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refactor

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Justin Lin
2022-03-25 10:33:25 +08:00
parent 6292c8989a
commit 73c3e2d54c
1 changed files with 7 additions and 13 deletions
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20
src/polyhedra/_impl/_geom_platonic_polyhedra.scad
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@@ -4,25 +4,19 @@ function _tri_subdivide(points, detail) =
dr = (points[2] - points[0]) / rows, dr = (points[2] - points[0]) / rows,
dc = (points[1] - points[0]) / rows, dc = (points[1] - points[0]) / rows,
pts = [ pts = [
for(ri = [0:rows]) for(ri = [0:rows], ci = [0:rows - ri])
for(ci = [0:rows - ri]) points[0] + ci * dc + ri * dr
points[0] + ci * dc + ri * dr
], ],
ri_base = [for(ri = 0, acc = 0; ri <= rows; ri = ri + 1, acc = acc + rows - ri + 2) acc], ri_base = [for(ri = 0, acc = 0; ri <= rows; ri = ri + 1, acc = acc + rows - ri + 2) acc],
idx = function(ci, ri) ci + ri_base[ri], 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)
for(ci = [0:cols]) for(ci = [0:cols])
each (ci == cols ? each [
[ [idx(ci + 1, ri), idx(ci, ri + 1), idx(ci, ri)],
[idx(ci + 1, ri), idx(ci, ri + 1), idx(ci, ri)] if(ci != cols) [idx(ci + 1, ri + 1), idx(ci, ri + 1), idx(ci + 1, ri)]
] : ]
[
[idx(ci + 1, ri), idx(ci, ri + 1), idx(ci, ri)],
[idx(ci + 1, ri + 1), idx(ci, ri + 1), idx(ci + 1, ri)]
]
)
] ]
) )
[pts, faces]; [pts, faces];