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Cleanup intersection resolving

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This commit is contained in:
Connor Slade
2025-02-10 16:53:02 -05:00
parent 6a8a9ccfda
commit d170554746
1 changed files with 11 additions and 16 deletions
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27
slicer/src/slicer.rs
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@@ -147,30 +147,25 @@ impl Slicer {
// another mesh, these intersections are removed. This is
// done by looking at the direction each line segment is
// facing. For example, <- <- -> -> would be reduced to <- ->.
let mut i = 1;
let mut ignore = 0;
while i < intersections.len() {
let (_, last_facing) = intersections[i - 1];
let (_, facing) = intersections[i];
let mut filtered = Vec::with_capacity(intersections.len());
let mut depth = 0;
if facing == last_facing {
intersections.remove(i);
ignore += 1;
} else if ignore > 0 {
intersections.remove(i);
ignore -= 1;
} else {
i += 1;
for (pos, dir) in intersections {
let prev_depth = depth;
depth += (dir as i32) * 2 - 1;
if (depth == 0) ^ (prev_depth == 0) {
filtered.push(pos);
}
}
// Convert the intersections into runs of white pixels to be
// encoded into the layer
for span in intersections.chunks_exact(2) {
for span in filtered.chunks_exact(2) {
let y_offset = (self.slice_config.platform_resolution.x * y) as u64;
let a = span[0].0.round() as u64;
let b = span[1].0.round() as u64;
let a = span[0].round() as u64;
let b = span[1].round() as u64;
let start = a + y_offset;
let end = b + y_offset;