OpenGL (GL_POLYGON, glutWire)

//
//  main.cpp
//  OpenGL-03
//
//  Created by Alexander Kevin on 3/16/16.
//  Copyright © 2016 Alexander Kevin. All rights reserved.
//

// CASE : https://www.dropbox.com/s/doa7j9llrzleqet/T00740020220154042Tugas%20dan%20Latihan%203.doc?dl=0
// .EXE : https://www.dropbox.com/s/k26cfr2iyet6qck/OpenGL-03?dl=0

#ifdef WIN32
#include <windows.h>
#endif

#include <stdlib.h>
#include <iostream>
#include <fstream>

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


void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glFlush();
}

void display_soal_satu()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glPushMatrix();
    glColor3f(1.0, 1.0, 1.0);
    glPushMatrix();
    glRotated(45, 0, 0, 1);
    glScalef(1, 4, 1);
    glutWireCube(2);
    glPopMatrix();
    glRotated(-45, 0, 0, 1);
    glScalef(1, 4, 1);
    glutWireCube(2);
    glPopMatrix();
    glFlush();
}

void display_soal_dua()
{
    glClear(GL_COLOR_BUFFER_BIT);

//   belakang
    glColor3f(1,0.6,0.8);
    glBegin(GL_POLYGON);

    glVertex3f(-1.25, 0, 0);
    //kiri atas
    glVertex3f(-2.8125, 1.5625, 0);
    glVertex3f(-1.5625, 2.8125, 0);

    glVertex3f(0, 1.25, 0);
    //kanan atas
    glVertex3f(1.5625, 2.8125, 0);
    glVertex3f(2.8125, 1.5625, 0);

    glVertex3f(1.25, 0, 0);
    //kanan bawah
    glVertex3f(2.8125, -1.5625, 0);
    glVertex3f(1.5625, -2.8125, 0);

    glVertex3f(0, -1.25, 0);
    //kanan bawah
    glVertex3f(-1.5625, -2.8125, 0);
    glVertex3f(-2.8125, -1.5625, 0);
    glEnd();

    //sisi sisi
    //kiri samping kiri (atas)
    glColor3f(0.9,0.5,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-2.8125, 1.5625, 1.0);
    glVertex3f(-1.25, 0, 1.0);
    glVertex3f(-1.25, 0, 0);
    glVertex3f(-2.8125, 1.5625, 0);
    glEnd();
    //kiri atas
    glColor3f(0.9,0.0,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-2.8125, 1.5625, 1.0);
    glVertex3f(-1.5625, 2.8125, 1.0);
    glVertex3f(-1.5625, 2.8125, 0);
    glVertex3f(-2.8125, 1.5625, 0);
    glEnd();
    //kiri samping kanan
    glColor3f(0.9,0.3,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-1.5625, 2.8125, 1.0);
    glVertex3f(0, 1.25, 1.0);
    glVertex3f(0, 1.25, 0);
    glVertex3f(-1.5625, 2.8125, 0);
    glEnd();

    //kanan samping kiri(atas)
    glColor3f(0.9,0.5,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(0, 1.25, 1.0);
    glVertex3f(0, 1.25, 0);
    glVertex3f(1.5625, 2.8125, 0);
    glVertex3f(1.5625, 2.8125, 1.0);
    glEnd();
    //kanan atas
    glColor3f(0.9,0.0,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(2.8125, 1.5625, 1.0);
    glVertex3f(1.5625, 2.8125, 1.0);
    glVertex3f(1.5625, 2.8125, 0);
    glVertex3f(2.8125, 1.5625, 0);
    glEnd();
    //kanan samping kanan
    glColor3f(0.9,0.3,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(2.8125, 1.5625, 1.0);
    glVertex3f(2.8125, 1.5625, 0);
    glVertex3f(1.25, 0, 0);
    glVertex3f(1.25, 0, 1.0);
    glEnd();

