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refactor: cal px, py directly

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Justin Lin
2022-04-01 22:15:24 +08:00
parent 4e0078f25c
commit b8e52677b3
1 changed files with 10 additions and 13 deletions
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23
examples/voronoi/ripples.scad
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@@ -16,21 +16,18 @@ ripples();
module ripples() { module ripples() {
point_size = size / mesh_w; point_size = size / mesh_w;
points = [for(y = [0:point_size.y - 1], x = [0:point_size.x - 1]) [x, y] * mesh_w];
noise = [for(p = points) nz_worley2(p.x, p.y, seed, grid_w, dist)[2]];
sf = [ sf = [
for(y = [0:point_size.y - 1]) for(y = [0:point_size.y - 1])
[for(x = [0:point_size.x - 1]) [
let( for(x = [0:point_size.x - 1])
i = point_size.x * y + x, let(
nz = noise[i], px = x * mesh_w,
p = points[i], py = y * mesh_w,
n = amplitude * nz_perlin2(nz + p.x / wave_smoothness, nz + p.y / wave_smoothness, seed) nz = nz_worley2(px, py, seed, grid_w, dist)[2],
) n = amplitude * nz_perlin2(nz + px / wave_smoothness, nz + py / wave_smoothness, seed)
[p.x, p.y, n] )
] [px, py, n]
]
]; ];
sf_thicken(sf, thickness); sf_thicken(sf, thickness);