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add fibonacci_lattice2

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This commit is contained in:
Justin Lin 2022-07-19 10:05:36 +08:00
parent 0a5d64d999
commit c93d1ae897
1 changed files with 24 additions and 0 deletions
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24
src/experimental/fibonacci_lattice2.scad Normal file
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@ -0,0 +1,24 @@
function fibonacci_lattice2(n, radius = 1, rt_dir = "CT_CLK") =
let(
g = (1 + sqrt(5)) / 2,
dir = rt_dir == "CT_CLK" ? 1 : -1
)
[
for(i = [0:n - 1])
let(
k = (i + 0.5),
r = sqrt(k / n),
theta = dir * k * g * 180
)
[radius * r * cos(theta), radius * r * sin(theta)]
];
num_pts = 300;
pts = fibonacci_lattice2(num_pts);
for(p = pts) {
translate(p)
circle(.01, $fn = 24);
}