perlin2D
perlin2D(
x,y,seed?):number
Defined in: src/modules/noise/noise.ts:247
Perlin gradient noise, 2D. Exactly 0 at every integer lattice point.
Gradients are unit-length, so the theoretical peak is sqrt(2)/2 — scaled
here so that peak fills [-1, 1]. In practice a wide sweep reaches roughly
0.9, since all four gradients rarely align with the sample at once.
Parameters
Section titled “Parameters”number
number
number = 0
Returns
Section titled “Returns”number