openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-07 07:16:36 +02:00
Code Issues Releases Wiki Activity

refactor: format

Browse Source
This commit is contained in:
Justin Lin
2022-04-16 17:30:30 +08:00
parent 869e645bbd
commit 4875aeeb98
1 changed files with 12 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/_impl/_shape_path_extend_impl.scad
View File

@@ -15,7 +15,7 @@ function __polytransversals(transversals) =
lefts lefts
); );
function _shape_path_extend_az(p1, p2) = -90 + atan2((p2.y - p1.y), (p2.x - p1.x)); function _shape_path_extend_az(p1, p2) = let(v = p2 - p1) -90 + atan2(v.y, v.x);
function _shape_path_first_stroke(stroke_pts, path_pts) = function _shape_path_first_stroke(stroke_pts, path_pts) =
let( let(
@@ -28,23 +28,22 @@ function _shape_path_first_stroke(stroke_pts, path_pts) =
function _shape_path_extend_stroke(stroke_pts, p1, p2, scale_step, i) = function _shape_path_extend_stroke(stroke_pts, p1, p2, scale_step, i) =
let( let(
leng = norm(__to3d(p2) - __to3d(p1)), leng = norm(__to3d(p2) - __to3d(p1)),
a = _shape_path_extend_az(p1, p2) a = _shape_path_extend_az(p1, p2),
s = 1 + scale_step * i,
off_p = [0, leng]
) )
[ [for(p = stroke_pts) ptf_rotate(p * s + off_p, a) + p1];
for(p = stroke_pts)
ptf_rotate(p * (1 + scale_step * i) + [0, leng], a) + p1
];
function _shape_path_extend_inner(stroke_pts, path_pts, leng_path_pts, scale_step) = function _shape_path_extend_inner(stroke_pts, path_pts, leng_path_pts, scale_step) =
[ [
for(i = 1; i < leng_path_pts; i = i + 1) for(i = 1; i < leng_path_pts; i = i + 1)
_shape_path_extend_stroke( _shape_path_extend_stroke(
stroke_pts, stroke_pts,
path_pts[i - 1], path_pts[i - 1],
path_pts[i ], path_pts[i ],
scale_step, scale_step,
i i
) )
]; ];
function _shape_path_extend_impl(stroke_pts, path_pts, scale, closed) = function _shape_path_extend_impl(stroke_pts, path_pts, scale, closed) =