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add triangles param

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This commit is contained in:
Justin Lin
2021-08-15 11:48:57 +08:00
parent 7574f0aa3d
commit ed3b8c1422
1 changed files with 21 additions and 3 deletions
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24
src/experimental/tile_penrose2.scad
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@@ -1,4 +1,5 @@
use <hull_polyline2d.scad>; use <hull_polyline2d.scad>;
use <ptf/ptf_rotate.scad>;
use <util/dedup.scad>; use <util/dedup.scad>;
// tile type // tile type
@@ -86,13 +87,24 @@ function subdivide(tiles) = [
each (tile_type(tile) == DART ? sub_dart(tile) : sub_kite(tile)) each (tile_type(tile) == DART ? sub_dart(tile) : sub_kite(tile))
]; ];
function tri2tile(type, tri) =
let(
v = tri[1] - tri[0],
a = atan2(v[1], v[0]) + 36
)
tile(type, tri[0][0], tri[0][1], a, 1);
function _penrose2(tiles, n, i = 0) = function _penrose2(tiles, n, i = 0) =
i == n ? tiles : i == n ? tiles :
_penrose2(dedup(subdivide(tiles), eq = tile_eq, hash = tile_hash), n, i + 1); _penrose2(dedup(subdivide(tiles), eq = tile_eq, hash = tile_hash), n, i + 1);
function tile_penrose2(n) = function tile_penrose2(n, triangles) =
let( let(
tiles = _penrose2([for(i = [0:4]) tile(KITE, 0, 0, 36 * (1 + 2 * i), 1)], n), tiles = _penrose2(
is_undef(triangles) ?
[for(i = [0:4]) tile(KITE, 0, 0, 36 * (1 + 2 * i), 1)] : [for(tri = triangles) tri2tile(tri[0], tri[1])],
n
),
PHI = 1.618033988749895, PHI = 1.618033988749895,
dist = [[PHI, PHI, PHI], [-PHI, -1, -PHI]] dist = [[PHI, PHI, PHI], [-PHI, -1, -PHI]]
) )
@@ -131,9 +143,15 @@ module draw(tris, radius) {
} }
} }
$fn = 12;
radius = 7; radius = 7;
draw(tile_penrose2(0), radius); draw(tile_penrose2(3,
[
[KITE, [[0, 0], [1, 0], ptf_rotate([1, 0], 36)]]
]
), radius);
translate([30, 0]) translate([30, 0])
draw(tile_penrose2(1), radius); draw(tile_penrose2(1), radius);