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Changed align->anchor to match rest of BOSL2.

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Revar Desmera 2019-05-04 20:57:57 -07:00
parent 479dc6e994
commit b992bb9711
1 changed files with 10 additions and 10 deletions
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20
polyhedra.scad
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@ -114,8 +114,8 @@ function _unique_groups(m) = [
// or = outer radius. Polyhedron is scaled so it has the specified outer radius. Overrides side.
// r = outer radius. Overrides or.
// d = outer diameter. Overrides or.
// align = Side of the origin to align to. The bounding box of the polyhedron is aligned as specified. Use `V_` constants from `constants.scad`. Default: `V_CENTER`
// center = If given, overrides `align`. A true value sets `align=V_CENTER`, false sets `align=V_UP+V_BACK+V_RIGHT`.
// anchor = Side of the origin to anchor to. The bounding box of the polyhedron is aligned as specified. Use directional constants from `constants.scad`. Default: `CENTER`
// center = If given, overrides `anchor`. A true value sets `anchor=CENTER`, false sets `anchor=UP+BACK+RIGHT`.
// facedown = If false display the solid in native orientation. If true orient it with a largest face down. If set to a vertex count, orient it so a face with the specified number of vertices is down. Default: true.
// rounding = Specify a rounding radius for the shape. Note that depending on $fn the dimensions of the shape may have small dimensional errors.
// repeat = If true then repeat the children to fill all the faces. If false use only the available children and stop. Default: true.
@ -131,7 +131,7 @@ function _unique_groups(m) = [
// `$center` - polyhedron center in the child coordinate system
//
// Examples: All of the available polyhedra by name in their native orientation
// regular_polyhedron("tetrahedron", facedown=false); facedown=false);
// regular_polyhedron("tetrahedron", facedown=false);
// regular_polyhedron("cube", facedown=false);
// regular_polyhedron("octahedron", facedown=false);
// regular_polyhedron("dodecahedron", facedown=false);
@ -204,9 +204,9 @@ function _unique_groups(m) = [
// text(str($faceindex),halign="center",valign="center");
// }
// Example: With `rotate_children` you can control direction of the children.
// right(3)regular_polyhedron( name="tetrahedron", align=V_UP,rotate_children=false)
// right(3)regular_polyhedron( name="tetrahedron", anchor=UP,rotate_children=false)
// cylinder(r=.1, h=.5);
// regular_polyhedron( name="tetrahedron", align=V_UP,rotate_children=true)
// regular_polyhedron( name="tetrahedron", anchor=UP,rotate_children=true)
// cylinder(r=.1, h=.5);
// Example: Using `$face` you can have full control of the construction of your children. This example constructs the Great Icosahedron.
// module makestar(pts) { // Make a star from a point list
@ -269,7 +269,7 @@ module regular_polyhedron(
or=undef,
r=undef,
d=undef,
align=[0,0,0],
anchor=[0,0,0],
center=undef,
rounding=0,
repeat=true,
@ -287,7 +287,7 @@ module regular_polyhedron(
hasfaces=hasfaces, side=side,
ir=ir, mr=mr, or=or,
r=r, d=d,
align=align, center=center,
anchor=anchor, center=center,
facedown=facedown,
stellate=stellate,
longside=longside, h=h
@ -547,11 +547,11 @@ function regular_polyhedron_info(
hasfaces=undef, side=1,
ir=undef, mr=undef, or=undef,
r=undef, d=undef,
align=[0,0,0], center=undef,
anchor=[0,0,0], center=undef,
facedown=true, stellate=false,
longside=undef, h=undef // special parameters for trapezohedron
) = let(
align = !is_undef(center) ? [0,0,0] : align,
anchor = !is_undef(center) ? [0,0,0] : anchor,
argcount = len(remove_undefs([ir,mr,or,r,d]))
)
assert(argcount<=1, "You must specify only one of 'ir', 'mr', 'or', 'r', and 'd'")
@ -640,7 +640,7 @@ function regular_polyhedron_info(
scaled_points = scalefactor * rotate_points3d(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-align[i]][i]],
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]),
side_length = scalefactor * entry[edgelen]
)