// method to draw the menu
void menu()
{
  noStroke();
  fill(255);
  
  rect(img[activeImg].width+1,0,menuWidth,height);
  image(menu,img[activeImg].width+29,30);
  
  noFill();
  for(int i = 0; i < img.length; i++)
  {
    if(i == activeImg)
      stroke(100);
    else
      stroke(200);
    image(imgThumb[i],img[activeImg].width+29+i*39,57);
    rect(img[activeImg].width+29+i*39,57,34,34);
  }
  
  speedSlider.draw();
  lengthSlider.draw();
  
  stroke(200);
  noFill();
  
  if(ai)
    rect(img[activeImg].width+27,147,13,13);
  if(reproduction)
    rect(img[activeImg].width+27,171,13,13);
  if(outline)
    rect(img[activeImg].width+27,195,13,13);
  if(come)
    rect(img[activeImg].width+27,255,14,13);
  if(loupe)
    rect(img[activeImg].width+27,279,13,13);
  if(showStatistic)
    rect(img[activeImg].width+27,327,13,13);
}