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Added axis= to attachable() and reorient().

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Garth Minette 2020-09-22 00:22:48 -07:00
parent 4f3baccec7
commit 5bfd3bee4d
2 changed files with 132 additions and 34 deletions
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164
attachments.scad
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@ -104,14 +104,21 @@ function anchorpt(name, pos=[0,0,0], orient=UP, spin=0) = [name, pos, orient, sp
// Function: attach_geom()
//
// Usage:
// Usage: Square/Trapezoid Geometry
// geom = attach_geom(anchor, spin, [orient], two_d, size, [size2], [shift], [cp], [offset], [anchors]);
// Usage: Circle/Oval Geometry
// geom = attach_geom(anchor, spin, [orient], two_d, r|d, [cp], [offset], [anchors]);
// Usage: 2D Path/Polygon Geometry
// geom = attach_geom(anchor, spin, [orient], two_d, path, [extent], [cp], [offset], [anchors]);
// Usage: Cubical/Prismoidal Geometry
// geom = attach_geom(anchor, spin, [orient], size, [size2], [shift], [cp], [offset], [anchors]);
// geom = attach_geom(anchor, spin, [orient], r|d, l, [cp], [offset], [anchors]);
// geom = attach_geom(anchor, spin, [orient], r1|d1, r2|d2, l, [cp], [offset], [anchors]);
// Usage: Cylindrical Geometry
// geom = attach_geom(anchor, spin, [orient], r|d, l, [cp], [axis], [offset], [anchors]);
// Usage: Conical Geometry
// geom = attach_geom(anchor, spin, [orient], r1|d1, r2|d2, l, [cp], [axis], [offset], [anchors]);
// Usage: Spheroid/Ovoid Geometry
// geom = attach_geom(anchor, spin, [orient], r|d, [cp], [offset], [anchors]);
// Usage: VNF Geometry
// geom = attach_geom(anchor, spin, [orient], vnf, [extent], [cp], [offset], [anchors]);
//
// Description:
@ -135,6 +142,7 @@ function anchorpt(name, pos=[0,0,0], orient=UP, spin=0) = [name, pos, orient, sp
// offset = If given, offsets the perimeter of the volume around the centerpoint.
// anchors = If given as a list of anchor points, allows named anchor points.
// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
// axis = The vector pointing along the axis of a cylinder geometry. Default: UP
//
// Example(NORENDER): Cubical Shape
// geom = attach_geom(anchor, spin, orient, size=size);
@ -146,18 +154,36 @@ function anchorpt(name, pos=[0,0,0], orient=UP, spin=0) = [name, pos, orient, sp
// size2=topsize, shift=shift
// );
//
// Example(NORENDER): Cylindrical Shape
// Example(NORENDER): Cylindrical Shape, Z-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r=r, h=h);
//
// Example(NORENDER): Conical Shape
// Example(NORENDER): Cylindrical Shape, Y-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r=r, h=h, axis=BACK);
//
// Example(NORENDER): Cylindrical Shape, X-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r=r, h=h, axis=RIGHT);
//
// Example(NORENDER): Conical Shape, Z-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r1=r1, r2=r2, h=h);
//
// Example(NORENDER): Conical Shape, Y-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r1=r1, r2=r2, h=h, axis=BACK);
//
// Example(NORENDER): Conical Shape, X-Axis Aligned
// geom = attach_geom(anchor, spin, orient, r1=r1, r2=r2, h=h, axis=RIGHT);
//
// Example(NORENDER): Spherical Shape
// geom = attach_geom(anchor, spin, orient, r=r);
