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Code Issues Releases Wiki Activity

calculate r_base directly

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Justin Lin
2021-10-14 22:11:14 +08:00
parent 6d6f62c77f
commit 59ae93ba5f
1 changed files with 2 additions and 4 deletions
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6
src/polyhedra/_impl/_geom_platonic_polyhedra.scad
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@@ -1,5 +1,3 @@
use <../../util/sum.scad>;
function _tri_subdivide(points, detail) = function _tri_subdivide(points, detail) =
let( let(
rows = detail + 1, rows = detail + 1,
@@ -13,8 +11,8 @@ function _tri_subdivide(points, detail) =
for(ci = [0:cols]) for(ci = [0:cols])
points[0] + ci * dc + ri * dr points[0] + ci * dc + ri * dr
], ],
pre_n = concat([0], [for(ri = [0:rows]) rows - ri + 1]), ri_base = [for(ri = 0, acc = 0; ri <= rows; ri = ri + 1, acc = acc + rows - ri + 2) acc],
idx = function(ci, ri) ci + sum([for(i = [0:ri]) pre_n[i]]), idx = function(ci, ri) ci + ri_base[ri],
faces = [ faces = [
for(ri = [0:rows - 1]) for(ri = [0:rows - 1])
let(cols = rows - ri - 1) let(cols = rows - ri - 1)