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Bass Barrel applied to FRCTL's test image: Radial bulge or pinch warp. Map warp to B2/B3; map snap exponent to B1 for drop spikes.

Pulse & motion effect

Bass Barrel

Radial bulge or pinch warp. Map warp to B2/B3; map snap exponent to B1 for drop spikes.

Runs live on video, images, a camera or generated art. Stack it with any other effect, and route LFOs, envelopes or any of ten audio bands to its controls so it moves with the music.

Controls

Warp
Fisheye / barrel displacement strength.
Snap
Extra hit sharpness via pow(amount, …) weight.
Pinch
Blend from bulge (low) toward pinch (high); center is neutral.