//
// Example(NORENDER): Arbitrary VNF Shape
// Example(NORENDER): Ovoid Shape
// geom = attach_geom(anchor, spin, orient, r=[r_x, r_y, r_z]);
//
// Example(NORENDER): Arbitrary VNF Shape, Anchored by Extents
// geom = attach_geom(anchor, spin, orient, vnf=vnf);
//
// Example(NORENDER): Arbitrary VNF Shape, Anchored by Intersection
// geom = attach_geom(anchor, spin, orient, vnf=vnf, extent=false);
//
// Example(NORENDER): 2D Rectangular Shape
// geom = attach_geom(anchor, spin, orient, size=size);
//
@ -170,9 +196,15 @@ function anchorpt(name, pos=[0,0,0], orient=UP, spin=0) = [name, pos, orient, sp
// Example(NORENDER): 2D Circular Shape
// geom = attach_geom(anchor, spin, orient, two_d=true, r=r);
//
// Example(NORENDER): Arbitrary 2D Polygon Shape
// Example(NORENDER): 2D Oval Shape
// geom = attach_geom(anchor, spin, orient, two_d=true, r=[r_x, r_y]);
//
// Example(NORENDER): Arbitrary 2D Polygon Shape, Anchored by Extents
// geom = attach_geom(anchor, spin, orient, path=path);
//
// Example(NORENDER): Arbitrary 2D Polygon Shape, Anchored by Intersection
// geom = attach_geom(anchor, spin, orient, path=path, extent=false);
//
function attach_geom(
size, size2, shift,
r,r1,r2, d,d1,d2, l,h,
@ -181,13 +213,15 @@ function attach_geom(
cp=[0,0,0],
offset=[0,0,0],
anchors=[],
two_d=false
two_d=false,
axis=UP
) =
assert(is_bool(extent))
assert(is_vector(cp))
assert(is_vector(offset))
assert(is_list(anchors))
assert(is_bool(two_d))
assert(is_vector(axis))
!is_undef(size)? (
two_d? (
let(
@ -233,7 +267,7 @@ function attach_geom(
assert(is_num(r2) || is_vector(r2,2))
assert(is_num(l))
assert(is_vector(shift,2))
["cyl", r1, r2, l, shift, cp, offset, anchors]
["cyl", r1, r2, l, shift, axis, cp, offset, anchors]
) : (
two_d? (
assert(is_num(r1) || is_vector(r1,2))
@ -275,14 +309,19 @@ function attach_geom_size(geom) =
) [maxx, maxy, z]
) : type == "cyl"? ( //r1, r2, l, shift
let(
r1=geom[1], r2=geom[2], l=geom[3], shift=point2d(geom[4]),
r1=geom[1], r2=geom[2], l=geom[3],
shift=point2d(geom[4]), axis=point3d(geom[5]),
rx1 = default(r1[0],r1),
ry1 = default(r1[1],r1),
rx2 = default(r2[0],r2),
ry2 = default(r2[1],r2),
maxxr = max(rx1,rx2),
maxyr = max(ry1,ry2)
) [2*maxxr,2*maxyr,l]
)
approx(axis,UP)? [2*maxxr,2*maxyr,l] :
approx(axis,RIGHT)? [l,2*maxyr,2*maxxr] :
approx(axis,BACK)? [2*maxxr,l,2*maxyr] :
[2*maxxr, 2*maxyr,l]
) : type == "spheroid"? ( //r
let( r=geom[1] )
is_num(r)? [2,2,2]*r : vmul([2,2,2],point3d(r))
@ -429,21 +468,25 @@ function find_anchor(anchor, geom) =
) [anchor, pos, vec, oang]
) : type == "cyl"? ( //r1, r2, l, shift
let(
rr1=geom[1], rr2=geom[2], l=geom[3], shift=point2d(geom[4]),
rr1=geom[1], rr2=geom[2], l=geom[3],
shift=point2d(geom[4]), axis=point3d(geom[5]),
r1 = is_num(rr1)? [rr1,rr1] : point2d(rr1),
r2 = is_num(rr2)? [rr2,rr2] : point2d(rr2),
u = (anchor.z+1)/2,
axy = unit(point2d(anchor),[0,0]),
anch = rot(from=axis, to=UP, p=anchor),
u = (anch.z+1)/2,
axy = unit(point2d(anch),[0,0]),
bot = point3d(vmul(r1,axy), -l/2),
top = point3d(vmul(r2,axy)+shift, l/2),
pos = point3d(cp) + lerp(bot,top,u) + offset,
sidevec = rot(from=UP, to=top-bot, p=point3d(axy)),
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 == "spheroid"? ( //r
let(
rr = geom[1],
