Fix apply() to handle degenerate input of empty list.

This commit is contained in:
Adrian Mariano 2020-05-31 21:49:27 -04:00
parent 53c1e25395
commit 2ac6093a73

View file

@ -407,6 +407,7 @@ function affine3d_chain(affines, _m=undef, _i=0) =
// transformed = apply(rot(45), circle(r=3)); // Rotates 2d circle data by 45 deg
// transformed = apply(rot(45)*right(4)*scale(3), circle(r=3)); // Scales, translates and rotates 2d circle data
function apply(transform,points) =
points==[] ? [] :
is_vector(points) ? apply(transform, [points])[0] :
let(
tdim = len(transform[0])-1,