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don't return undef

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Justin Lin
2020-02-25 15:35:07 +08:00
parent 0eb2e4f974
commit 364345ad7f
1 changed files with 1 additions and 1 deletions
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src/experimental/tri_circumcircle.scad
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@@ -9,7 +9,7 @@ function tri_circumcircle(points) =
d1 = (p2 + p1) / 2 * v1,
det = -cross(v0 , v1)
)
det == 0? undef :
det == 0? [] :
let(
x = (d1 * v0[1] - d0 * v1[1]) / det,
y = (d0 * v1[0] - d1 * v0[0]) / det,