• fadeIn: how many frames to fade from nothing to full colour (constant)
• fadeInTicks: used to count down,
• fadeInOnce: true to only fade in at the start of the reel, otherwise fade in each time
• pauseStart: display the same start doodle for this many frames
• pauseStartTicks: count down from the value above
• pauseStartOnce: just as with fadeInOnce
• pauseEnd: frames to pause at the end of the reel
• pauseEndTicks: count down
• pauseEndCycles: how many times do we play the entire reel before we pause the last doodle of the reel
• fadeOut: 0,
• fadeOutTicks: count down from above
• fadeOutCycles: how many times do we play the entire reel before we fade out the last doodle of the reel
• cycles: keep count of how many times we get the the end of the reel

What, why, how