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Fix offset_sweep for change to scale() and to handle undefs in the RC

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Adrian Mariano 2020-12-12 22:37:35 -05:00
parent ecb915eb8f
commit ce8bc6f818
1 changed files with 11 additions and 5 deletions
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14
rounding.scad
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@ -349,11 +349,16 @@ function _rounding_offsets(edgespec,z_dir=1) =
chamf_angle = struct_val(edgespec, "angle"),
cheight = struct_val(edgespec, "chamfer_height"),
cwidth = struct_val(edgespec, "chamfer_width"),
chamf_width = first_defined([cut/cos(chamf_angle), cwidth, cheight*tan(chamf_angle)]),
chamf_height = first_defined([cut/sin(chamf_angle),cheight, cwidth/tan(chamf_angle)]),
chamf_width = first_defined([!all_defined([cut,chamf_angle]) ? undef : cut/cos(chamf_angle),
cwidth,
!all_defined([cheight,chamf_angle]) ? undef : cheight*tan(chamf_angle)]),
chamf_height = first_defined([
!all_defined([cut,chamf_angle]) ? undef : cut/sin(chamf_angle),
cheight,
!all_defined([cwidth, chamf_angle]) ? undef : cwidth/tan(chamf_angle)]),
joint = first_defined([
struct_val(edgespec,"joint"),
16*cut/sqrt(2)/(1+4*k)
all_defined([cut,k]) ? 16*cut/sqrt(2)/(1+4*k) : undef
]),
points = struct_val(edgespec, "points"),
argsOK = in_list(edgetype,["circle","teardrop"])? is_def(radius) :
@ -365,7 +370,7 @@ function _rounding_offsets(edgespec,z_dir=1) =
assert(argsOK,str("Invalid specification with type ",edgetype))
let(
offsets =
edgetype == "profile"? scale([-1,z_dir], slice(points,1,-1)) :
edgetype == "profile"? scale([-1,z_dir], p=slice(points,1,-1)) :
edgetype == "chamfer"? chamf_width==0 && chamf_height==0? [] : [[-chamf_width,z_dir*abs(chamf_height)]] :
edgetype == "teardrop"? (
radius==0? [] : concat(
@ -380,6 +385,7 @@ function _rounding_offsets(edgespec,z_dir=1) =
1, -1
)
)
quant(extra > 0? concat(offsets, [select(offsets,-1)+[0,z_dir*extra]]) : offsets, 1/1024);