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refactor(scene): remove the world_offset field (P7)

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Delete the world_offset field from Scene and DerivedCaches and the
load-time assignment; every reader now uses a zero origin. Geometry is
absolute and the double-single relative-to-eye pipeline keeps it precise,
so the coarse origin is gone. world_offset_from_centers still derives
local_extent_max (camera/cull span) but returns no offset. The remaining
`world_offset: [f64;3]` function parameters are now always zero — dead
plumbing left for a later mechanical sweep; behaviour is unchanged.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-06-23 22:42:33 +03:00
commit ccc933e7b0
8 changed files with 61 additions and 68 deletions
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10
src/app/cmd_result.rs
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@ -610,7 +610,7 @@ impl OpenCADStudio {
// paste lands at the cursor instead of drifting by the
// offset gap. Zero for a same-drawing paste. (#135)
let src_wo = self.clipboard_world_offset;
let tgt_wo = self.tabs[i].scene.world_offset;
let tgt_wo = [0.0_f64; 3];
let wo_corr = glam::Vec3::new(
(tgt_wo[0] - src_wo[0]) as f32,
(tgt_wo[1] - src_wo[1]) as f32,
@ -1262,7 +1262,7 @@ impl OpenCADStudio {
let entity_opt = self.tabs[i].scene.document.get_entity(handle).cloned();
if let Some(entity) = entity_opt {
let truck_entity = entity.to_truck_entity(&self.tabs[i].scene.document);
let woff = self.tabs[i].scene.world_offset;
let woff = [0.0_f64; 3];
let result = truck_entity.and_then(|te| {
match te.object {
TruckObject::Contour(wire) => {
@ -1330,7 +1330,7 @@ impl OpenCADStudio {
let entity_opt = self.tabs[i].scene.document.get_entity(handle).cloned();
if let Some(entity) = entity_opt {
let truck_entity = entity.to_truck_entity(&self.tabs[i].scene.document);
let woff = self.tabs[i].scene.world_offset;
let woff = [0.0_f64; 3];
let result = truck_entity.and_then(|te| {
let wire: Option<truck_modeling::Wire> = match te.object {
TruckObject::Contour(w) => Some(w),
@ -1410,7 +1410,7 @@ impl OpenCADStudio {
.get_entity(profile_handle)
.cloned();
let path_ent = self.tabs[i].scene.document.get_entity(path_handle).cloned();
let woff = self.tabs[i].scene.world_offset;
let woff = [0.0_f64; 3];
let result = profile_ent.zip(path_ent).and_then(|(prof_e, path_e)| {
let prof_truck = prof_e.to_truck_entity(&self.tabs[i].scene.document)?;
@ -1577,7 +1577,7 @@ impl OpenCADStudio {
}
}
let woff = self.tabs[i].scene.world_offset;
let woff = [0.0_f64; 3];
let result: Option<crate::scene::model::mesh_model::MeshModel> = (|| {
if wires.len() < 2 {
return None;