"A demo of the footsteps illusion" （kick-forward illusion用）(平行四辺形可能) made by Akiyoshi Kitaoka, August 17, 2021, April 29, 2026

draw objects in front draw objects behind

  upper object color A --- R:  G:  B:    lower object color B --- R:  G:  B:

  upper stripe color C --- R:  G:  B:    upper object color D --- R:  G:  B:

  upper stripe color E --- R:  G:  B:    upper object color F --- R:  G:  B:

//  object color:   upper stripe color:   lower stripe color:

  object size x:   y: pixel   縦ズレ   横ズレ

  object interval: pixel   x shift: pixel   width of a black stripe: pixel   lower row shift: pixel

  time interval: ms

(Please wait until the drawing is complete.)

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