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Justin Lin
2020-03-10 11:46:34 +08:00
parent 1cdb460901
commit ebe1ddffe5
1 changed files with 13 additions and 11 deletions
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24
examples/perlin_noise_cylinder.scad
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@@ -2,6 +2,7 @@ use <util/rand.scad>;
use <experimental/pnoise2s.scad>;
use <experimental/sf_solidify.scad>;
use <experimental/ptf_bend.scad>;
use <util/slice.scad>;
radius = 40;
height = 100;
@@ -9,8 +10,8 @@ thickness_scale = 1;
step = 4;
module perlin_noise_cylinder(radius, height, thickness_scale, step) {
size = [PI * radius, height];
size = [2 * PI * radius, height];
surface_inside = [
for(y = [0:step:size[1]])
concat(
@@ -21,11 +22,16 @@ module perlin_noise_cylinder(radius, height, thickness_scale, step) {
[[size[0] / 10, y / 10, 0]]
)
];
seed = rand(0, 256);
surface_outside = [
for(ri = [0:len(surface_inside) - 1])
let(ns = pnoise2s(surface_inside[ri], seed))
let(
row = surface_inside[ri],
leng_row = len(row),
row_for_noise = concat(slice(row, 0, leng_row - 1), [[0, row[leng_row - 1][1], 0]]),
ns = pnoise2s(row_for_noise, seed)
)
[
for(ci = [0:len(ns) - 1])
[surface_inside[ri][ci][0], surface_inside[ri][ci][1], thickness_scale * (ns[ci] + 1)]
@@ -37,21 +43,17 @@ module perlin_noise_cylinder(radius, height, thickness_scale, step) {
t_surface_outside = [
for(row = surface_outside)
[for(p = row)
ptf_bend(size_div_10, p, radius_div_10, 180)
ptf_bend(size_div_10, p, radius_div_10, 360)
]
];
t_surface_insde = [
for(row = surface_inside)
[for(p = row)
ptf_bend(size_div_10, p, radius_div_10, 180)
ptf_bend(size_div_10, p, radius_div_10, 360)
]
];
scale(10) {
sf_solidify(t_surface_outside, t_surface_insde);
mirror([0, 1, 0])
sf_solidify(t_surface_outside, t_surface_insde);
}
sf_solidify(t_surface_outside, t_surface_insde);
}
perlin_noise_cylinder(radius, height, thickness_scale, step);