (fabs(center[1] - (float) joy.wYpos) > 0.1 * (max[1] - min[1]))
|
||
|
|
beta += 2.0 * (center[1] - (float) joy.wYpos) / (max[1] - min[1]);
|
||
|
|
|
||
|
|
if (joy.wButtons & JOY_BUTTON1)
|
||
|
|
v += 0.01;
|
||
|
|
if (joy.wButtons & JOY_BUTTON2)
|
||
|
|
v -= 0.01;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
joyavailable = 0;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
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 (tech.hmw@plus.it)");
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
idle(void)
|
||
|
|
{
|
||
|
|
glutPostRedisplay();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int ac, char **av)
|
||
|
|
{
|
||
|
|
float fogcolor[4] = { 0.7, 0.7, 0.7, 1.0 };
|
||
|
|
|
||
|
|
fprintf(stderr,
|
||
|
|
"Tunnel V1.5\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
|
||
|
|
|
||
|
|
glutInitWindowPosition(0, 0);
|
||
|
|
glutInitWindowSize(WIDTH, HEIGHT);
|
||
|
|
glutInit(&ac, av);
|
||
|
|
|
||
|
|
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
|
||
|
|
|
||
|
|
if (!(win = glutCreateWindow("Tunnel"))) {
|
||
|
|
fprintf(stderr, "Error, couldn't open window\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
glMatrixMode(GL_PROJECTION);
|
||
|
|
glLoadIdentity();
|
||
|
|
gluPerspective(80.0, WIDTH / (float) HEIGHT, 1.0, 50.0);
|
||
|
|
|
||
|
|
glMatrixMode(GL_MODELVIEW);
|
||
|
|
|
||
|
|
glShadeModel(GL_SMOOTH);
|
||
|
|
glDisable(GL_DEPTH_TEST);
|
||
|
|
glEnable(GL_CULL_FACE);
|
||
|
|
glEnable(GL_TEXTURE_2D);
|
||
|
|
|
||
|
|
glEnable(GL_FOG);
|
||
|
|
glFogi(GL_FOG_MODE, GL_EXP2);
|
||
|
|
glFogfv(GL_FOG_COLOR, fogcolor);
|
||
|
|
|
||
|
|
glFogf(GL_FOG_DENSITY, 0.06);
|
||
|
|
glHint(GL_FOG_HINT, GL_NICEST);
|
||
|
|
|
||
|
|
inittextures();
|
||
|
|
|
||
|
|
glClearColor(fogcolor[0], fogcolor[1], fogcolor[2], fogcolor[3]);
|
||
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
||
|
|
|
||
|
|
calcposobs();
|
||
|
|
|
||
|
|
glutReshapeFunc(reshape);
|
||
|
|
glutDisplayFunc(draw);
|
||
|
|
glutKeyboardFunc(key);
|
||
|
|
glutSpecialFunc(special);
|
||
|
|
glutIdleFunc(idle);
|
||
|
|
|
||
|
|
glEnable(GL_BLEND);
|
||
|
|
/*glBlendFunc(GL_SRC_ALPHA_SATURATE,GL_ONE); */
|
||
|
|
/*glEnable(GL_POLYGON_SMOOTH); */
|
||
|
|
|
||
|
|
glutMainLoop();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|