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renamed

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Justin Lin
2017-05-25 08:22:41 +08:00
parent f2cc2693fc
commit 14710fa0ac
1 changed files with 6 additions and 6 deletions
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12
src/shape_arc.scad
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@@ -16,11 +16,11 @@ include <__private__/__frags.scad>;
include <__private__/__is_vector.scad>;
include <__private__/__ra_to_xy.scad>;
function _edge_r_begin(orig_r, a, a_step, m) =
function __edge_r_begin(orig_r, a, a_step, m) =
let(leng = orig_r * cos(a_step / 2))
leng / cos((m - 0.5) * a_step - a);
function _edge_r_end(orig_r, a, a_step, n) =
function __edge_r_end(orig_r, a, a_step, n) =
let(leng = orig_r * cos(a_step / 2))
leng / cos((n + 0.5) * a_step - a);
@@ -39,20 +39,20 @@ function shape_arc(radius, angle, width, width_mode = "LINE_CROSS") =
r_inner = radius + w_offset[1],
points = concat(
// outer arc path
[__ra_to_xy(_edge_r_begin(r_outer, angles[0], a_step, m), angles[0])],
[__ra_to_xy(__edge_r_begin(r_outer, angles[0], a_step, m), angles[0])],
m > n ? [] : [
for(i = [m:n])
__ra_to_xy(r_outer, a_step * i)
],
angles[1] == a_step * n ? [] : [__ra_to_xy(_edge_r_end(r_outer, angles[1], a_step, n), angles[1])],
angles[1] == a_step * n ? [] : [__ra_to_xy(__edge_r_end(r_outer, angles[1], a_step, n), angles[1])],
// inner arc path
angles[1] == a_step * n ? [] : [__ra_to_xy(_edge_r_end(r_inner, angles[1], a_step, n), angles[1])],
angles[1] == a_step * n ? [] : [__ra_to_xy(__edge_r_end(r_inner, angles[1], a_step, n), angles[1])],
m > n ? [] : [
for(i = [m:n])
let(idx = (n + (m - i)))
__ra_to_xy(r_inner, a_step * idx)
],
[__ra_to_xy(_edge_r_begin(r_inner, angles[0], a_step, m), angles[0])]
[__ra_to_xy(__edge_r_begin(r_inner, angles[0], a_step, m), angles[0])]
)
) points;