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fix tests

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This commit is contained in:
Adrian Mariano
2021-09-11 19:35:05 -04:00
parent 2494de9368
commit 4a463fd8b9
4 changed files with 12 additions and 146 deletions
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vnf.scad
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@@ -773,35 +773,6 @@ function _split_polygon_at_y(poly, y) =
) out;
function _split_polygon_at_z(poly, z) =
let(
zs = subindex(poly,2)
) (min(zs) >= z || max(zs) <= z)? [poly] :
let(
poly2 = [
for (p = pair(poly,true)) each [
p[0],
if(
(p[0].z < z && p[1].z > z) ||
(p[1].z < z && p[0].z > z)
) let(
u = (z - p[0].z) / (p[1].z - p[0].z)
) [
u*(p[1].x-p[0].x)+p[0].x,
u*(p[1].y-p[0].y)+p[0].y,
z, // Important for later exact match tests
]
]
],
out1 = [for (p = poly2) if(p.z <= z) p],
out2 = [for (p = poly2) if(p.z >= z) p],
out3 = [
if (len(out1)>=3) each split_path_at_self_crossings(close_path(out1), closed=false),
if (len(out2)>=3) each split_path_at_self_crossings(close_path(out2), closed=false),
],
out = [for (p=out3) if (len(p) > 2) cleanup_path(p)]
) out;
/// Function: _split_polygons_at_each_x()
// Usage:
@@ -845,26 +816,6 @@ function _split_polygons_at_each_y(polys, ys, _i=0) =
);
/// Internal Function: _split_polygons_at_each_z()
// Usage:
// splitpolys = split_polygons_at_each_z(polys, zs);
/// Topics: Geometry, Polygons, Intersections
// Description:
// Given a list of 3D polygons, splits all of them wherever they cross any Z value given in `zs`.
// Arguments:
// polys = A list of 3D polygons to split.
// zs = A list of scalar Z values to split at.
function split_polygons_at_each_z(polys, zs, _i=0) =
assert( [for (poly=polys) if (!is_path(poly,3)) 1] == [], "Expects list of 3D paths.")
assert( is_vector(zs), "The split value list should contain only numbers." )
_i>=len(zs)? polys :
split_polygons_at_each_z(
[
for (poly = polys)
each _split_polygon_at_z(poly, zs[_i])
], zs, _i=_i+1
);
// Function&Module: vnf_validate()
// Usage: As Function