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refactor: vt multi

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Justin Lin
2022-04-18 16:57:08 +08:00
parent f62079f334
commit 4031fee5bb
1 changed files with 7 additions and 6 deletions
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13
src/util/rands_disk.scad
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@@ -1,21 +1,22 @@
function rands_disk(radius, value_count, seed = undef) = function rands_disk(radius, value_count, seed = undef) =
let( let(
seed_undef = is_undef(seed), seed_undef = is_undef(seed),
theta = seed_undef ? rands(0, 360, value_count * 2) : rands(0, 360, value_count * 2, seed), n = value_count * 2,
k = seed_undef ? rands(0, 1, value_count * 2) : rands(0, 1, value_count * 2, seed) theta = seed_undef ? rands(0, 360, n) : rands(0, 360, n, seed),
k = radius ^ 2 * (seed_undef ? rands(0, 1, n) : rands(0, 1, n, seed))
) )
[ [
for(i = [0:value_count - 1]) for(i = [0:value_count - 1])
let(r = sqrt(k[i]) * radius) [cos(theta[i]), sin(theta[i])] * sqrt(k[i])
[cos(theta[i]), sin(theta[i])] * r
]; ];
/* /*
use <util/rands_disk.scad>;
number = 10000; number = 10000;
radius = 2; radius = 2;
points = rand_pts_circle(radius, number); points = rands_disk(radius, number);
for(p = points) { for(p = points) {
translate(p) translate(p)