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Code Issues Releases Wiki Activity

we don't have to mod nums_of_buckets

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Justin Lin
2021-09-16 07:50:37 +08:00
parent b1b61fddbf
commit fbc07cec80
3 changed files with 3 additions and 9 deletions
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3
src/__comm__/_pt3_hash.scad
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@@ -1,2 +1 @@
function _pt3_hash(number_of_buckets) = function _pt3_hash(p) = floor(abs(p * [73856093, 19349669, 83492791]));
function(p) floor(abs(p * [73856093, 19349669, 83492791])) % number_of_buckets;

2
src/experimental/geom_icosahedron.scad
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@@ -21,7 +21,7 @@ function _geom_icosahedron(icosahedron_points, icosahedron_faces, tris, radius,
each [for(t = tri_subdivide(tri, detail)) each t] each [for(t = tri_subdivide(tri, detail)) each t]
], ],
number_of_buckets = ceil(sqrt(len(points)) * 1.5), number_of_buckets = ceil(sqrt(len(points)) * 1.5),
hash = _pt3_hash(number_of_buckets), hash = function(p) _pt3_hash(p),
leng = len(points), leng = len(points),
m_pts = _pimap_pts( m_pts = _pimap_pts(
radius, radius,

7
src/voxel/vx_union.scad
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@@ -12,9 +12,4 @@ use <../__comm__/_pt3_hash.scad>;
use <../util/dedup.scad>; use <../util/dedup.scad>;
function vx_union(points1, points2) = function vx_union(points1, points2) =
let( dedup(concat(points1, points2), hash = function(p) _pt3_hash(p));
pts = concat(points1, points2),
number_of_buckets = ceil(sqrt(len(pts))),
hash = _pt3_hash(number_of_buckets)
)
dedup(pts, hash = hash, number_of_buckets = number_of_buckets);