object moving by mouse click

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

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

using namespace std;

#include <GL/glut.h>

static GLfloat rectFirstPositionX=0.0f,rectFirstPositionY=20.0f,rectSecondPositionX=5.0f,rectSecondPositionY=15.0f;

static GLfloat xDiff=3,yDiff=3;

float xAxis=20.0,xPrimeAxis=-20,yAxis=20,yPrimeAxis=-20,zAxis=10,zPrimeAxis=-10;

int count = 0,direction=0; //direction=0=assending,,,,,,direction=1=dessending

void init(void)
{
    glClearColor(0.0,0.0,0.0,0.0);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glShadeModel(GL_FLAT);
    glOrtho(xPrimeAxis,xAxis,yPrimeAxis,yAxis,zPrimeAxis,zAxis);
}

void display(void)
{
    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();
    glColor3f(1,1.0,1.0);

    glBegin(GL_LINES);
    glVertex2f(0,yAxis);glVertex2f(0, yPrimeAxis);
    glVertex2f(10,yAxis);glVertex2f(10, yPrimeAxis);
    glEnd();
    glPopMatrix();

        glPushMatrix();
    //glTranslatef();
    glColor3f(0.05,0.5,0.1);
    glRectf(rectFirstPositionX,rectFirstPositionY,rectSecondPositionX,rectSecondPositionY);
    glPopMatrix();

    glutSwapBuffers();
}

void reshape(int w, int h)
{
    glViewport(0,0,(GLsizei)w,(GLsizei)h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-20.0,20.0,-20.0,20.0,-1.0,1.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

void spindisplay(void)
{
    glutPostRedisplay();
}

void mouse(int button, int state, int x, int y)
{
    if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)
    {
        count++;
        if(rectSecondPositionX <=10 && rectSecondPositionY >= -20 && direction==0)
        {
            if(rectSecondPositionX==10 && rectSecondPositionY <=-19)
            {
                direction=1;
                cout<<"do direction=1 "<<endl;
            }

            if(count%2==1)
            {
                cout<<"in 1st if"<<endl;
                rectFirstPositionX=rectFirstPositionX+5;
                rectFirstPositionY=rectFirstPositionY-5;

                rectSecondPositionX=rectSecondPositionX+5;
                rectSecondPositionY=rectSecondPositionY-5;
            }
            else if(count%2==0)
            {
                cout<<"in 1st else if"<<endl;
                rectFirstPositionX=rectFirstPositionX-5;
                rectFirstPositionY=rectFirstPositionY-5;

                rectSecondPositionX=rectSecondPositionX-5;
                rectSecondPositionY=rectSecondPositionY-5;
            }
        }
        else if(rectFirstPositionX >=0 && rectFirstPositionY <=20 && direction==1 )
        {

            if(rectFirstPositionX==0 && rectFirstPositionY >= 20)
            {
                direction=0;

                cout<<"do direction=0 "<<endl;
            }

            if(count%2==0)
            {
                cout<<"if count="<<count<<endl;


                rectFirstPositionX=rectFirstPositionX-5;
                rectFirstPositionY=rectFirstPositionY+5;

                rectSecondPositionX=rectSecondPositionX-5;
                rectSecondPositionY=rectSecondPositionY+5;
            }
            else if(count%2==1)
            {
                cout<<"---else if------- count="<<count<<endl;


                rectFirstPositionX=rectFirstPositionX+5;
                rectFirstPositionY=rectFirstPositionY+5;

                rectSecondPositionX=rectSecondPositionX+5;
                rectSecondPositionY=rectSecondPositionY+5;

                cout<<"rectFirstPositionX="<<rectFirstPositionX<<" "<<"rectFirstPositionY="<<rectFirstPositionY<<endl<<
                    "rectSecondPositionX="<<rectSecondPositionX<<" "<<"rectSecondPositionY="<<rectSecondPositionY<<endl;
            }
        }

    }
}

int main(int argc, char **argv)
{
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_RGB|GLUT_DOUBLE);
    glutInitWindowSize(500,500);
    glutInitWindowPosition(100,100);
    glutCreateWindow("Moving squares");
    init();
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutMouseFunc(mouse);
    glutIdleFunc(spindisplay);
    glutMainLoop();
}