Curl of a 3D noise vector potential - a divergence-free 3D flow field for
volumetric smoke / fluid motion. The three potential components reuse a single
sample at large, decorrelating offsets, and the flow is their curl,
∇ × psi, with derivatives taken by central differences of step eps.
Curl of a 3D noise vector potential - a divergence-free 3D flow field for volumetric smoke / fluid motion. The three potential components reuse a single
sampleat large, decorrelating offsets, and the flow is their curl,∇ × psi, with derivatives taken by central differences of stepeps.