@ -585,14 +628,21 @@ function attachment_is_shown(tags) =
// Function: reorient()
//
// Usage:
// Usage: Square/Trapezoid Geometry
// reorient(anchor, spin, [orient], two_d, size, [size2], [shift], [cp], [offset], [anchors], [p]);
// Usage: Circle/Oval Geometry
// reorient(anchor, spin, [orient], two_d, r|d, [cp], [offset], [anchors], [p]);
// Usage: 2D Path/Polygon Geometry
// reorient(anchor, spin, [orient], two_d, path, [extent], [cp], [offset], [anchors], [p]);
// Usage: Cubical/Prismoidal Geometry
// reorient(anchor, spin, [orient], size, [size2], [shift], [cp], [offset], [anchors], [p]);
// reorient(anchor, spin, [orient], r|d, l, [offset], [cp], [anchors], [p]);
// reorient(anchor, spin, [orient], r1|d1, r2|d2, l, [cp], [offset], [anchors], [p]);
// Usage: Cylindrical Geometry
// reorient(anchor, spin, [orient], r|d, l, [offset], [axis], [cp], [anchors], [p]);
// Usage: Conical Geometry
// reorient(anchor, spin, [orient], r1|d1, r2|d2, l, [axis], [cp], [offset], [anchors], [p]);
// Usage: Spheroid/Ovoid Geometry
// reorient(anchor, spin, [orient], r|d, [cp], [offset], [anchors], [p]);
// Usage: VNF Geometry
// reorient(anchor, spin, [orient], vnf, [extent], [cp], [offset], [anchors], [p]);
//
// Description:
@ -638,6 +688,7 @@ function attachment_is_shown(tags) =
// offset = If given, offsets the perimeter of the volume around the centerpoint.
// anchors = If given as a list of anchor points, allows named anchor points.
// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
// axis = The vector pointing along the axis of a cylinder geometry. Default: UP
// p = The VNF, path, or point to transform.
function reorient(
anchor=CENTER,
@ -651,6 +702,7 @@ function reorient(
cp=[0,0,0],
anchors=[],
two_d=false,
axis=UP,
p=undef
) = (anchor==CENTER && spin==0 && orient==UP && p!=undef)? p : let(
geom = attach_geom(
@ -659,7 +711,7 @@ function reorient(
d=d, d1=d1, d2=d2, l=l,
vnf=vnf, path=path, extent=extent,
cp=cp, offset=offset, anchors=anchors,
two_d=two_d
two_d=two_d, axis=axis
),
$attach_to = undef
) attach_transform(anchor,spin,orient,geom,p);
@ -670,14 +722,21 @@ function reorient(
// Module: attachable()
//
// Usage:
// Usage: Square/Trapezoid Geometry
// attachable(anchor, spin, [orient], two_d, size, [size2], [shift], [cp], [offset], [anchors] ...
// Usage: Circle/Oval Geometry
// attachable(anchor, spin, [orient], two_d, r|d, [cp], [offset], [anchors]) ...
// Usage: 2D Path/Polygon Geometry
// attachable(anchor, spin, [orient], two_d, path, [extent], [cp], [offset], [anchors] ...
// Usage: Cubical/Prismoidal Geometry
// attachable(anchor, spin, [orient], size, [size2], [shift], [cp], [offset], [anchors] ...
// attachable(anchor, spin, [orient], r|d, l, [cp], [offset], [anchors]) ...
// attachable(anchor, spin, [orient], r1|d1, r2|d2, l, [cp], [offset], [anchors]) ...
// Usage: Cylindrical Geometry
// attachable(anchor, spin, [orient], r|d, l, [axis], [cp], [offset], [anchors]) ...
// Usage: Conical Geometry
// attachable(anchor, spin, [orient], r1|d1, r2|d2, l, [axis], [cp], [offset], [anchors]) ...
// Usage: Spheroid/Ovoid Geometry
// attachable(anchor, spin, [orient], r|d, [cp], [offset], [anchors]) ...
// Usage: VNF Geometry
// attachable(anchor, spin, [orient], vnf, [extent], [cp], [offset], [anchors]) ...
