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metaballs contour parameter fix

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Adrian Mariano 2025-04-02 20:56:57 -04:00
parent 10132e5780
commit bdb58bcc99
2 changed files with 11 additions and 11 deletions
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20
isosurface.scad
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@ -2998,15 +2998,15 @@ function mb_ring(r1,r2, cutoff=INF, influence=1, negative=false, hide_debug=fals
// bounding_box = [[-16,-13],[18,13]],
// pixel_size=0.4);
// Example(2D,Med,NoAxes: Demonstration of `debug=true` with a variety of metaball shapes. The metaballs themselves are shown as outlines, with the underlying primitive shape shown in blue (for positive metaballs) or orange (for negative metaballs).
// spec = [
// IDENT, mb_ring(r1=6, r2=9),
// move([15,0]), mb_circle(3),
// IDENT, mb_connector2d([10,10],[15,15],1),
// move([-12,12])*zrot(45), mb_rect([3,5]),
// move([-14,-14])*zrot(-45), mb_trapezoid(10,w1=7,w2=2,rounding=0.99),
// move([10,-10]), mb_circle(2, cutoff=10, negative=true)
// ];
// metaballs2d(spec, [[-20,-20],[20,17]], pixel_size=0.5, debug=true);
spec = [
IDENT, mb_ring(r1=6, r2=9),
move([15,0]), mb_circle(3),
IDENT, mb_connector2d([10,10],[15,15],1),
move([-12,12])*zrot(45), mb_rect([3,5]),
move([-14,-14])*zrot(-45), mb_trapezoid(10,w1=7,w2=2,rounding=0.99),
move([10,-10]), mb_circle(2, cutoff=10, negative=true)
];
metaballs2d(spec, [[-20,-20],[20,17]], pixel_size=0.5, debug=true);
module metaballs2d(spec, bounding_box, pixel_size, pixel_count, isovalue=1, use_centers=false, smoothing=undef, exact_bounds=false, convexity=6, cp="centroid", anchor="origin", spin=0, atype="hull", show_stats=false, show_box=false, debug=false) {
regionlist = metaballs2d(spec, bounding_box, pixel_size, pixel_count, isovalue, true, use_centers, smoothing, exact_bounds, show_stats, _debug=debug);
@ -3051,7 +3051,7 @@ function metaballs2d(spec, bounding_box, pixel_size, pixel_count, isovalue=1, cl
assert(is_finite(isovalue) || (is_list(isovalue) && len(isovalue)==2 && is_num(isovalue[0]) && is_num(isovalue[1])), "\nIsovalue must be a number or a range; a number is the same as [number,INF].")
assert(len(spec)%2==0, "\nThe spec parameter must be an even-length list of alternating transforms and functions")
let(
isoval = is_list(isovalue) ? (is_finite(isovalue[0]) ? isovalue[0] : isovalue[1]) : isovalue,
isoval = is_list(isovalue) ? isovalue : [isovalue,INF],
funclist = _mb_unwind_list(spec, twoD=true),
nballs = len(funclist)/2,
dummycheck = [

2
shapes3d.scad
View File

@ -1014,7 +1014,7 @@ function regular_prism(n,
let(
style = default(style,"min_edge"),
tex_depth = default(tex_depth,1),
height = one_defined([l, h, length, height],"l,h,length,height",dflt=1),
height = one_defined([l, h, length, height],"l,h,length,height"),
sc = 1/cos(180/n),
ir1 = u_mul(default(ir1,ir), sc),
ir2 = u_mul(default(ir2,ir), sc),