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Code Issues Releases Wiki Activity

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Justin Lin
2019-06-07 09:49:30 +08:00
parent 7648373e01
commit bb45854f33
6 changed files with 21 additions and 21 deletions
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12
docs/lib-in_line.md → docs/lib-in_polyline2d.md
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@@ -1,4 +1,4 @@
# in_line # in_polyline2d
Checks wether a point is on a line. Checks wether a point is on a line.
@@ -12,7 +12,7 @@ Checks wether a point is on a line.
## Examples ## Examples
include <in_line.scad>; include <in_polyline2d.scad>;
pts = [ pts = [
[0, 0], [0, 0],
@@ -20,7 +20,7 @@ Checks wether a point is on a line.
[10, 10] [10, 10]
]; ];
echo(in_line(pts, [-2, -3])); // false echo(in_polyline2d(pts, [-2, -3])); // false
echo(in_line(pts, [5, 0])); // true echo(in_polyline2d(pts, [5, 0])); // true
echo(in_line(pts, [10, 5])); // true echo(in_polyline2d(pts, [10, 5])); // true
echo(in_line(pts, [10, 15])); // false echo(in_polyline2d(pts, [10, 15])); // false

2
src/__private__/__in_line.scad → src/__private__/__in_line2d.scad
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@@ -1,4 +1,4 @@
function __in_line(line_pts, pt, epsilon = 0.0001) = function __in_line2d(line_pts, pt, epsilon = 0.0001) =
let( let(
v1 = line_pts[0] - pt, v1 = line_pts[0] - pt,
v2 = line_pts[1] - pt v2 = line_pts[1] - pt

10
src/in_line.scad
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@@ -1,10 +0,0 @@
include <__private__/__in_line.scad>;
function _in_line_sub(line_pts, pt, epsilon, iend, i = 0) =
i == iend ? false : (
__in_line([line_pts[i], line_pts[i + 1]], pt, epsilon) ? true :
_in_line_sub(line_pts, pt, epsilon, iend, i + 1)
);
function in_line(line_pts, pt, epsilon = 0.0001) = _in_line_sub(line_pts, pt, epsilon, len(line_pts) - 1);

10
src/in_polyline2d.scad Normal file
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@@ -0,0 +1,10 @@
include <__private__/__in_line2d.scad>;
function _in_polyline2d_sub(line_pts, pt, epsilon, iend, i = 0) =
i == iend ? false : (
__in_line2d([line_pts[i], line_pts[i + 1]], pt, epsilon) ? true :
_in_polyline2d_sub(line_pts, pt, epsilon, iend, i + 1)
);
function in_polyline2d(line_pts, pt, epsilon = 0.0001) = _in_polyline2d_sub(line_pts, pt, epsilon, len(line_pts) - 1);

4
src/in_shape.scad
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@@ -1,5 +1,5 @@
include <__private__/__lines_from.scad>; include <__private__/__lines_from.scad>;
include <__private__/__in_line.scad>; include <__private__/__in_line2d.scad>;
function _in_shape_in_line_equation(edge, pt) = function _in_shape_in_line_equation(edge, pt) =
let( let(
@@ -14,7 +14,7 @@ function _in_shape_in_line_equation(edge, pt) =
function _in_shape_in_any_edges_sub(edges, leng, pt, i, epsilon) = function _in_shape_in_any_edges_sub(edges, leng, pt, i, epsilon) =
leng == i ? false : ( leng == i ? false : (
__in_line(edges[i], pt, epsilon) ? true : _in_shape_in_any_edges_sub(edges, leng, pt, i + 1, epsilon) __in_line2d(edges[i], pt, epsilon) ? true : _in_shape_in_any_edges_sub(edges, leng, pt, i + 1, epsilon)
); );
function _in_shape_in_any_edges(edges, pt, epsilon) = _in_shape_in_any_edges_sub(edges, len(edges), pt, 0, epsilon); function _in_shape_in_any_edges(edges, pt, epsilon) = _in_shape_in_any_edges_sub(edges, len(edges), pt, 0, epsilon);

4
src/trim_shape.scad
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@@ -1,12 +1,12 @@
include <__private__/__line_intersection.scad>; include <__private__/__line_intersection.scad>;
include <__private__/__in_line.scad>; include <__private__/__in_line2d.scad>;
include <__private__/__lines_from.scad>; include <__private__/__lines_from.scad>;
function _trim_shape_any_intersection_sub(lines, line, lines_leng, i, epsilon) = function _trim_shape_any_intersection_sub(lines, line, lines_leng, i, epsilon) =
let( let(
p = __line_intersection(lines[i], line, epsilon) p = __line_intersection(lines[i], line, epsilon)
) )
(p != [] && __in_line(line, p, epsilon) && __in_line(lines[i], p, epsilon)) ? [i, p] : _trim_shape_any_intersection(lines, line, lines_leng, i + 1, epsilon); (p != [] && __in_line2d(line, p, epsilon) && __in_line2d(lines[i], p, epsilon)) ? [i, p] : _trim_shape_any_intersection(lines, line, lines_leng, i + 1, epsilon);
// return [idx, [x, y]] or [] // return [idx, [x, y]] or []
function _trim_shape_any_intersection(lines, line, lines_leng, i, epsilon) = function _trim_shape_any_intersection(lines, line, lines_leng, i, epsilon) =