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Fixed VNF attachment normal vector.

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This commit is contained in:
Garth Minette 2020-08-17 18:11:49 -07:00
parent da2a0bbd7b
commit 7daa16f238
2 changed files with 16 additions and 3 deletions
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17
attachments.scad
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@ -473,7 +473,7 @@ function find_anchor(anchor, geom) =
pt = polygon_line_intersection(poly, [cp,cp+anchor], bounded=[true,false], eps=eps) pt = polygon_line_intersection(poly, [cp,cp+anchor], bounded=[true,false], eps=eps)
) if (!is_undef(pt)) let( ) if (!is_undef(pt)) let(
plane = plane_from_polygon(poly), plane = plane_from_polygon(poly),
n = plane_normal(plane) n = unit(plane_normal(plane))
) )
[norm(pt-cp), n, pt] [norm(pt-cp), n, pt]
] ]
@ -483,7 +483,20 @@ function find_anchor(anchor, geom) =
furthest = max_index(subindex(hits,0)), furthest = max_index(subindex(hits,0)),
dist = hits[furthest][0], dist = hits[furthest][0],
pos = hits[furthest][2], pos = hits[furthest][2],
n = unit(sum([for (hit = hits) if (approx(hit[0],dist,eps=eps)) hit[1]])) hitnorms = [for (hit = hits) if (approx(hit[0],dist,eps=eps)) hit[1]],
unorms = len(hitnorms) > 7
? unique([for (nn = hitnorms) quant(nn,1e-9)])
: [
for (i = idx(hitnorms)) let(
nn = hitnorms[i],
isdup = [
for (j = [i+1:1:len(hitnorms)-1])
if (approx(nn, hitnorms[j])) 1
] != []
) if (!isdup) nn
],
n = unit(sum(unorms)),
oang = approx(point2d(n), [0,0])? 0 : atan2(n.y, n.x) + 90
) )
[anchor, pos, n, oang] [anchor, pos, n, oang]
) : type == "vnf_extent"? ( //vnf ) : type == "vnf_extent"? ( //vnf

2
version.scad
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@ -8,7 +8,7 @@
////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,404]; BOSL_VERSION = [2,0,405];
// Section: BOSL Library Version Functions // Section: BOSL Library Version Functions