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Code Issues Releases Wiki Activity

use [each lt, v] to replace concat(lt, [v])

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This commit is contained in:
Justin Lin
2022-02-28 11:05:50 +08:00
parent c9370160a7
commit 8f76446bd8
9 changed files with 58 additions and 51 deletions
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16
examples/dragon/dragon_claw.scad
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@@ -36,6 +36,20 @@ module dragon_claw() {
rotate_extrude($fn = 7)
polygon(pts);
linear_extrude(5)
polygon(dedup(concat(claw_path1, claw_path2, claw_path3, claw_path4, [[-2, -.75], [-1.45, -1.45]], claw_path5, [[1.45, -1.45], [2, -.75]])));
polygon(
dedup(
[
each claw_path1,
each claw_path2,
each claw_path3,
each claw_path4,
[-2, -.75],
[-1.45, -1.45],
each claw_path5,
[1.45, -1.45],
[2, -.75]
]
)
);
}
}

12
examples/dragon/dragon_scales.scad
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@@ -9,14 +9,14 @@ function one_body_scale(body_r, body_fn, scale_fn, scale_tilt_a) =
scale_r = PI * body_r / body_fn,
double_scale_r = scale_r * 2,
shape_scale = shape_circle(scale_r, $fn = scale_fn),
scale_pts = concat(
[[0, 0, scale_r / 2 + body_r]],
[
scale_pts = [
[0, 0, scale_r / 2 + body_r],
each [
for(p = shape_scale)
ptf_rotate([p[0], p[1] * 2.01, body_r], [scale_tilt_a, 0, 0])
],
[for(p = shape_scale) [p[0], p[1] * 2.01, 0]]
)
],
each [for(p = shape_scale) [p[0], p[1] * 2.01, 0]]
]
)
convex_hull3(scale_pts);

6
examples/dragon/hilbert_dragon.scad
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@@ -34,11 +34,7 @@ module hilbert_dragon() {
scale_tilt_a = -3;
lines = hilbert_curve();
hilbert_path = dedup(
concat(
[for(line = lines) line[0]],
[lines[len(lines) - 1][1]])
);
hilbert_path = dedup([each [for(line = lines) line[0]], lines[len(lines) - 1][1]]);
smoothed_hilbert_path = bezier_smooth(hilbert_path, 0.45, t_step = 0.15);
dragon_body_path = reverse([for(i = [1:len(smoothed_hilbert_path) - 2]) smoothed_hilbert_path[i]]);

12
examples/dragon/hilbert_dragon_low_poly.scad
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@@ -11,11 +11,7 @@ hilbert_dragon_low_poly();
module hilbert_dragon_low_poly() {
lines = hilbert_curve();
hilbert_path = dedup(
concat(
[for(line = lines) line[0]],
[lines[len(lines) - 1][1]])
);
hilbert_path = dedup([each [for(line = lines) line[0]], lines[len(lines) - 1][1]]);
smoothed_hilbert_path = bezier_smooth(hilbert_path, 0.48, t_step = 0.2);
dragon_body_path = reverse([for(i = [1:len(smoothed_hilbert_path) - 2]) smoothed_hilbert_path[i]]);
@@ -37,7 +33,11 @@ module hilbert_dragon_low_poly() {
pts = [for(p = body_shape) p * 0.007];
p = dragon_body_path[0];
path_extrude(pts, concat([p + [0.0155, 0, 0.175]], [for(i = [1:len(dragon_body_path) - 1]) dragon_body_path[i]]), scale = 0.9);
path_extrude(
pts,
[p + [0.0155, 0, 0.175], each [for(i = [1:len(dragon_body_path) - 1]) dragon_body_path[i]]],
scale = 0.9
);
translate([0.125, 0, -2.73])
scale(0.009)

2
examples/dragon/torus_knot_dragon_low_poly.scad
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@@ -31,7 +31,7 @@ module torus_knot_dragon_low_poly() {
pts = [for(p = body_shape) p * 0.015];
p = dragon_body_path[0];
path_extrude(pts, concat([p + [0.00001, 0.0000055, 0.000008]], dragon_body_path), scale = 0.9);
path_extrude(pts, [p + [0.00001, 0.0000055, 0.000008], each dragon_body_path], scale = 0.9);
translate([2.975, -0.75, -0.75])
scale(0.01825)

