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Simplex FBM 2D

2D Simplex FBM. Smoother than the Perlin version and without its directional artefacts. The safest default in the 2D fractal family.

Simplex FBM 2D node

The Simplex FBM 2D node

When to use it

2D Simplex FBM. Smoother than the Perlin version and without its directional artefacts. The safest default in the 2D fractal family.

Pins

Pin Type Description
Frequency Number How tight the biggest layer is. Everything else is built on top of it.
Lacunarity Number How much smaller each layer gets. At 2 every layer is half the size of the one before.
Gain Number How much quieter each layer gets. Low is crisp, high is rough and grubby.
OffsetX Number Slide the pattern along X.
OffsetY Number Slide the pattern along Y.
Seed Whole Number Change this for a different pattern at the same settings.
Octaves Whole Number How many layers to stack. Past about 8 you are paying for detail finer than your voxels can show.
Pin Type Description
Result Number The stacked noise here, the same at every height.