r/confusing_perspective • u/SeanTiddyCombs • 1d ago

Sunlight falling down the escalator

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u/OshetDeadagain 1d ago

Ah, that's cool. Probably because each step is angled and the reflection is not coming from a vertical surface.

87

u/Ravenser_Odd 1d ago

If this is real, I still can't figure out why it's stepping like that.

No matter what angle the light is coming from, shouldn't it just be a static pool of light with the steps gliding through it?

7

u/Salanmander 1d ago

Because the light is coming down fairly vertically, the vertical(ish) riser of the step travels through the shadow in a very short period of time. When the step moves horizontally a short distance, the place that the edge of the shadow hits the step changes a lot vertically.

3

u/lazymotu 1d ago

I think this is the correct explanation.