Berikut adalah source code program untuk membuat danbo pada OpenGL dengan memanfaatkan objek 3D:
#include
#include
int w = 480, h = 480, z = -50;
int x1 = 0, y1 = 0, z1 = 0, sudut = 0;
void timer(int value) {
glutPostRedisplay();
glutTimerFunc(50,timer,0);
}
void myKeyboard(unsigned char key, int x, int y) {
if(key == 'a') z += 5; //mendekat
else if (key == 'd') z -= 5; //menjauh
else if (key == 'x') { //rotasi sumbu x
x1 = 1;
y1 = 0;
z1 = 0;
sudut += 5;
} else if (key == 'y') { //rotasi sumbu y
x1 = 0;
y1 = 1;
z1 = 0;
sudut += 5;
} else if (key == 'z') { //rotasi sumbu z
x1 = 0;
y1 = 0;
z1 = 1;
sudut += 5;
}
}
void init() {
glClearColor(0.0,0.0,0.0,1.0);
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(30., (GLdouble)w/(GLdouble)h, 1., 300.);
glMatrixMode(GL_MODELVIEW);
}
void resize(int w1, int h1) {
glViewport(0,0,w1,h1);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, (float)w1/(float)h1, 1.0, 300.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void balok(double panjang, double lebar, double
tinggi) {
glScalef(panjang, tinggi, lebar);
glutSolidCube(1);
}
void renderScene(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glClearColor(1,1,1,1);
glTranslatef(0, 0, z);
glRotatef(sudut, x1, y1, z1);
glPushMatrix(); //badan
glColor3f(1, 0, 1);
balok(10, 6, 9);
glPopMatrix();
glPushMatrix(); //kepala
glTranslatef(0, 9.5, 0);
glColor3f(1, 1, 0.9);
balok(15, 8, 10);
glPopMatrix();
glPushMatrix(); //mata kiri
glTranslatef(-2.2, 9.6, 4.1);
glRotatef(90, 0, 1, 0);
glColor3f(1, 1, 0);
glutSolidSphere(1, 2, 30);
glPopMatrix();
glPushMatrix(); //mata kanan
glTranslatef(2.2, 9.6, 4.1);
glRotatef(90, 0, 1, 0);
glColor3f(1, 1, 0);
glutSolidSphere(1, 2, 30);
glPopMatrix();
glPushMatrix(); //hidung
glTranslatef(0, 6.5, 4.1);
glRotatef(90, 0, 1, 0);
glRotatef(-90, 1, 0, 0);
glColor3f(0, 0, 0);
glutSolidCone(1.5, 2, 2, 2);
glPopMatrix();
glPushMatrix(); //tangan kiri
glTranslatef(-6.5, -0.5, 2.5);
glRotatef(-45, 1, 0, 0);
glColor3f(0, 0, 0);
balok(3, 3, 8);
glPopMatrix();
glPushMatrix(); //tangan
kanan
glTranslatef(6.5, -0.5, -2.5);
glRotatef(45, 1, 0, 0);
glColor3f(0, 0, 0);
balok(3, 3, 8);
glPopMatrix();
glPushMatrix(); //kaki kiri
glTranslatef(-2, -7, -0.5);
glRotatef(10, 1, 0, 0);
glColor3f(0, 0, 0);
balok(3, 3, 6);
glPopMatrix();
glPushMatrix(); //kaki kiri
glTranslatef(2, -7, 0.5);
glRotatef(-10, 1, 0, 0);
glColor3f(0, 0, 0);
balok(3, 3, 6);
glPopMatrix();
glutSwapBuffers();
}
void main(int argc, char **argv) {
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE |
GLUT_RGBA);
glutInitWindowPosition(100,100);
glutInitWindowSize(w,h);
glutCreateWindow("GRAFKOM
8");
gluOrtho2D(-w/2, w/2, -h/2, h/2);
glutDisplayFunc(renderScene);
glutTimerFunc(50, timer, 0);
glutKeyboardFunc(myKeyboard);
glutReshapeFunc(resize);
init();
glutMainLoop();
}
Berikut adalah screenshot program:
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