LensDistortion
A radial lens distortion effect. Positive distortion values give a barrel (fisheye-like) look, negative values a pincushion look.
import { LensDistortion } from '@react-three/postprocessing'
return (
<LensDistortion
distortion={[0.5, 0.5]} // radial distortion coefficients
principalPoint={[0, 0]} // center offset
focalLength={[0.7, 0.7]} // lower values zoom in, hiding the black corners
skew={0} // skew in radians
/>
)