22
examples/hollow_out/hollow_out_cylinder.scad
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@@ -14,17 +14,15 @@ ys = rands(0, size[1], pt_nums);
half_fn = fn / 2;
dx = size[0] / fn;
dy = size[1] / half_fn;
points = concat(
[
[0, 0], [size[0], 0],
[size[0], size[1]], [0, size[1]]
],
[for(i = [1:fn - 1]) [i * dx, 0]],
[for(i = [1:fn - 1]) [i * dx, size[1]]],
[for(i = [1:half_fn - 1]) [0, dy * i]],
[for(i = [1:half_fn - 1]) [size[0], dy * i]],
[for(i = [0:len(xs) - 1]) [xs[i], ys[i]]]
);
points = [
[0, 0], [size[0], 0],
[size[0], size[1]], [0, size[1]],
each [for(i = [1:fn - 1]) [i * dx, 0]],
each [for(i = [1:fn - 1]) [i * dx, size[1]]],
each [for(i = [1:half_fn - 1]) [0, dy * i]],
each [for(i = [1:half_fn - 1]) [size[0], dy * i]],
each [for(i = [0:len(xs) - 1]) [xs[i], ys[i]]]
];
bisectors = [
for(tri = tri_delaunay(points))
@@ -33,6 +31,6 @@ bisectors = [
for(line = bisectors) {
pts = [for(p = line) ptf_bend(size, p, radius, 360)];
polyline_join(concat(pts, [pts[0]]))
polyline_join([each pts, pts[0]])
sphere(d = line_diameter, $fn = 4);
}

10
examples/hollow_out/hollow_out_holder.scad
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@@ -9,12 +9,10 @@ radius = 30;
angle = 360;
diameter = 2;
lines = concat(
hollow_out_square([columns, rows], width),
[[
for(x = [0:width:width * columns]) [x, rows * width]
]]
);
lines = [
each hollow_out_square([columns, rows], width),
[for(x = [0:width:width * columns]) [x, rows * width]]
];
for(line = lines) {
transformed = [for(pt = line) ptf_bend([columns * width, rows * width], pt, radius, angle)];

12
examples/hollow_out/hollow_out_starburst.scad
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@@ -12,17 +12,17 @@ half = true;
module hollow_out_starburst(r1, r2, h, n, line_diameter, half = false) {
star = [for(p = shape_star(r1, r2, n)) [p[0], p[1], 0]];
leng = len(star);
tris = concat(
[for(i = [0:leng - 2]) [[0, 0, h], star[i], star[i + 1]]],
[[[0, 0, h], star[leng - 1], star[0]]]
);
tris = [
each [for(i = [0:leng - 2]) [[0, 0, h], star[i], star[i + 1]]],
[[0, 0, h], star[leng - 1], star[0]]
];
module half_star() {
for(tri = tris) {
polyline_join(concat(tri, [tri[0]]))
polyline_join([each tri, tri[0]])
sphere(d = line_diameter);
for(line = tri_bisectors(tri)) {
polyline_join(concat(line, [line[0]]))
polyline_join([each line, line[0]])
sphere(d = line_diameter);
}
}

17
examples/hollow_out/hollow_out_vase.scad
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@@ -39,10 +39,11 @@ module hollow_out_vase(ctrl_pts, t_step, line_diameter, fn, line_style) {
// bottom
fst_sect = sects[0];
fst_tris = concat(
[for(i = [0:leng_sect - 2]) [[0, 0, 0], fst_sect[i], fst_sect[i + 1]]],
[[[0, 0, 0], fst_sect[leng_sect - 1], fst_sect[0]]]
);
fst_tris = [
each [for(i = [0:leng_sect - 2]) [[0, 0, 0], fst_sect[i], fst_sect[i + 1]]],
[[0, 0, 0], fst_sect[leng_sect - 1], fst_sect[0]]
];
for(tri = fst_tris) {
lines = tri_bisectors(tri);
for(line = lines) {
@@ -55,10 +56,10 @@ module hollow_out_vase(ctrl_pts, t_step, line_diameter, fn, line_style) {
// mouth
lst_sect = sects[len(sects) - 1];
lst_tris = concat(
[for(i = [0:leng_sect - 2]) [[0, 0, fpt[2]], lst_sect[i], lst_sect[i + 1]]],
[[[0, 0, fpt[2]], lst_sect[leng_sect - 1], lst_sect[0]]]
);
lst_tris = [
each [for(i = [0:leng_sect - 2]) [[0, 0, fpt[2]], lst_sect[i], lst_sect[i + 1]]],
[[0, 0, fpt[2]], lst_sect[leng_sect - 1], lst_sect[0]]
];
dangling_pts = [for(tri = lst_tris) tri_bisectors(tri)[1][1]];
offset_z = [0, 0, line_diameter];
for(i = [0: leng_sect - 1]) {