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mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-09 00:06:42 +02:00
This commit is contained in:
Justin Lin
2022-05-13 13:13:01 +08:00
parent ef361c5d22
commit db376e5290

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@@ -22,7 +22,7 @@ module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH", con
leng_pts = len(points); leng_pts = len(points);
range = [0:leng_pts - 1]; range = [0:leng_pts - 1];
cnn_indices_faces = [ conn_indices_tris = [
for(tri = real_triangles, i = range) for(tri = real_triangles, i = range)
if(contains(tri, i)) [i, tri] if(contains(tri, i)) [i, tri]
]; ];
@@ -32,8 +32,8 @@ module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH", con
mid_pt = sorted(points)[leng_pts / 2]; mid_pt = sorted(points)[leng_pts / 2];
mid_i = search([mid_pt], points)[0]; mid_i = search([mid_pt], points)[0];
indices = search(mid_i, cnn_indices_faces, num_returns_per_match = 0); indices = search(mid_i, conn_indices_tris, num_returns_per_match = 0);
connected_tris = [for(j = indices) cnn_indices_faces[j][1]]; connected_tris = [for(j = indices) conn_indices_tris[j][1]];
nvs = [for(tri = connected_tris) _face_normal([for(i = [2, 1, 0]) points[tri[i]]])]; // OpenSCAD requires clockwise nvs = [for(tri = connected_tris) _face_normal([for(i = [2, 1, 0]) points[tri[i]]])]; // OpenSCAD requires clockwise
nv = sum(nvs) / len(nvs); nv = sum(nvs) / len(nvs);
@@ -51,8 +51,8 @@ module sf_thickenT(points, thickness, triangles = undef, direction = "BOTH", con
vertex_normals = [ vertex_normals = [
for(i = [0:leng_pts - 1]) for(i = [0:leng_pts - 1])
let( let(
indices = search(i, cnn_indices_faces, num_returns_per_match = 0), indices = search(i, conn_indices_tris, num_returns_per_match = 0),
connected_tris = [for(j = indices) cnn_indices_faces[j][1]], connected_tris = [for(j = indices) conn_indices_tris[j][1]],
face_normals = [ face_normals = [
for(tri = connected_tris) for(tri = connected_tris)
_face_normal([for(k = [2, 1, 0]) points[tri[k]]]) // OpenSCAD requires clockwise _face_normal([for(k = [2, 1, 0]) points[tri[k]]]) // OpenSCAD requires clockwise