code: public void setPosition(float x, float y, float z)
      {
          if (isEnabled())
          {
              position.set(x, y, z);
          }
      }
docs: This call sets the position of the {@link GVRCursorController}.
  
  Use this call to also set an initial position for the Cursor when a new
  {@link GVRCursorController} is selected.
  
  @param x the x value of the position.
  @param y the y value of the position.
  @param z the z value of the position.