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Fixed VNF face reversal on odd number of negative axis scale factors in functional scale()

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Revar Desmera 2019-12-04 02:48:02 -08:00
parent fa055e9469
commit f0915b8e0b
2 changed files with 9 additions and 6 deletions
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13
transforms.scad
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@ -592,7 +592,10 @@ function scale(v=1, p=undef) =
) : ( ) : (
assert(is_list(p)) assert(is_list(p))
is_num(p.x)? vmul(p,v) : is_num(p.x)? vmul(p,v) :
is_vnf(p)? [scale(v=v,p=p.x), p.y] : is_vnf(p)? let(inv=product([for (x=v) x<0? -1 : 1])) [
scale(v=v,p=p.x),
inv>=0? p.y : [for (l=p.y) reverse(l)]
] :
[for (l=p) is_vector(l)? vmul(l,v) : scale(v=v, p=l)] [for (l=p) is_vector(l)? vmul(l,v) : scale(v=v, p=l)]
); );
@ -627,8 +630,8 @@ function scale(v=1, p=undef) =
// //
// Example(2D): Scaling Points // Example(2D): Scaling Points
// path = circle(d=50,$fn=12); // path = circle(d=50,$fn=12);
// #stroke(path); // #stroke(path,closed=true);
// stroke(xscale(2,p=path)); // stroke(xscale(2,p=path),closed=true);
module xscale(x=1) scale([x,1,1]) children(); module xscale(x=1) scale([x,1,1]) children();
function xscale(x=1, p=undef, planar=false) = (planar || (!is_undef(p) && len(p)==2))? scale([x,1],p=p) : scale([x,1,1],p=p); function xscale(x=1, p=undef, planar=false) = (planar || (!is_undef(p) && len(p)==2))? scale([x,1],p=p) : scale([x,1,1],p=p);
@ -663,8 +666,8 @@ function xscale(x=1, p=undef, planar=false) = (planar || (!is_undef(p) && len(p)
// //
// Example(2D): Scaling Points // Example(2D): Scaling Points
// path = circle(d=50,$fn=12); // path = circle(d=50,$fn=12);
// #stroke(path); // #stroke(path,closed=true);
// stroke(yscale(2,p=path)); // stroke(yscale(2,p=path),closed=true);
module yscale(y=1) scale([1,y,1]) children(); module yscale(y=1) scale([1,y,1]) children();
function yscale(y=1, p=undef, planar=false) = (planar || (!is_undef(p) && len(p)==2))? scale([1,y],p=p) : scale([1,y,1],p=p); function yscale(y=1, p=undef, planar=false) = (planar || (!is_undef(p) && len(p)==2))? scale([1,y],p=p) : scale([1,y,1],p=p);

2
version.scad
View File

@ -8,7 +8,7 @@
////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,52]; BOSL_VERSION = [2,0,53];
// Section: BOSL Library Version Functions // Section: BOSL Library Version Functions