    //kanan samping kiri(bawah)
    glColor3f(0.9,0.3,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(0, -1.25, 1.0);
    glVertex3f(0, -1.25, 0);
    glVertex3f(1.5625, -2.8125, 0);
    glVertex3f(1.5625, -2.8125, 1.0);
    glEnd();
    //kanan atas
    glColor3f(0.9,0.0,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(2.8125, -1.5625, 1.0);
    glVertex3f(1.5625, -2.8125, 1.0);
    glVertex3f(1.5625, -2.8125, 0);
    glVertex3f(2.8125, -1.5625, 0);
    glEnd();
    //kanan samping kanan
    glColor3f(0.9,0.5,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(2.8125, -1.5625, 1.0);
    glVertex3f(2.8125, -1.5625, 0);
    glVertex3f(1.25, 0, 0);
    glVertex3f(1.25, 0, 1.0);
    glEnd();

    //kiri samping kiri (bawah)
    glColor3f(0.9,0.3,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-2.8125, -1.5625, 1.0);
    glVertex3f(-1.25, 0, 1.0);
    glVertex3f(-1.25, 0, 0);
    glVertex3f(-2.8125, -1.5625, 0);
    glEnd();
    //kiri atas
    glColor3f(0.9,0.0,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-2.8125, -1.5625, 1.0);
    glVertex3f(-1.5625, -2.8125, 1.0);
    glVertex3f(-1.5625, -2.8125, 0);
    glVertex3f(-2.8125, -1.5625, 0);
    glEnd();
    //kiri samping kanan
    glColor3f(0.9,0.5,1.0);
    glBegin(GL_POLYGON);
    glVertex3f(-1.5625, -2.8125, 1.0);
    glVertex3f(0, -1.25, 1.0);
    glVertex3f(0, -1.25, 0);
    glVertex3f(-1.5625, -2.8125, 0);
    glEnd();

    //depan
    glColor3f(1,0.6,1.0);
    glBegin(GL_POLYGON);

    glVertex3f(-1.25, 0, 1.0);
    //kiri atas
    glVertex3f(-2.8125, 1.5625, 1.0);
    glVertex3f(-1.5625, 2.8125, 1.0);

    glVertex3f(0, 1.25, 1.0);
    //kanan atas
    glVertex3f(1.5625, 2.8125, 1.0);
    glVertex3f(2.8125, 1.5625, 1.0);

    glVertex3f(1.25, 0, 1.0);
    //kanan bawah
    glVertex3f(2.8125, -1.5625, 1.0);
    glVertex3f(1.5625, -2.8125, 1.0);

    glVertex3f(0, -1.25, 1.0);
    //kanan bawah
    glVertex3f(-1.5625, -2.8125, 1.0);
    glVertex3f(-2.8125, -1.5625, 1.0);
    glEnd();
    glFlush();
}

void myinit()
{
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-5.0,5.0,-5.0,5.0,-5.0,5.0);
    glMatrixMode(GL_MODELVIEW);
    glClearColor(0.0,0.0,0.0,1.0);
    glColor3f(0.0,0.0,0.0);
    glShadeModel(GL_FLAT);
    glEnable(GL_DEPTH_TEST);
}
void kunci(unsigned char key, int x, int y)
{
    static int rot=0;
    switch (key)
    {
            /* aplikasi berhenti ketika tombol q ditekan */
        case 27 :
        case 'z':
            exit(0);
            break;
        case 'q':
            glRotated(5, 0,0,1);
            break;
        case 'e':
            glRotated(-5, 0,0,1);
            break;
        case 's':
            glRotated(5, 1,0,0);
            break;
        case 'a':
            glRotated(-5, 0,1,0);
            break;
        case 'w':
            glRotated(-5, 1,0,0);
            break;
        case 'd':
            glRotated(5, 0,1,0);
            break;
        case '1':
            glLoadIdentity();
            glutDisplayFunc(display_soal_satu);
            break;
        case '2':
            glLoadIdentity();
            glutDisplayFunc(display_soal_dua);
            break;
    }
    glutPostRedisplay();
}

int main(int argc, char* argv[])
{
    printf("Welcome,\n");
    printf("Press Keyboard\n");
    printf("(1) for WireCube X(Case 1)\n");
    printf("(2) for Polygon X(Case 2)\n");
    printf("for x-y-rotation use standart WASD (up,left,down,right)\n");
    printf("and q for left rotate and e for right z-rotation\n");
    printf("<press z to exit>\n");
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
    glutInitWindowSize(400,400);
    glutInitWindowPosition(100,100);
    glutCreateWindow("Kotak");
    glutDisplayFunc(display);
    myinit();
    glutKeyboardFunc(kunci);
    glutMainLoop();
    return 0;
}