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Merge branch 'master' into master

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Revar Desmera
2020-03-22 21:42:14 -07:00
committed by GitHub
parent 187311c484 e296c3137e
commit a9e72f06da
19 changed files with 520 additions and 352 deletions
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23
polyhedra.scad
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@@ -337,7 +337,7 @@ module regular_polyhedron(
// Would like to orient so an edge (longest edge?) is parallel to x axis
facepts = move(translation, p=select(scaled_points, faces[i]));
center = mean(facepts);
rotatedface = rotate_points3d(move(-center, p=facepts), from=face_normals[i], to=[0,0,1]);
rotatedface = rot(from=face_normals[i], to=[0,0,1], p=move(-center, p=facepts));
clockwise = sortidx([for(pt=rotatedface) -atan2(pt.y,pt.x)]);
$face = rotate_children?
path2d(select(rotatedface,clockwise)) :
@@ -682,21 +682,22 @@ function regular_polyhedron_info(
facedown = facedown == true ? (stellate==false? entry[facevertices][0] : 3) : facedown,
down_direction = facedown == false? [0,0,-1] :
faces_normals_vertices[1][search(facedown, faces_vertex_count)[0]],
scaled_points = scalefactor * rotate_points3d(faces_normals_vertices[2], from=down_direction, to=[0,0,-1]),
scaled_points = scalefactor * rot(p=faces_normals_vertices[2], from=down_direction, to=[0,0,-1]),
bounds = pointlist_bounds(scaled_points),
boundtable = [bounds[0], [0,0,0], bounds[1]],
translation = [for(i=[0:2]) -boundtable[1+anchor[i]][i]],
face_normals = rotate_points3d(faces_normals_vertices[1], from=down_direction, to=[0,0,-1]),
face_normals = rot(p=faces_normals_vertices[1], from=down_direction, to=[0,0,-1]),
side_length = scalefactor * entry[edgelen]
)
info == "fullentry" ? [scaled_points,
translation,
stellate ? faces : face_triangles,
faces,
face_normals,
side_length*entry[in_radius]] :
info == "vnf" ? [move(translation,p=scaled_points),
stellate ? faces : face_triangles] :
info == "fullentry" ? [
scaled_points,
translation,
stellate ? faces : face_triangles,
faces,
face_normals,
side_length*entry[in_radius]
] :
info == "vnf" ? [move(translation,p=scaled_points), stellate ? faces : face_triangles] :
info == "vertices" ? move(translation,p=scaled_points) :
info == "faces" ? faces :
info == "face normals" ? face_normals :