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Enable axis= for cuboid/prismoid attachable()

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Garth Minette 2021-04-20 18:55:33 -07:00
parent 129a0d91b4
commit 22b85610ec
1 changed files with 14 additions and 10 deletions
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24
attachments.scad
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@ -236,7 +236,7 @@ function attach_geom(
assert(is_vector(size,3))
assert(is_vector(size2,2))
assert(is_vector(shift,2))
["cuboid", size, size2, shift, cp, offset, anchors]
["cuboid", size, size2, shift, axis, cp, offset, anchors]
)
) : !is_undef(vnf)? (
assert(is_vnf(vnf))
@ -462,20 +462,24 @@ function find_anchor(anchor, geom) =
)
type == "cuboid"? ( //size, size2, shift
let(
size=geom[1], size2=geom[2], shift=point2d(geom[3]),
size=geom[1], size2=geom[2],
shift=point2d(geom[3]), axis=point3d(geom[4]),
anch = rot(from=axis, to=UP, p=anchor),
h = size.z,
u = (anchor.z+1)/2,
axy = point2d(anchor),
u = (anch.z+1)/2,
axy = point2d(anch),
bot = point3d(vmul(point2d(size)/2,axy),-h/2),
top = point3d(vmul(point2d(size2)/2,axy)+shift,h/2),
pos = point3d(cp) + lerp(bot,top,u) + offset,
sidevec = unit(rot(from=UP, to=top-bot, p=point3d(axy)),UP),
vvec = anchor==CENTER? UP : unit([0,0,anchor.z],UP),
vec = anchor==CENTER? UP :
approx(axy,[0,0])? unit(anchor,UP) :
approx(anchor.z,0)? sidevec :
unit((sidevec+vvec)/2,UP)
) [anchor, pos, vec, oang]
vvec = anch==CENTER? UP : unit([0,0,anch.z],UP),
vec = anch==CENTER? UP :
approx(axy,[0,0])? unit(anch,UP) :
approx(anch.z,0)? sidevec :
unit((sidevec+vvec)/2,UP),
pos2 = rot(from=UP, to=axis, p=pos),
vec2 = rot(from=UP, to=axis, p=vec)
) [anchor, pos2, vec2, oang]
) : type == "cyl"? ( //r1, r2, l, shift
let(
rr1=geom[1], rr2=geom[2], l=geom[3],