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Code Issues Releases Wiki Activity

c-style for loop

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Justin Lin
2019-06-14 21:21:08 +08:00
parent d203fe4030
commit 78127faba6
1 changed files with 5 additions and 6 deletions
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11
src/triangulate.scad
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@@ -47,17 +47,16 @@ function _triangulate_remove_v(indices, v, num_of_vertices) =
let(
nv_minuns_one = num_of_vertices - 1
)
v == 0 ? [for(i = [1:nv_minuns_one]) indices[i]] : (
v == nv_minuns_one ? [for(i = [0:v - 1]) indices[i]] : concat(
[for(i = [0:v - 1]) indices[i]],
[for(i = [v + 1:nv_minuns_one]) indices[i]]
v == 0 ? [for(i = 1; i <= nv_minuns_one; i = i + 1) indices[i]] : (
v == nv_minuns_one ? [for(i = 0; i < v; i = i + 1) indices[i]] : concat(
[for(i = 0; i < v; i = i + 1) indices[i]],
[for(i = v + 1; i <= nv_minuns_one; i = i + 1) indices[i]]
)
);
function _triangulate_zero_or_value(num_of_vertices, value) =
num_of_vertices <= value ? 0 : value;
function _triangulate_real_triangulate_sub(shape_pts, collector, indices, v, num_of_vertices, count, epsilon) =
let(
// idxes of three consecutive vertices
@@ -96,7 +95,7 @@ function triangulate(shape_pts, epsilon = 0.0001) =
let(
num_of_vertices = len(shape_pts),
v = num_of_vertices - 1,
indices = [for(vi = [0:v]) vi],
indices = [for(vi = 0; vi <= v; vi = vi + 1) vi],
count = 2 * num_of_vertices
)
num_of_vertices < 3 ? [] : _triangulate_real_triangulate(shape_pts, [], indices, v, num_of_vertices, count, epsilon);