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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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4
src/app/document.rs
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@ -203,7 +203,7 @@ impl DocumentTab {
return glam::Mat4::IDENTITY;
}
let (o, x, y, z) = self.ucs_xform().axes();
let wo = self.scene.world_offset;
let wo = [0.0_f64; 3];
let origin = glam::Vec3::new(
o.x - wo[0] as f32,
o.y - wo[1] as f32,
@ -236,7 +236,7 @@ impl DocumentTab {
}
let xf = self.ucs_xform();
let (o, ..) = xf.axes();
let wo = self.scene.world_offset;
let wo = [0.0_f64; 3];
let origin = glam::Vec3::new(
o.x - wo[0] as f32,
o.y - wo[1] as f32,