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Code Issues Releases Wiki Activity

always use square

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This commit is contained in:
Justin Lin
2020-04-02 15:11:53 +08:00
parent 9643ffcb1f
commit 2211346b29
2 changed files with 3 additions and 13 deletions
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12
src/experimental/demo/voronoi_cells_demo.scad
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@@ -6,17 +6,7 @@ xs1 = rands(-20, 20, 15);
ys1 = rands(-20, 20, 15); ys1 = rands(-20, 20, 15);
points = [for(i = [0:len(xs1) - 1]) [xs1[i], ys1[i]]]; points = [for(i = [0:len(xs1) - 1]) [xs1[i], ys1[i]]];
function default_region_size(points) = cells = voronoi_cells(points);
let(
xs = [for(p = points) p[0]],
ys = [for(p = points) abs(p[1])]
)
max([(max(xs) - min(xs) / 2), (max(ys) - min(ys)) / 2]);
size = default_region_size(points);
region_shape = shape_square(size, corner_r = size / 10);
cells = voronoi_cells(points, region_shape);
for(i = [0:len(points) - 1]) { for(i = [0:len(points) - 1]) {
pt = points[i]; pt = points[i];
cell = cells[i]; cell = cells[i];

4
src/experimental/voronoi_cells.scad
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@@ -2,10 +2,10 @@ use <experimental/_impl/_voronoi2d_cells_impl.scad>;
use <experimental/convex_intersection_for.scad>; use <experimental/convex_intersection_for.scad>;
use <shape_square.scad>; use <shape_square.scad>;
function voronoi_cells(points, region_shape) = function voronoi_cells(points) =
let( let(
size = _default_region_size(points), size = _default_region_size(points),
shape = is_undef(region_shape) ? shape_square(size) : region_shape, shape = shape_square(size),
regions_lt = [ regions_lt = [
for(p = points) for(p = points)
_cells_lt_before_intersection(shape, size, points, p) _cells_lt_before_intersection(shape, size, points, p)