Membuat Kubus 3D dengan OpenGL

Selamat sore gan.....
Di sini ane mau bantuin gimana cara bikin kubus 3D dengan menampilkan gambar yang berbeda di setiap sisinya. Caranya mudah saja kok, gak perlu pusing, yang pusing biar ane aja, ente tinggal copas doank boleh..... XD

Kayak gitu yang ane maksud kalo pada blom jelas.
Langkahnya gini, pertama buka dev C++ nya dulu. Pake visual juga gakpapa, tinggal ganti libraries nya aja...hehe

Nih ane langsung kasih source code-nya. Inget ya, pake dev C++ yang udah diinstall glut nya !!!
#include <iostream>       // Ini library-nya gan....
#include <stdlib.h>

#ifdef __APPLE__
#include <OpenGL/OpenGL.h>
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif

#include "imageloader.h"

using namespace std;

const float BOX_SIZE = 7.0f; //Panjang tiap sisi kubus
float _angle = 2;            //Rotasi terhadap box
GLuint _nathan1;           //ID OpenGL untuk tekstur
GLuint _nathan2;
GLuint _marcell3;
GLuint _marcell4;
GLuint _yoga5;
GLuint _yoga6;

void handleKeypress(unsigned char key, int x, int y) {
switch (key) {
case 27:             //Tekan Escape untuk EXIT
exit(0);
}
}

//Membuat gambar menjadi tekstur kemudian berikan ID pada tekstur
GLuint loadTexture(Image* image) {
GLuint textureId;
glGenTextures(1, &textureId);
glBindTexture(GL_TEXTURE_2D, textureId);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, image->width, image->height, 0, GL_RGB, GL_UNSIGNED_BYTE, image->pixels);
return textureId;
}

void initRendering() {
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING); glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
    Image* nathan1 = loadBMP("nathan1.bmp");         // ini tinggal ganti gambar sesuai keinginan agan.
    Image* nathan2 = loadBMP("nathan2.bmp");             Ingat judul harus sama persis dengan gambar
    Image* marcell3 = loadBMP("marcell3.bmp");           berformat bmp(340 x 602) di folder project agan.
    Image* marcell4 = loadBMP("marcell4.bmp");
    Image* yoga5 = loadBMP("yoga5.bmp");
    Image* yoga6 = loadBMP("yoga6.bmp");

_nathan1= loadTexture(nathan1);
_nathan2= loadTexture(nathan2);
_marcell3= loadTexture(marcell3);
_marcell4= loadTexture(marcell4);
_yoga5= loadTexture(yoga5);
_yoga6= loadTexture(yoga6);
delete nathan1;
}


void handleResize(int w, int h) {
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, (float)w / (float)h, 1.0, 200.0);
}

void drawScene() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

glMatrixMode(GL_MODELVIEW);
glLoadIdentity();

glTranslatef(0.0f, 0.0f, -20.0f);

GLfloat ambientLight[] = {0.3f, 0.3f, 0.3f, 1.0f};
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambientLight);

GLfloat lightColor[] = {0.7f, 0.7f, 0.7f, 1.0f};
GLfloat lightPos[] = {-2 * BOX_SIZE, BOX_SIZE, 4 * BOX_SIZE, 1.0f};
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);

glRotatef(-_angle, 30.0f, 10.0f, 20.0f);

glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _nathan1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);


//glBegin(GL_QUADS);

//Sisi atas
glTexCoord2f(0.0f, 0.0f);
glNormal3f(0.0, 1.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glEnd();

    //Sisi bawah
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _nathan2);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
    glTexCoord2f(0.0f, 0.0f);
glNormal3f(0.0, -1.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);
glEnd();

    //Sisi kiri
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _marcell3);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glNormal3f(-1.0, 0.0f, 0.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glEnd();

    //Sisi kanan
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _marcell4);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glNormal3f(1.0, 0.0f, 0.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);

glEnd();

//Sisi depan
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _yoga5);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glNormal3f(0.0, 0.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, BOX_SIZE / 2);
glEnd();

    //Sisi belakang
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _yoga6);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glNormal3f(0.0, 0.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(-BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, BOX_SIZE / 2, -BOX_SIZE / 2);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(BOX_SIZE / 2, -BOX_SIZE / 2, -BOX_SIZE / 2);

glEnd();
glDisable(GL_TEXTURE_2D);
glutSwapBuffers();
}


//Panggil setiap 25ms
void update(int value) {
_angle += 1.0f;                                      // arah rotasi
if (_angle > 360) {
_angle -= 360;
}
glutPostRedisplay();
glutTimerFunc(25, update, 0);
}

int main(int argc, char** argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(400, 400);

glutCreateWindow("672012193, 672012062, 672012218");
initRendering();
glutDisplayFunc(drawScene);
glutKeyboardFunc(handleKeypress);
glutReshapeFunc(handleResize);
glutTimerFunc(10, update, 0);             // kecepatan rotasi

glutMainLoop();
return 0;
}


Untuk lebih jelasnya, nih ane kasih project-nya :
Ini project-nya. Silahkan sedot gan..........


Nah, itulah hasil pusing ane gan. Jangan lupa cendolnya yaa......wkwkwkwk