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Fix face orientation bugs in vnf_vertex_array, rounded_prism,

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bezier_patch_degenerate.  Added reverse option to count().
This commit is contained in:
Adrian Mariano
2021-04-12 20:15:01 -04:00
parent d4d5794ef2
commit dea5949df8
4 changed files with 67 additions and 70 deletions
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5
beziers.scad
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@@ -1328,7 +1328,6 @@ function bezier_patch_degenerate(patch, splinesteps=16, reverse=false, return_ed
let(
row_degen = [for(row=patch) all_equal(row)],
col_degen = [for(col=transpose(patch)) all_equal(col)],
top_degen = row_degen[0],
bot_degen = last(row_degen),
left_degen = col_degen[0],
@@ -1362,7 +1361,7 @@ function bezier_patch_degenerate(patch, splinesteps=16, reverse=false, return_ed
for(j=[0:splinesteps-2]) bezier_points(subindex(bpatch,j+1), lerpn(0,1,rowcount[j])),
[last(bpatch[0])]
],
vnf = vnf_tri_array(pts, reverse=reverse)
vnf = vnf_tri_array(pts, reverse=!reverse)
) [
vnf,
[
@@ -1390,7 +1389,7 @@ function bezier_patch_degenerate(patch, splinesteps=16, reverse=false, return_ed
[bpatch[0][0]],
for(j=[1:splinesteps]) bezier_points(subindex(bpatch,j), lerpn(0,1,rowmax[j]+1))
],
vnf = vnf_tri_array(pts, reverse=reverse)
vnf = vnf_tri_array(pts, reverse=!reverse)
) [
vnf,
[