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fix: correct polyline arc direction, text precision, Face3D edge color, buffer chunking

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- fix: polyline arc center sign was inverted (- → +) causing arcs to render on the
  wrong side in LwPolyline and Polyline2D
- fix: store glyph strokes in local space with f64 origin so world_offset subtraction
  uses f64 precision; prevents blocky text at large UTM coordinates
- fix: Face3D fill darkened to 45% so edge wires are visually distinct from fill
- fix: wire batch vertex buffer chunked to 256 MB GPU limit (was panic on large files)
- fix: gpu_face3d_edges changed from Option<WireGpu> to Vec<WireGpu> to support chunks

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-04-29 20:58:44 +03:00
commit 1a19a841e6
11 changed files with 136 additions and 113 deletions
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21
src/entities/text.rs
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@ -5,7 +5,7 @@ use crate::command::EntityTransform;
use crate::entities::common::{edit_prop as edit, parse_f64, square_grip};
use crate::entities::text_support::{resolve_dxf_special_chars, resolve_text_style, text_local_bounds};
use crate::entities::traits::{Grippable, PropertyEditable, Transformable, TruckConvertible};
use crate::scene::acad_to_truck::{TruckEntity, TruckObject};
use crate::scene::acad_to_truck::{TextStroke, TruckEntity, TruckObject};
use crate::scene::cxf;
use crate::scene::object::{GripApply, GripDef, PropSection, PropValue, Property};
use crate::scene::wire_model::SnapHint;
@ -101,14 +101,17 @@ fn to_truck(t: &Text, document: &acadrust::CadDocument) -> TruckEntity {
} else {
(0.0, 0.0)
};
let (cos_r, sin_r) = (rotation.cos(), rotation.sin());
let origin = [
anchor[0] - (anchor_local_x * cos_r - anchor_local_y * sin_r),
anchor[1] - (anchor_local_x * sin_r + anchor_local_y * cos_r),
let (cos_r, sin_r) = (rotation.cos() as f64, rotation.sin() as f64);
// Keep origin as f64 — large coordinates (UTM etc.) must not be cast to
// f32 here; world_offset subtraction happens later in tessellate.rs.
let anchor_f64 = [anchor[0] as f64, anchor[1] as f64];
let origin: [f64; 2] = [
anchor_f64[0] - (anchor_local_x as f64 * cos_r - anchor_local_y as f64 * sin_r),
anchor_f64[1] - (anchor_local_x as f64 * sin_r + anchor_local_y as f64 * cos_r),
];
// Pass raw value — tessellate_text_ex resolves %%x codes and emits decoration strokes.
let strokes_2d = cxf::tessellate_text_ex(
origin,
// Strokes are in glyph-local space (origin = [0,0]).
let strokes = cxf::tessellate_text_ex(
[0.0, 0.0],
t.height as f32,
rotation,
width_factor,
@ -117,7 +120,7 @@ fn to_truck(t: &Text, document: &acadrust::CadDocument) -> TruckEntity {
&t.value,
);
TruckEntity {
object: TruckObject::Text(strokes_2d),
object: TruckObject::Text(vec![TextStroke { strokes, origin }]),
snap_pts: vec![(snap_pt, SnapHint::Insertion)],
tangent_geoms: vec![],
key_vertices: vec![],