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Fix for #1200

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Revar Desmera 2023-08-03 17:10:21 -07:00
parent fd1c31bb0d
commit b0094b65b5
1 changed files with 14 additions and 6 deletions
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20
skin.scad
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@ -636,6 +636,11 @@ function skin(profiles, slices, refine=1, method="direct", sampling, caps, close
// ]
// ];
// linear_sweep(path, texture=tex, tex_size=[5,5], h=40);
// Example: Textured with twist and scale.
// linear_sweep(regular_ngon(n=3, d=50),
// texture="rough", h=100, tex_scale=2,
// tex_size=[20,20], style="min_edge",
// convexity=10, scale=0.2, twist=120);
// Example: As Function
// path = glued_circles(r=15, spread=40, tangent=45);
// vnf = linear_sweep(
@ -664,7 +669,7 @@ function skin(profiles, slices, refine=1, method="direct", sampling, caps, close
// linear_sweep(circle(20), texture=tile,
// tex_size=[30,20],tex_scale=15,
// h=40,convexity=4);
// Example: This example shoes some endcap polygons missing and a spurious triangle
// Example: This example shows some endcap polygons missing and a spurious triangle
// shape = skin([rect(2/5),
// rect(2/3),
// rect(2/5)],
@ -3634,14 +3639,15 @@ function _textured_linear_sweep(
let(
v = (i + (ti/texcnt.y)) / counts.y,
sc = lerp([1, 1, 1], scale, v),
mat = down((v-0.5)*h) *
mat = up((v-0.5)*h) *
scale(sc) *
zrot(twist*v)
) apply(mat, tile_rows[ti])
) apply(mat, tile_rows[texcnt.y-ti-1])
]
) vnf_vertex_array(
tiles, caps=false, style=style,
col_wrap=true, row_wrap=false
col_wrap=true, row_wrap=false,
reverse=true
)
) vnf
]),
@ -3670,8 +3676,10 @@ function _textured_linear_sweep(
]
) nupath
],
bot_vnf = !caps[0] || brgn==[[]] ? EMPTY_VNF:vnf_from_region(brgn, down(h/2), reverse=true),
top_vnf = !caps[1] || brgn==[[]] ? EMPTY_VNF:vnf_from_region(brgn, tmat, reverse=false)
bot_vnf = !caps[0] || brgn==[[]] ? EMPTY_VNF
: vnf_from_region(brgn, down(h/2), reverse=true),
top_vnf = !caps[1] || brgn==[[]] ? EMPTY_VNF
: vnf_from_region(brgn, tmat, reverse=false)
) vnf_join([walls_vnf, bot_vnf, top_vnf])
]),
skmat = down(h/2) * skew(sxz=shift.x/h, syz=shift.y/h) * up(h/2),