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refactor

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This commit is contained in:
Justin Lin
2022-03-11 15:36:56 +08:00
parent a38fd21f43
commit b07b1b1f3d
1 changed files with 5 additions and 2 deletions
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7
src/voronoi/_impl/_vrn_sphere_impl.scad
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@@ -3,5 +3,8 @@ function stereographic_proj_to_plane(point) =
[point.x / n, point.y / n];
function stereographic_proj_to_sphere(point) =
let(n = 1 + point.x ^ 2 + point.y ^ 2)
[2 * point.x / n, 2 * point.y / n, (-1 + point.x ^ 2 + point.y ^ 2) / n];
let(
pp = point * point,
n = 1 + pp
)
[2 * point.x / n, 2 * point.y / n, (-1 + pp) / n];