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Code Issues Releases Wiki Activity

improved solid sections performance

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Justin Lin
2017-05-10 16:05:43 +08:00
parent a7a93b8d0a
commit 96861fb862
1 changed files with 96 additions and 53 deletions
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45
src/polysections.scad
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@@ -14,7 +14,42 @@
include <__private__/__triangles_radial.scad>;
include <__private__/__triangles_tape.scad>;
module polysections(sections, triangles = "RADIAL") {
module polysections(sections, triangles) {
module solid_sections() {
leng_sections = len(sections);
leng_pts_section = len(sections[0]);
side_idxes = [
for(j = [0:leng_pts_section:(leng_sections - 2) * leng_pts_section])
for(i = [0:leng_pts_section - 1])
[
j + i,
j + (i + 1) % leng_pts_section,
j + (i + 1) % leng_pts_section + leng_pts_section ,
j + i + leng_pts_section
]
];
first_idxes = [for(i = [0:leng_pts_section - 1]) i];
last_idxes = [
for(i = [0:leng_pts_section - 1])
i + leng_pts_section * (leng_sections - 1)
];
v_pts = [
for(section = sections)
for(pt = section)
pt
];
polyhedron(
v_pts,
concat([first_idxes], side_idxes, [last_idxes])
);
}
module triangles_defined_sections() {
module tri_sections(tri1, tri2) {
polyhedron(
points = concat(tri1, tri2),
@@ -76,4 +111,12 @@ module polysections(sections, triangles = "RADIAL") {
sections[i + 1]
);
}
}
//
if(triangles == undef) {
solid_sections();
} else {
triangles_defined_sections();
}
}