int i = 0;
float mx;
float my;
float mfx;
float mfy;
float deltax = 0;
float deltay = 0;
void setup()
{

  size(800, 800, P3D);
  background(200);
  lights();
  //translate(height/2, width/2 , 0);
  sphereDetail(9);
  sphere(height/4);
  frameRate(2);
}
void draw()
{
  pushMatrix();
  i=(i+1)%16;
  translate (height/2, width/2 , 0);
  rotateY(deltay*PI/64);
  rotateX(deltax*PI/64);
  sphereDetail(9);
  background(200);
  lights();
  rect (height/4,width/4,1.5*height/4,1.5*width/4);
  noStroke();
  //translate(height/2, width/2 , 0);
  sphere(height/4);
  popMatrix();
}
void mousePressed()
{
  pushMatrix();
  translate (height/2, width/2 , 0);
  mx=mouseX;
  my=mouseY;
  popMatrix();
}

void mouseDragged() 
{
  pushMatrix();
  translate (height/2, width/2 , 0);
  mfx=mouseX;
  mfy=mouseY;
  deltay = (mfx-mx)%128;
  deltax = (my - mfy)%128;
  popMatrix();
}