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change "flat" to "chamfer". 2 move examples

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This commit is contained in:
Adrian Mariano 2022-01-17 22:34:50 -05:00
parent 3e356c7c34
commit d81eb6d0e0
1 changed files with 8 additions and 8 deletions
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16
rounding.scad
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@ -230,9 +230,9 @@ include <structs.scad>
// path_len = path_segment_lengths(path,closed=true);
// halflen = [for(i=idx(path)) min(select(path_len,i-1,i))/2];
// polygon(round_corners(path,joint = halflen, method="circle",verbose=true));
// Example(2D): Chamfering, specifying the flats
// Example(2D): Chamfering, specifying the chamfer length
// path = star(5, step=2, d=100);
// path2 = round_corners(path, method="chamfer", flat=5);
// path2 = round_corners(path, method="chamfer", chamfer=5);
// polygon(path2);
// Example(2D): Chamfering, specifying the cut
// path = star(5, step=2, d=100);
@ -279,19 +279,19 @@ include <structs.scad>
// rpath1 = round_corners(path, cut=chamfcut, method="chamfer");
// rpath2 = round_corners(rpath1, cut=repeat_entries(roundcut,dups));
// polygon(rpath2);
module round_corners(path, method="circle", radius, cut, joint, flat, k, closed=true, verbose=false) {no_module();}
function round_corners(path, method="circle", radius, cut, joint, flat, k, closed=true, verbose=false) =
module round_corners(path, method="circle", radius, cut, joint, chamfer, k, closed=true, verbose=false) {no_module();}
function round_corners(path, method="circle", radius, cut, joint, chamfer, k, closed=true, verbose=false) =
assert(in_list(method,["circle", "smooth", "chamfer"]), "method must be one of \"circle\", \"smooth\" or \"chamfer\"")
let(
default_k = 0.5,
size=one_defined([radius, cut, joint, flat], "radius,cut,joint,flat"),
size=one_defined([radius, cut, joint, chamfer], "radius,cut,joint,chamfer"),
path = force_path(path),
size_ok = is_num(size) || len(size)==len(path) || (!closed && len(size)==len(path)-2),
k_ok = is_undef(k) || (method=="smooth" && (is_num(k) || len(k)==len(path) || (!closed && len(k)==len(path)-2))),
measure = is_def(radius) ? "radius"
: is_def(cut) ? "cut"
: is_def(joint) ? "joint"
: "flat"
: "chamfer"
)
assert(is_path(path,[2,3]), "input path must be a 2d or 3d path")
assert(len(path)>2,str("Path has length ",len(path),". Length must be 3 or more."))
@ -299,7 +299,7 @@ function round_corners(path, method="circle", radius, cut, joint, flat, k, close
assert(k_ok,method=="smooth" ? str("Input k must be a number or list with length ",len(path), closed?"":str(" or ",len(path)-2)) :
"Input k is only allowed with method=\"smooth\"")
assert(method=="circle" || measure!="radius", "radius parameter allowed only with method=\"circle\"")
assert(method=="chamfer" || measure!="flat", "flat parameter allowed only with method=\"chamfer\"")
assert(method=="chamfer" || measure!="chamfer", "chamfer parameter allowed only with method=\"chamfer\"")
let(
parm = is_num(size) ? repeat(size, len(path)) :
len(size)<len(path) ? [0, each size, 0] :
@ -333,7 +333,7 @@ function round_corners(path, method="circle", radius, cut, joint, flat, k, close
str("Path turns back on itself at index ",i," with nonzero rounding"))
(method=="chamfer" && measure=="joint")? [parm[i]] :
(method=="chamfer" && measure=="cut") ? [parm[i]/cos(angle)] :
(method=="chamfer" && measure=="flat") ? [parm[i]/sin(angle)/2] :
(method=="chamfer" && measure=="chamfer") ? [parm[i]/sin(angle)/2] :
(method=="smooth" && measure=="joint") ? [parm[i],k[i]] :
(method=="smooth" && measure=="cut") ? [8*parm[i]/cos(angle)/(1+4*k[i]),k[i]] :
(method=="circle" && measure=="radius")? [parm[i]/tan(angle), parm[i]] :