#define GLUT_DISABLE_ATEXIT_HACK
#include <windows.h>

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

#include <stdlib.h>
#include <cmath>

static int slices = 16;
static int stacks = 16;
static double uklX = 0;
static double uklY = 0;

/* GLUT callback Handlers */

static void resize(int width, int height)
{
    const float ar = (float) width / (float) height;

    glViewport(0, 0, width, height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
  //  glFrustum(-ar, ar, -1.0, 1.0, 2.0, 100.0);

    gluPerspective(60,ar,2.0,100.0);

}
float posx = 4;
float posz = 5;
float d = 0;
float f= 60;
float g1 = 90;
float g2 = 90;

static void display(void)
{
    const double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
    const double b = t*g1;
    const double a = t*g2;
    //for(double i = -50; i < 50; i += 0.01f) {
 glMatrixMode(GL_MODELVIEW);
    glLoadIdentity() ;
    gluLookAt(
        posx, 0, posz,
        0,0,-1,
        0,1,0);
     //   gluRotated
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glColor3d(0,1,d);

    glPushMatrix();
        glTranslated(cos(uklX),0,sin(uklY));
        glutSolidSphere(0.3,slices,stacks);
    glPopMatrix();

    glPushMatrix();
        glTranslated(1*cos(3*uklX+0.6),0,1*sin(3*uklY+0.6));
        glutSolidSphere(0.4,slices,stacks);
    glPopMatrix();

    glPushMatrix();
        glTranslated(3*cos(uklX+0.4),0,3*sin(uklY+0.4));
        glutSolidSphere(0.3,slices,stacks);
    glPopMatrix();

    glPushMatrix();
        glTranslated(4*cos(2*uklX + 0.2),0,4*sin(2*uklY+0.2));
        glutSolidSphere(0.4,slices,stacks);
    glPopMatrix();



    glutSwapBuffers();
   // }
}

static void key(unsigned char key, int x, int y)
{
    switch (key)
    {
        case 27 :
        case 'q':
            exit(0);
            break;

        case '+':
            slices++;
            stacks++;
            break;

        case '-':
            if (slices>3 && stacks>3)
            {
                slices--;
                stacks--;
            }
            break;
        case 'l':
                uklX += 0.1;
                uklY += 0.1;
                break;
        case 'r':
                uklX -= 0.1;
                uklY -= 0.1;
                break;


    }

    glutPostRedisplay();
}

static void idle(void)
{
    glutPostRedisplay();
}

const GLfloat light_ambient[]  = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat light_diffuse[]  = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };

const GLfloat mat_ambient[]    = { 0.1f, 0.1f, 0.1f, 1.0f };
const GLfloat mat_diffuse[]    = { 0.8f, 0.8f, 0.8f, 1.0f };
const GLfloat mat_specular[]   = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat high_shininess[] = { 100.0f };

void TimerFunction(int value) {
    glutPostRedisplay();
    glutTimerFunc(10, TimerFunction, 1);
    uklX += 0.1;
}


/* Program entry point */

int main(int argc, char *argv[])
{
    glutInit(&argc, argv);
    glutInitWindowSize(640,480);
    glutInitWindowPosition(10,10);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("GLUT Shapes");

    glutReshapeFunc(resize);
    glutDisplayFunc(display);
    glutKeyboardFunc(key);
    glutIdleFunc(idle);

    glClearColor(1,1,1,0);
    glEnable(GL_CULL_FACE);
    glCullFace(GL_BACK);

    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);

    glEnable(GL_LIGHT0);
    glEnable(GL_NORMALIZE);
    glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHTING);

    glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
    glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
    glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);

    glMaterialfv(GL_FRONT, GL_AMBIENT,   mat_ambient);
    glMaterialfv(GL_FRONT, GL_DIFFUSE,   mat_diffuse);
    glMaterialfv(GL_FRONT, GL_SPECULAR,  mat_specular);
    glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
    glutTimerFunc(10, TimerFunction, 1);
    glutMainLoop();

    return EXIT_SUCCESS;
}