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Justin Lin
2020-06-20 14:42:57 +08:00
parent 62273a2740
commit fcbcdf2043
2 changed files with 0 additions and 43 deletions
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21
src/experimental/demo/contours_demo.scad
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use <hull_polyline2d.scad>;
use <util/rand.scad>;
use <noise/nz_perlin2.scad>;
use <contours.scad>;
seed = rand(0, 256);
points = [
for(y = [0:.2:10]) [
for(x = [0:.2:10]) [x, y, nz_perlin2(x, y, seed)]
]
];
for(isoline = contours(points, 0.1)) {
hull_polyline2d(isoline, width = .1);
}
translate([12, 0])
for(isoband = contours(points, [-.2, .2])) {
polygon([for(p = isoband) [p[0], p[1]]]);
}

22
src/experimental/demo/vrn2_cells_from.scad
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@@ -1,22 +0,0 @@
use <hull_polyline2d.scad>;
use <shape_square.scad>;
use <voronoi/vrn2_cells_from.scad>;
xs1 = rands(-20, 20, 15);
ys1 = rands(-20, 20, 15);
points = [for(i = [0:len(xs1) - 1]) [xs1[i], ys1[i]]];
cells = vrn2_cells_from(points);
for(i = [0:len(points) - 1]) {
pt = points[i];
cell = cells[i];
linear_extrude(1)
hull_polyline2d(concat(cell, [cell[0]]), width = 1);
color(rands(0, 1, 3))
translate(pt)
linear_extrude(2, scale = 0.8)
translate(-pt)
polygon(cell);
}