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refactor

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This commit is contained in:
Justin Lin
2022-05-01 17:17:01 +08:00
parent c547ab4ec6
commit 3481ca7b22
2 changed files with 20 additions and 22 deletions
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19
src/noise/_impl/_nz_worley2_impl.scad
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@@ -4,12 +4,12 @@ use <../../util/sorted.scad>;
_key = function(elem) elem[2];
function _neighbors(fcord, seed, grid_w) =
let(range = [-1:1])
let(range = [-1:1], fx = fcord.x, fy = fcord.y)
[
for(y = range, x = range)
let(
nx = fcord.x + x,
ny = fcord.y + y,
nx = fx + x,
ny = fy + y,
sd_base = abs(nx + ny * grid_w),
sd1 = _lookup_noise_table(seed + sd_base),
sd2 = _lookup_noise_table(sd1 * 255 + sd_base),
@@ -29,15 +29,14 @@ function _nz_worley2_classic(p, nbrs, dist) =
function _nz_worley2_border(p, nbrs) =
let(
cells = [
for(nbr = nbrs)
[each nbr, norm(nbr - p)]
],
cells = [for(nbr = nbrs) [each nbr, norm(nbr - p)]],
sorted_cells = sorted(cells, key = _key),
a = [sorted_cells[0].x, sorted_cells[0].y],
m = (a + [sorted_cells[1].x, sorted_cells[1].y]) / 2
fst = sorted_cells[0],
snd = orted_cells[1],
a = [fst.x, fst.y],
m = (a + [snd.x, snd.y]) / 2
)
[a[0], a[1], (p - m) * (a - m)];
[fst.x, fst.y, (p - m) * (a - m)];
function _nz_worley2(p, seed, grid_w, dist) =
let(

23
src/noise/_impl/_nz_worley3_impl.scad
View File

@@ -4,14 +4,14 @@ use <../../util/sorted.scad>;
_key = function(elem) elem[3];
function _neighbors(fcord, seed, grid_w) =
let(range = [-1:1])
let(range = [-1:1], fx = fcord.x, fy = fcord.y, fz = fcord.z)
[
for(z = range, y = range, x = range)
let(
nx = fcord.x + x,
ny = fcord.y + y,
nz = fcord.z + z,
sd_base = abs(nx + ny * grid_w + nz * grid_w * grid_w),
nx = fx + x,
ny = fy + y,
nz = fz + z,
sd_base = abs(nx + ny * grid_w + nz * grid_w ^ 2),
sd1 = _lookup_noise_table(seed + sd_base),
sd2 = _lookup_noise_table(sd1 * 255 + sd_base),
sd3 = _lookup_noise_table(sd2 * 255 + sd_base),
@@ -31,15 +31,14 @@ function _nz_worley3_classic(p, nbrs, dist) =
function _nz_worley3_border(p, nbrs) =
let(
cells = [
for(nbr = nbrs)
[each nbr, norm(nbr - p)]
],
cells = [for(nbr = nbrs) [each nbr, norm(nbr - p)]],
sorted_cells = sorted(cells, key = _key),
a = [sorted_cells[0].x, sorted_cells[0].y, sorted_cells[0].z],
m = (a + [sorted_cells[1].x, sorted_cells[1].y, sorted_cells[1].z]) / 2
fst = sorted_cells[0],
snd = sorted_cells[1],
a = [fst.x, fst.y, fst.z],
m = (a + [snd.x, snd.y, snd.z]) / 2
)
[a[0], a[1], a[2], (p - m) * (a - m)];
[fst.x, fst.y, fst.z, (p - m) * (a - m)];
function _nz_worley3(p, seed, grid_w, dist) =
let(