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