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optimization

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Justin Lin
2022-04-29 09:12:10 +08:00
parent 309098dfcc
commit 77f74c36ec
1 changed files with 120 additions and 131 deletions
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75
src/surface/sf_solidify.scad
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@@ -15,46 +15,49 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
rows = len(surface1); rows = len(surface1);
columns = len(surface1[0]); columns = len(surface1[0]);
yi_range = [0:rows - 2]; // dimensionality reduction
xi_range = [0:columns - 2]; indices = [
for(y = [0:rows - 1])
module faces() { [for(x = [0:columns - 1]) y * columns + x]
function xy_to_index(x, y, columns) = y * columns + x; ];
flatted_sf1 = flat(surface1); flatted_sf1 = flat(surface1);
flatted_sf2 = flat(surface2); flatted_sf2 = flat(surface2);
leng_pts = len(flatted_sf1); leng_pts = len(flatted_sf1);
yi_range = [0:rows - 2];
xi_range = [0:columns - 2];
sf1_tri_faces1 = slicing == "SLASH" ? [ sf1_tri_faces1 = slicing == "SLASH" ? [
for(yi = yi_range, xi = xi_range) for(yi = yi_range, xi = xi_range)
[ [
xy_to_index(xi, yi, columns), indices[yi][xi],
xy_to_index(xi + 1, yi + 1, columns), indices[yi + 1][xi + 1],
xy_to_index(xi + 1, yi, columns) indices[yi][xi + 1]
] ]
] : [ ] : [
for(yi = yi_range, xi = xi_range) for(yi = yi_range, xi = xi_range)
[ [
xy_to_index(xi, yi, columns), indices[yi][xi],
xy_to_index(xi, yi + 1, columns), dim_reduce(xi, yi + 1, columns),
xy_to_index(xi + 1, yi, columns) dim_reduce(xi + 1, yi, columns)
] ]
]; ];
sf1_tri_faces2 = slicing == "SLASH" ? [ sf1_tri_faces2 = slicing == "SLASH" ? [
for(yi = yi_range, xi = xi_range) for(yi = yi_range, xi = xi_range)
[ [
xy_to_index(xi, yi, columns), indices[yi][xi],
xy_to_index(xi, yi + 1, columns), indices[yi + 1][xi],
xy_to_index(xi + 1, yi + 1, columns) indices[yi + 1][xi + 1]
] ]
] : [ ] : [
for(yi = yi_range, xi = xi_range) for(yi = yi_range, xi = xi_range)
[ [
xy_to_index(xi, yi + 1, columns), indices[yi + 1][xi],
xy_to_index(xi + 1, yi + 1, columns), indices[yi + 1][xi + 1],
xy_to_index(xi + 1, yi, columns) indices[yi][xi + 1]
] ]
]; ];
@@ -72,8 +75,8 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
side_faces1 = [ side_faces1 = [
for(xi = xi_range) for(xi = xi_range)
let( let(
idx1 = xy_to_index(xi, 0, columns), idx1 = indices[0][xi],
idx2 = xy_to_index(xi + 1, 0, columns) idx2 = indices[0][xi + 1]
) )
[ [
idx1, idx1,
@@ -87,8 +90,8 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
for(yi = yi_range) for(yi = yi_range)
let( let(
xi = columns - 1, xi = columns - 1,
idx1 = xy_to_index(xi, yi, columns), idx1 = indices[yi][xi],
idx2 = xy_to_index(xi, yi + 1, columns) idx2 = indices[yi + 1][xi]
) )
[ [
idx1, idx1,
@@ -102,8 +105,8 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
for(xi = xi_range) for(xi = xi_range)
let( let(
yi = rows - 1, yi = rows - 1,
idx1 = xy_to_index(xi, yi, columns), idx1 = indices[yi][xi],
idx2 = xy_to_index(xi + 1, yi, columns) idx2 = indices[yi][xi + 1]
) )
[ [
idx2, idx2,
@@ -116,8 +119,8 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
side_faces4 = [ side_faces4 = [
for(yi = yi_range) for(yi = yi_range)
let( let(
idx1 = xy_to_index(0, yi, columns), idx1 = indices[yi][0],
idx2 = xy_to_index(0, yi + 1, columns) idx2 = indices[yi + 1][0]
) )
[ [
idx2, idx2,
@@ -127,30 +130,16 @@ module sf_solidify(surface1, surface2, slicing = "SLASH", convexity = 1) {
] ]
]; ];
pts = concat(flatted_sf1, flatted_sf2); polyhedron(
face_idxs = concat( points = concat(flatted_sf1, flatted_sf2),
faces = concat(
sf1_tri_faces1, sf1_tri_faces2, sf1_tri_faces1, sf1_tri_faces2,
sf2_tri_faces1, sf2_tri_faces2, sf2_tri_faces1, sf2_tri_faces2,
side_faces1, side_faces1,
side_faces2, side_faces2,
side_faces3, side_faces3,
side_faces4 side_faces4
); ),
polyhedron(
points = pts,
faces = face_idxs,
convexity = convexity convexity = convexity
); );
// hook for testing
test_surface_grapher_faces(pts, face_idxs);
}
faces();
}
// override it to test
module test_surface_grapher_faces(surface1, faces) {
} }