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Code Issues Releases Wiki Activity

add width param

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This commit is contained in:
Justin Lin
2019-06-29 17:46:14 +08:00
parent 47b5b91b0a
commit e26e6d7472
1 changed files with 12 additions and 11 deletions
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23
src/pixel/px_cylinder.scad
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@@ -1,4 +1,4 @@
function _px_cylinder_px_circle(radius, filled = true) =
function _px_cylinder_px_circle(radius, filled, width) =
let(range = [-radius: radius - 1])
filled ? [
for(y = range)
@@ -6,7 +6,7 @@ function _px_cylinder_px_circle(radius, filled = true) =
let(v = [x, y])
if(norm(v) < radius) v
] :
let(ishell = radius * radius - 2 * radius)
let(ishell = radius * radius - 2 * width * radius)
[
for(y = range)
for(x = range)
@@ -17,23 +17,24 @@ function _px_cylinder_px_circle(radius, filled = true) =
if(leng < radius && (leng * leng) > ishell) v
];
function _px_cylinder_diff_r(r, h, filled) =
function _px_cylinder_diff_r(r, h, filled, width) =
let(
r1 = r[0],
r2 = r[1],
dr = (r2 - r1) / (h - 1)
r2 = r[1]
)
r1 == r2 ? _px_cylinder_same_r(r1, h, filled, width) :
let(dr = (r2 - r1) / (h - 1))
[
for(i = 0; i < h; i = i + 1)
let(r = round(r1 + dr * i))
each [
for(pt = _px_cylinder_px_circle(r, filled))
for(pt = _px_cylinder_px_circle(r, filled, width))
[pt[0], pt[1], i]
]
];
function _px_cylinder_same_r(r, h, filled) =
let(c = _px_cylinder_px_circle(r, filled))
function _px_cylinder_same_r(r, h, filled, width) =
let(c = _px_cylinder_px_circle(r, filled, width))
[
for(i = 0; i < h; i = i + 1)
each [
@@ -42,7 +43,7 @@ function _px_cylinder_same_r(r, h, filled) =
]
];
function px_cylinder(r, h, filled = true) =
function px_cylinder(r, h, filled = true, width = 1) =
is_num(r) ?
_px_cylinder_same_r(r, h, filled) :
_px_cylinder_diff_r(r, h, filled);
_px_cylinder_same_r(r, h, filled, width) :
_px_cylinder_diff_r(r, h, filled, width);