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fix: store arc angles in radians

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This commit is contained in:
Hakan Seven 2026-05-03 20:14:28 +03:00
commit d7422b9396
3 changed files with 24 additions and 16 deletions
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24
src/app/commands.rs
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@ -4104,7 +4104,12 @@ fn entity_list_details(entity: &acadrust::EntityType) -> String {
),
acadrust::EntityType::Arc(a) => format!(
"center ({:.4},{:.4},{:.4}) r={:.4} start={:.2}° end={:.2}°",
a.center.x, a.center.y, a.center.z, a.radius, a.start_angle, a.end_angle
a.center.x,
a.center.y,
a.center.z,
a.radius,
a.start_angle.to_degrees(),
a.end_angle.to_degrees()
),
acadrust::EntityType::LwPolyline(p) => format!(
"{} vertices closed={} elevation={:.4}",
@ -4266,15 +4271,14 @@ fn massprop_entity(entity: &acadrust::EntityType) -> Option<MassProps> {
acadrust::EntityType::Arc(a) => {
let r = a.radius;
let span = {
let s = ((a.end_angle - a.start_angle) + 360.0) % 360.0;
if s < 1e-6 { 360.0 } else { s }
let s = (a.end_angle - a.start_angle).rem_euclid(TAU);
if s < 1e-6 { TAU } else { s }
};
let span_rad = span.to_radians();
// Sector area (pie slice)
let area = 0.5 * r * r * span_rad;
let arc_len = r * span_rad;
let area = 0.5 * r * r * span;
let arc_len = r * span;
// Centroid of arc (chord midpoint direction)
let mid_rad = (a.start_angle + span / 2.0).to_radians();
let mid_rad = a.start_angle + span / 2.0;
Some(MassProps {
area,
perimeter: arc_len,
@ -4449,7 +4453,11 @@ fn entity_extra_info(entity: &acadrust::EntityType) -> String {
),
EntityType::Arc(e) => format!(
"C({:.3},{:.3}) R={:.3} {:.1}°-{:.1}°",
e.center.x, e.center.y, e.radius, e.start_angle, e.end_angle
e.center.x,
e.center.y,
e.radius,
e.start_angle.to_degrees(),
e.end_angle.to_degrees()
),
EntityType::Text(e) => e.value.clone(),
EntityType::MText(e) => e.value.chars().take(60).collect(),