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hatch boundary correction for cw ccw

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Hakan Seven committed 2026-05-09 23:56:04 +03:00
1 parent fba207a40a
commit 461d0c5d86
1 file changed
+9 -12
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src/scene/tessellate.rs
+9 -12
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@@ -26,6 +26,8 @@ use crate::scene::truck_tess::{
};
use crate::scene::wire_model::{SnapHint, TangentGeom, WireModel};
const TAU: f64 = std::f64::consts::TAU;
// ── Colour helper ──────────────────────────────────────────────────────────
/// Convert an acadrust Color (ACI index or true-color) to a GPU RGBA value.
@@ -762,22 +764,17 @@ fn legacy_geometry(entity: &EntityType, world_offset: [f64; 3]) -> Geometry {
key_verts.push(p1);
}
acadrust::entities::BoundaryEdge::CircularArc(arc) => {
let (sa, ea) = if arc.counter_clockwise {
(arc.start_angle as f32, arc.end_angle as f32)
} else {
(arc.end_angle as f32, arc.start_angle as f32)
};
let span = if ea > sa {
ea - sa
} else {
ea - sa + std::f32::consts::TAU
};
let segs = ((span / std::f32::consts::TAU) * 32.0)
let sa = arc.start_angle;
let ea = arc.end_angle;
let ccw_end = if ea >= sa { ea } else { ea + TAU };
let (start_a, end_a) = (sa, ccw_end);
let span = end_a - start_a;
let segs = ((span / TAU) * 32.0)
.ceil()
.max(4.0) as u32;
if !pts.is_empty() { pts.push([f32::NAN; 3]); }
for i in 0..=segs {
let t = sa + span * (i as f32 / segs as f32);
let t = sa + span * (i as f64 / segs as f64);
let p = to_wcs(
arc.center.x + arc.radius * t.cos() as f64,
arc.center.y + arc.radius * t.sin() as f64,