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Participant
August 6, 2026
Question

What's the most realistic way to replace the background of a recorded falling object so it appears to be landing in different scenarios?

  • August 6, 2026
  • 1 reply
  • 4 views

We recorded an object falling at 60fps that lands on the blue tape. It bounces slightly when it lands. I've rotoscoped the falling object out, but it occurred to me that it's not as easy as just swapping the background out with an image. The angle of the ground, shadows, etc. all factor into making something realistic. What's the best way to approach this?

 

    1 reply

    Community Manager
    August 6, 2026

    Hi Jack,

    Sorry you're running into this—it does sound like a challenging shot.

    I don't have a VFX background, but I have a feeling it's probably more involved than just swapping the background. I wonder if a lot of it comes down to matching the new scene as closely as possible—the ground angle, perspective, lighting, and maybe recreating any shadows that help sell the landing.

    If the camera is moving, it might also be worth seeing whether motion tracking or camera tracking would help, although I'm not sure how much that depends on the specific shot.

    Hopefully someone with more compositing experience can chime in, but those are the first things that came to mind. I'd be interested to hear what approach you end up taking.


    Thanks,
    Kevin