OpenGL untuk membuat 2 benda yg berbeda.

Berikut ini adalah program OpenGL untuk membuat 2 benda yg berbeda.

Praktikum grafika 5.

#include <windows.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <stdarg.h>

#include <glut.h>

float _angel=45.0f;

void mydisplay()

{

glClear(GL_COLOR_BUFFER_BIT); //menghapus layar

glMatrixMode(GL_MODELVIEW);

glLoadIdentity();

glTranslatef(0.8f,0.8f,0.8f);

glScalef(2.0f,2.0f,2.0f);

glRotatef(_angel,0.0f,0.0f,1.0f);

glPushMatrix();

glBegin(GL_POLYGON);

glColor3f(1,0,0);

glVertex2f(-0.1, -0.1);

glVertex2f(-0.1, 0.1);

glVertex2f(0.1, 0.1);

glVertex2f(0.1, -0.1);

glEnd();

glPopMatrix();

glutSwapBuffers();

glMatrixMode(GL_MODELVIEW);

glLoadIdentity();

glTranslatef(0.0f,0.5f,0.0f);

glScalef(2.0f,2.0f,2.0f);

//glRotatef(_angel,0.0f,0.0f,1.0f);

glPushMatrix();

glBegin(GL_POLYGON);

glColor3f(1,1,1);

glVertex2f(-0.2, -0.2);

glVertex2f(-0.2, 0.2);

glVertex2f(0.2, 0.2);

glVertex2f(0.2, -0.2);

glEnd();

glPopMatrix();

glutSwapBuffers();

glFlush();

}

void update(int value){

       _angel +=-9.0f;

       if(_angel > 360){

                      _angel=-360;

       }

       glutPostRedisplay();

       glutTimerFunc(25,update,0);

}

int main(int argc, char** argv)

{

printf("Contoh Sederhana Kotak");

glutCreateWindow("Praktikum6");

glutDisplayFunc(mydisplay);

glutTimerFunc(25,update,0);

glutMainLoop();

}