1
0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-01-16 21:58:26 +01:00
dotSCAD/docs/lib3x-nz_perlin3.md
2022-06-06 13:11:46 +08:00

32 lines
662 B
Markdown

# nz_perlin3
Returns the 3D [Perlin noise](https://en.wikipedia.org/wiki/Perlin_noise) value at the (x, y, z) coordinate.
**Since:** 2.3
## Parameters
- `x` : The x coordinate.
- `y` : The y coordinate.
- `z` : The z coordinate.
- `seed` : The random seed.
## Examples
use <util/rand.scad>
use <noise/nz_perlin3.scad>
seed = rand(0, 255);
noised = [
for(z = [0:.2:5], y = [0:.2:5], x = [0:.2:5])
[x, y, z, nz_perlin3(x, y, z, seed)]
];
for(nz = noised) {
if(nz[3] > 0.2) {
translate([nz.x, nz.y, nz.z])
cube(.2);
}
}
![nz_perlin3](images/lib3x-nz_perlin3-1.JPG)