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add nz_worley2s

This commit is contained in:
Justin Lin 2020-03-29 10:17:41 +08:00
parent 563c458bbb
commit 4dee6fd080
2 changed files with 34 additions and 0 deletions

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use <experimental/nz_worley2s.scad>;
size = [100, 50];
dim = 5;
dist = "euclidean"; // [euclidean, manhattan, chebyshev]
seed = 5;
points = [
for(y = [0:size[1] - 1])
for(x = [0:size[0] - 1])
[x, y]
];
noises = nz_worley2s(size, points, seed, dim, dist);
max_dist = max(noises);
for(i = [0:len(noises) - 1]) {
c = noises[i] / max_dist;
color([c, c, c])
linear_extrude(c * max_dist)
translate(points[i])
square(1);
}

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use <util/rand.scad>;
use <experimental/_impl/_nz_worley2_comm.scad>;
function nz_worley2s(size, points, seed, dim = 3, dist = "euclidean") =
let(
sd = 6 + (is_undef(seed) ? floor(rand(0, 256)) : seed % 256),
// m*n pixels per grid
m = size[0] / dim,
n = size[1] / dim
)
[for(p = points) _nz_worley2(p, sd, dim, m, n, dist)];