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Lenticular Printed Floor That Appears To Move As You Walk On It

Uses your eyes to fool your balance mechanisms to think you're walking on a moving surface.
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For a haunted house, you walk across these floor tiles that utilize linticular printing to give the effect of movement as your viewing angle changes when you walk across them.

So as you enter the room, the first angle shows, for instance, a rickety rope bridge over a massive canyon heaving precariously to the left, but as you move forward on it, it appears to swing to the right. There's no movement but your eyes might be tricked into thinking there is and walking across this as it appears to heave back and forth might be challenging in a giggle producing way.

Boat deck on a haunted pirate ship, a tightrope at the circus, maybe the ledge of a building during an earthquake.

doctorremulac3, Oct 19 2020

Luneburg microlens array
You could use this idea for more convincing illusion [xaviergisz, Oct 20 2020]

[link]






       foor: Americanized spelling of surname 'Fuhr'   

       Better put that in whutzisname's Hitlermagiggy noticer.
Sgt Teacup, Oct 19 2020
  

       Corrected, thanks sarge.
doctorremulac3, Oct 19 2020
  

       Less of that, Sergeant, or we'll introduce you to a couple of subordinates you won't be pleased to encounter; Corporal Punishment, and Private Suffering.   

       [+] for the idea, [doc].   

       How do you mitigate the inevitable scuffs and scratches from foot traffic ? Unless you install this in a mosque, you'll have to work around the problem that very few patrons are going to show up in carpet slippers or bring their bowling shoes...
8th of 7, Oct 20 2020
  

       //How do you mitigate the inevitable scuffs and scratches from foot traffic ? Unless you install this in a mosque, you'll have to work around the problem that very few patrons are going to show up in carpet slippers or bring their bowling shoes...//   

       You can have lenticular (and more generally microlens) arrays which are covered in a flat layer transparent. This typically requires the lenses to be made of a higher refractive index than available for polymers.
xaviergisz, Oct 20 2020
  

       //Corporal Punishment, and Private Suffering//   

       I'm surprised you left out General Mayhem.   

       Excellent idea Doc
AusCan531, Oct 20 2020
  

       He's having lunch with Col. Panic and Maj. Malfunction, obvs.
pertinax, Oct 20 2020
  

       //floor tiles that utilize linticular printing// - "linticular printing" is of course the embedding into the floor by passing foot-traffic of the lint fallout from a particularly active washer/dryer.
hippo, Oct 20 2020
  

       //How do you mitigate the inevitable scuffs and scratches from foot traffic ?//   

       I was thinking partons would show up in carpet slippers or bring their bowling shoes.   

       //very few patrons are going to show up in carpet slippers or bring their bowling shoes...//   

       Oh, right.
doctorremulac3, Oct 20 2020
  

       // partons would show up in carpet slippers //   

       So, just Dolly and her family ?
8th of 7, Oct 20 2020
  

       Any Parton would do.   

       And you know, I was thinking of cutting and pasting but I thought "You're too busy to be doing this stuff, people depend on you, just type it, that'll save time!"   

       I type incredibly fast and incredibly horribly. I don't even bother to look at those little red dots that say "What the hell is a ptaron?"
doctorremulac3, Oct 20 2020
  
      
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