void drawbox(float x, float y,float length,float height)
{
     GLfloat white[]={1.0f,1.0f,1.0f,1.0f};
     glTranslatef(x,y,0.0f);
     glScalef(length,height,0.0f);
     glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
     glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,128);
     glBegin(GL_QUADS);
     glVertex3f(0.0f,0.0f,0.0f);
     glVertex3f(0.075f,0.0f,0.0f);
     glVertex3f(0.075f,0.1f,0.0f);
     glVertex3f(0.0f,0.1f,0.0f);
     glEnd();
     glScalef(-length,-height,0.0f);
     glTranslatef(-x,-y,0.0f);
}
void render()
{
 
 gluLookAt(0.0f, 0.0f,1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
 glEnable(GL_DEPTH_TEST);
 GLfloat ambientLight[] = { 1.0f, 1.0f, 1.0f, 1.0f };
 GLfloat diffuseLight[] = { 0.0f, 0.0f, 0.8, 1.0f };
 GLfloat specularLight[] = { 0.5f, 0.5f, 0.5f, 1.0f };
 GLfloat position[] = { 0.0f, 2.0f,0.0f, 1.0f };
 GLfloat direction[]={0.0,-1.0,0.0};
 drawbox(0.0f,0.0f,2.0f,2.0f);
}