In-Camera Whip Pan Cut — effect skill for cuts & pacing

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End shot A and start shot B with real fast pans in the same direction, and cut inside the motion blur.

What it does

Built on Whip Pan Cut by HeyGen (HyperFrames), Apache-2.0. The write-up and recipes below are varg's.

The image streaks sideways into a blur and comes out of the same blur in a new place.

When: Travel, energy reels, time jumps, "meanwhile" moments; shoot both whips at the same speed and direction.

Watch out: Pans in opposite directions or at different speeds break the illusion.

Timing: Cut in the 2–4 blurriest frames; whole whip 6–10 frames at 30 fps

Also called: whip pan cut, swish pan, flash pan, whip transition (shot)

In FFmpeg

Cut on the blurriest frames; add synthetic horizontal blur around the cut to merge the two whips:

ffmpeg -i a.mp4 -i b.mp4 -filter_complex \
"[0:v][1:v]concat=n=2:v=1:a=0,gblur=sigma=30:sigmaV=0:enable='between(t,3.9,4.1)'[v]" -map "[v]" out.mp4

(sigmaV=0 blurs horizontally only; A is 4 s long here.)

In HyperFrames

whip-pan-cut primitive (matched velocity, capped directional motion blur) or the whip-pan shader block.

In Remotion

Hard cut in <Series>; for footage without real whips use remocn whipPan() as a presentation.

In CapCut

Cut both clips at the blurriest frames; add a Blur effect for 2–3 frames over the cut, or use a whip-style transition (see the Whip Swipe card).

Ready-made components

Where this comes from

Use when

Not for

Install

Example output

https://s3.varg.ai/how-to/previews/2767af908738/take-in-camera-whip-cut.mp4 — whip between two shots, with the timeline strip of the edit. Footage: Coffee Run (2020), Blender Studio | studio.blender.org, CC BY 4.0; Coffee Run (2020), Blender Studio | studio.blender.org, CC BY 4.0. (credit: Rendered by varg · Coffee Run (2020))

More cuts & pacing skills

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