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Code Issues Releases Wiki Activity

use internal px_circle

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This commit is contained in:
Justin Lin
2019-06-29 17:14:10 +08:00
parent cda26241dd
commit 47b5b91b0a
1 changed files with 21 additions and 2 deletions
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23
src/pixel/px_cylinder.scad
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@@ -1,3 +1,22 @@
function _px_cylinder_px_circle(radius, filled = true) =
let(range = [-radius: radius - 1])
filled ? [
for(y = range)
for(x = range)
let(v = [x, y])
if(norm(v) < radius) v
] :
let(ishell = radius * radius - 2 * radius)
[
for(y = range)
for(x = range)
let(
v = [x, y],
leng = norm(v)
)
if(leng < radius && (leng * leng) > ishell) v
];
function _px_cylinder_diff_r(r, h, filled) =
let(
r1 = r[0],
@@ -8,13 +27,13 @@ function _px_cylinder_diff_r(r, h, filled) =
for(i = 0; i < h; i = i + 1)
let(r = round(r1 + dr * i))
each [
for(pt = px_circle(r, filled))
for(pt = _px_cylinder_px_circle(r, filled))
[pt[0], pt[1], i]
]
];
function _px_cylinder_same_r(r, h, filled) =
let(c = px_circle(r, filled))
let(c = _px_cylinder_px_circle(r, filled))
[
for(i = 0; i < h; i = i + 1)
each [