//
// Description:
@ -728,6 +787,7 @@ function reorient(
// offset = If given, offsets the perimeter of the volume around the centerpoint.
// anchors = If given as a list of anchor points, allows named anchor points.
// two_d = If true, the attachable shape is 2D. If false, 3D. Default: false (3D)
// axis = The vector pointing along the axis of a cylinder geometry. Default: UP
//
// Side Effects:
// `$parent_anchor` is set to the parent object's `anchor` value.
@ -753,18 +813,42 @@ function reorient(
// children();
// }
//
// Example(NORENDER): Cylindrical Shape
// Example(NORENDER): Cylindrical Shape, Z-Axis Aligned
// attachable(anchor, spin, orient, r=r, l=h) {
// cyl(r=r, l=h);
// children();
// }
//
// Example(NORENDER): Conical Shape
// Example(NORENDER): Cylindrical Shape, Y-Axis Aligned
// attachable(anchor, spin, orient, r=r, l=h, axis=BACK) {
// cyl(r=r, l=h);
// children();
// }
//
// Example(NORENDER): Cylindrical Shape, X-Axis Aligned
// attachable(anchor, spin, orient, r=r, l=h, axis=RIGHT) {
// cyl(r=r, l=h);
// children();
// }
//
// Example(NORENDER): Conical Shape, Z-Axis Aligned
// attachable(anchor, spin, orient, r1=r1, r2=r2, l=h) {
// cyl(r1=r1, r2=r2, l=h);
// children();
// }
//
// Example(NORENDER): Conical Shape, Y-Axis Aligned
// attachable(anchor, spin, orient, r1=r1, r2=r2, l=h, axis=BACK) {
// cyl(r1=r1, r2=r2, l=h);
// children();
// }
//
// Example(NORENDER): Conical Shape, X-Axis Aligned
// attachable(anchor, spin, orient, r1=r1, r2=r2, l=h, axis=RIGHT) {
// cyl(r1=r1, r2=r2, l=h);
// children();
// }
//
// Example(NORENDER): Spherical Shape
// attachable(anchor, spin, orient, r=r) {
// sphere(r=r);
@ -816,7 +900,8 @@ module attachable(
cp=[0,0,0],
offset=[0,0,0],
anchors=[],
two_d=false
two_d=false,
axis=UP
) {
assert($children==2, "attachable() expects exactly two children; the shape to manage, and the union of all attachment candidates.");
assert(!is_undef(anchor), str("anchor undefined in attachable(). Did you forget to set a default value for anchor in ", parent_module(1)));
@ -828,7 +913,7 @@ module attachable(
d=d, d1=d1, d2=d2, l=l,
vnf=vnf, path=path, extent=extent,
cp=cp, offset=offset, anchors=anchors,
two_d=two_d
two_d=two_d, axis=axis
);
m = attach_transform(anchor,spin,orient,geom);
multmatrix(m) {
@ -1142,13 +1227,26 @@ module corner_mask(corners=CORNERS_ALL, except=[]) {
// Usage:
// tags(tags) ...
// Description:
// Marks all children with the given tags.
// Marks all children with the given tags, so that they will `hide()`/`show()`/`diff()` correctly.
// This is especially useful for working with children that are not attachment enhanced, such as:
// - `square()` (or use [`rect()`](shapes2d.scad#rect))
// - `circle()` (or use [`oval()`](shapes2d.scad#oval))
// - `polygon()`
// - `text()`
// - `projection()`
// - `polyhedron()` (or use [`vnf_polyhedron()`](vnf.scad#vnf_polyhedron))
// - `linear_extrude()` (or use [`linear_sweep()`](regions.scad#linear_sweep))
// - `rotate_extrude()`
// - `surface()`
// - `import()`
// Arguments:
// tags = String containing space delimited set of tags to apply.
module tags(tags)
{
$tags = tags;
children();
if(attachment_is_shown(tags)) {
children();
}
}

2
version.scad
View file

@ -8,7 +8,7 @@
//////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,423];
BOSL_VERSION = [2,0,424];
// Section: BOSL Library Version Functions