#include<windows.h>
#include <GL/glut.h>
#include <iostream>
using namespace std;
bool state = true;
float x = 0.0, y = 100.0;
void init(void)
{
    glClearColor(0.0, 0.0, 0.0, 0.0);

    glMatrixMode(GL_PROJECTION);

    gluOrtho2D(0.0, 800.0, 0.0, 800.0);
}

void drawShapes(void)
{
    glClear(GL_COLOR_BUFFER_BIT);

    cout << x << " " << y << " " << int(state) << endl;


    if(state)
    {
        if(x < 700 || y < 700)
        {
            x += 0.1;
            y += 0.1;
        }
        else
        {
            state = false;
        }
    }
    else
    {
        if(x > 0 || y > 100)
        {
            x -= 0.1;
            y -= 0.1;
        }
        else
        {
            state = true;
        }
    }


    glColor3f(1.0, 1.0, 1.0);
    glBegin(GL_QUADS);
        glVertex2i(x, y);
        glVertex2i(x+100, y);
        glVertex2i(x+100, y-100);
        glVertex2i(x, y-100);
    glEnd();

    glColor3f(1.0, 0.0, 0.0);
    glBegin(GL_QUADS);
        glVertex2i(x, 200);
        glVertex2i(x+100, 200);
        glVertex2i(x+100, 100);
        glVertex2i(x, 100);
    glEnd();

    glColor3f(0.0, 0.0, 1.0);
    glBegin(GL_QUADS);
        glVertex2i(100, y);
        glVertex2i(200, y);
        glVertex2i(200, y-100);
        glVertex2i(100, y-100);
    glEnd();

    glutPostRedisplay();

glFlush();

}
int main(int argc, char* argv[])
{

    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);

    glutInitWindowPosition(1200, 100);
    glutInitWindowSize(900, 900);
    glutCreateWindow("Four Stars");

    init();
    glutDisplayFunc(drawShapes);


    glutMainLoop();

    return 0;
}


/*  cout << x << endl;
    if(!state)
    {
        x += 0.1;
        if(x > 750)
        {
            state != state;
        }
    }
    else
    {
        x -= 0.1;
        if(x <= 1) state != state;
    }
*/