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feat(entities): render + property builder for loaded Helix entities

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A helix loaded from a DWG (AcDbHelix) previously fell through to the
fallback: it did not render, had no grips, could not be moved, and showed
only a Type row. Add src/entities/helix.rs which drives all of these
through the embedded spline (render/grips/transform) and exposes the
generating parameters — base point, turns, turn height, height, base/top
radius, turn slope, twist, constrain — as the Geometry group per the
properties spec. Wire Helix into the to_truck / grips / apply_grip /
geometry_properties / apply_geom_prop / apply_transform dispatch lists.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-07-03 00:05:58 +03:00
commit 0a9c27e39d
3 changed files with 140 additions and 6 deletions
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12
src/entities/traits.rs
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@ -272,7 +272,7 @@ impl EntityTypeOps for EntityType {
Wipeout, AttributeDefinition, AttributeEntity, MLine,
Tolerance, Solid, Face3D, PolygonMesh, PolyfaceMesh, Mesh,
Table, Text, MText, Leader, MultiLeader, Underlay, Shape,
Ole2Frame,
Ole2Frame, Helix,
],
_ => None,
)
@ -288,7 +288,7 @@ impl EntityTypeOps for EntityType {
Solid, Solid3D, Region, Body, Face3D, PolygonMesh,
PolyfaceMesh, Mesh, Table, Point, Spline, Text, MText,
Viewport, Insert, Leader, MultiLeader, Dimension, Hatch,
Underlay, Shape, Ole2Frame,
Underlay, Shape, Ole2Frame, Helix,
],
_ => vec![],
)
@ -304,7 +304,7 @@ impl EntityTypeOps for EntityType {
Solid, Solid3D, Region, Body, Face3D, PolygonMesh,
PolyfaceMesh, Mesh, Table, Hatch, Point, Spline, Text, MText,
Viewport, Insert, Dimension, Leader, MultiLeader, Underlay,
Shape, Ole2Frame,
Shape, Ole2Frame, Helix,
],
_ => vec![],
)
@ -320,7 +320,7 @@ impl EntityTypeOps for EntityType {
Solid, Solid3D, Region, Body, Face3D, PolygonMesh,
PolyfaceMesh, Mesh, Table, Hatch, Point, Spline, Text, MText,
Viewport, Insert, Dimension, Leader, MultiLeader, Underlay,
Shape, Ole2Frame,
Shape, Ole2Frame, Helix,
],
_ => {},
)
@ -336,7 +336,7 @@ impl EntityTypeOps for EntityType {
Solid, Solid3D, Region, Body, Face3D, PolygonMesh,
PolyfaceMesh, Mesh, Table, Point, Spline, Text, MText,
Viewport, Insert, Leader, MultiLeader, Dimension, Hatch,
Underlay, Shape, Ole2Frame,
Underlay, Shape, Ole2Frame, Helix,
],
_ => {},
)
@ -425,7 +425,7 @@ impl EntityTypeOps for EntityType {
Tolerance, Solid, Face3D, PolygonMesh, PolyfaceMesh, Mesh,
Table, MText, Point, Spline, Text, Viewport, Dimension,
Leader, MultiLeader, Underlay, Shape, Ole2Frame,
Solid3D, Region, Body, Surface,
Solid3D, Region, Body, Surface, Helix,
],
_ => {},
)