//#include <windows.h>
#include <stdlib.h>
#include <GL/glut.h>
#include <math.h>


#define XMaxOkna 500
#define YMaxOkna 500
#define XPozycjaOkna 100
#define YPozycjaOkna 100

using namespace std;

char tekst[] = "Laboratorium 11";

#define ANIM_FPS 40
#define M_PI_NA_180 M_PI/180

GLenum glPolygonModeFace[3]= {GL_FRONT,GL_BACK,GL_FRONT_AND_BACK};
GLenum glPolygonModeMode[3]= {GL_LINE, GL_POINT, GL_FILL};
int glPolyFace =0;
int glPolyMode =0;
int glCullFaceFace =0;

int i=0;
float kat=0;
float r=0.4;
float traX = 0.5;
float traY = 0;

GLfloat rotA = 0;
GLfloat rotX = 0;
GLfloat rotY = 0;

GLfloat scaX = 0.1;
GLfloat scaY = 0.1;
GLfloat scaZ = 0.1;


void displaySzescian() {
    glBegin (GL_QUADS);

    glColor3f (0,1,0);
    glVertex3f (-1.0, -1.0, 1.0);
    glVertex3f (-1.0, 1.0, 1.0);
    glVertex3f (1.0, 1.0, 1.0);
    glVertex3f (1.0, -1.0, 1.0);

    glColor3f (1,1,0);
    glVertex3f (1.0, 1.0, -1.0);
    glVertex3f (-1.0, 1.0, -1.0);
    glVertex3f (-1.0, -1.0, -1.0);
    glVertex3f (1.0, -1.0, -1.0);

    glColor3f (0,0,1);
    glVertex3f (1.0, 1.0, -1.0);
    glVertex3f (1.0, 1.0, 1.0);
    glVertex3f (-1.0, 1.0, 1.0);
    glVertex3f (-1.0, 1.0, -1.0);

    glColor3f (1,0,0);
    glVertex3f (-1.0, -1.0, -1.0);
    glVertex3f (-1.0, -1.0, 1.0);
    glVertex3f (1.0, -1.0, 1.0);
    glVertex3f (1.0, -1.0, -1.0);

    glColor3f (0,1,1);
    glVertex3f (1.0, 1.0, -1.0);
    glVertex3f (1.0, -1.0, -1.0);
    glVertex3f (1.0, -1.0, 1.0);
    glVertex3f (1.0, 1.0, 1.0);

    glColor3f (1,1,1);
    glVertex3f (-1.0, -1.0, 1.0);
    glVertex3f (-1.0, -1.0, -1.0);
    glVertex3f (-1.0, 1.0, -1.0);
    glVertex3f (-1.0, 1.0, 1.0);

    glEnd ();
}

void rysuj(GLfloat a, GLfloat b) {
    glPushMatrix();
    glTranslatef (a,b,0);
    glRotatef (rotA,rotX,rotY,0);
    glScalef (scaX,scaY,scaZ);
    displaySzescian();
    glPopMatrix();
}

void display() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glMatrixMode (GL_MODELVIEW);
    glLoadIdentity();
    glEnable(GL_DEPTH_TEST);
    glCullFace(glPolygonModeFace[glCullFaceFace]);
    glPolygonMode(glPolygonModeFace[glPolyFace],glPolygonModeMode[glPolyMode]);
    rysuj(traX,traY);
    glFlush();
    glutSwapBuffers();
}

void reshape(int w, int h) {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    //gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);
    glOrtho (-10, 10, -10, 10, 10, 10);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
};

void keyboard (unsigned char key, int x, int y) {
    switch(key) {
    case 'q':
        if (scaX>0.2) scaX-=0.1;
        break;
    case 'w':
        if (scaX<0.3) scaX+=0.1;
        break;
    case 'e':
        if (scaY>0.2) scaY-=0.1;
        break;
    case 'r':
        if (scaY<0.3) scaY+=0.1;
        break;
    case 't':
        if (scaZ>0.2) scaZ-=0.1;
        break;
    case 'y':
        if (scaZ<0.3) scaZ+=0.1;
        break;
    case 'a':
        glPolyFace=0;
        break;
    case 's':
        glPolyFace=1;
        break;
    case 'd':
        glPolyFace=2;
        break;
    case 'f':
        glPolyMode=0;
        break;
    case 'g':
        glPolyMode=1;
        break;
    case 'h':
        glPolyMode=2;
        break;
    case 'z':
        glEnable(GL_CULL_FACE);
        break;
    case 'x':
        glDisable(GL_CULL_FACE);
        break;
    case 'c':
        glCullFaceFace=0;
        break;
    case 'v':
        glCullFaceFace=1;
        break;
    case 'b':
        glCullFaceFace=2;
        break;
    default:
        return;
    }
    display();
};

void idle() {
    rotA++;
    rotX++;
    rotY++;
    i+=1;
    kat = i * M_PI_NA_180;
    traX = r * cos(kat);
    traY = r * sin(kat);
    glutPostRedisplay();
}

void timer(int val) {
    rotA++;
    rotX++;
    rotY++;
    i+=1;
    kat = i * M_PI_NA_180;
    traX = r * cos(kat);
    traY = r * sin(kat);
    glutPostRedisplay();
    glutTimerFunc(1000/ANIM_FPS, timer, 0);
};

int main(int argc,char *argv[]) {
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
    glutInitWindowSize(XMaxOkna, YMaxOkna);
    glutInitWindowPosition(XPozycjaOkna,YPozycjaOkna);
    glutCreateWindow(tekst);
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutKeyboardFunc(keyboard);

    //glutIdleFunc(idle);

    glutTimerFunc(1000/ANIM_FPS, timer, 0);

    glutMainLoop();
    return 0;
}