void setup()
{
  size(400, 500, P3D);
  background(10);
}

void draw()
{
  background(10);
//  pushMatrix();
  translate(width/2, height/2, 0);
  rotateZ(radians(mouseY));
  rotateY(radians(mouseX));
  translate(-width/2, -height/2, 0);
//  popMatrix();
  fill(255);
  smooth();
  noStroke();
  lights();
  pushMatrix(); // Save old origin settings
  translate(width/2, height/2, 0);
  sphereDetail(60);
  sphere(30);
  popMatrix(); // restore settings
  pushMatrix();
  translate(width/2, height/2 + 90, 0);
  fill(120, 230, 200);
  sphere(60);
  popMatrix();
}