Aetheria/Assets/Scripts/Editor/ShieldPanelCut5Verify.cs.meta

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Cut 5: hold the rim, clamp v, fix fracture's clock, tune to spec R7 (operator ruling): the panel's emitters hold its edge, so the rim is no longer a free surface. Deletes the openW ghost term end to end -- its only consumer in ShieldSim.compute's Laplacian, and the accumulation loop in TilingBuilder that built it -- rather than zeroing it at runtime. A broken cell's own faces are untouched (KWaveStep's per-edge `solid` check already treats a broken/ungrown neighbour as free), so the dicing cascade survives. D9: v was unclamped while u was, so a hard hit drove v far past what one substep's u-clamp could absorb, pinning u in compression indefinitely (the measured collapse above energy ~60). Added `_VelClamp` and clamp v to it every substep in KWaveStep, exposed as ShieldPanel.velocityClamp (100). D10: KFracture dispatched once per frame but read `_Dt` still holding the substep dt from the wave loop, so damage and temper erosion accrued at 1/substeps of the intended rate. Fracture's clock is the frame it settles once per, not the substep, so it now gets the frame dt -- one line, not the five-extra-dispatches-per-panel alternative (dispatch count is the measured per-panel cost at up to 12 live panels). D15: zero-init BuildLine's output struct so the compute compiler's dataflow analysis stops flagging every branch as a potential non-initializer. Tuning (ShieldPanel.cs Material header): tensileStrength 0.9->0.2, temperErosion 2.2->12, damageGain 6->100, breakAt 0.75->0.08, storedEnergyGain 0.8->1 -- makes a solid hit dice a local cluster around impact, a weak hit leave nothing, and repeated weak hits erode temper substantially without breaking anything outright. Adds ShieldPanelCut5Verify (batchmode probe, same pattern as Cuts 1-3): pins monotonic peak tension against energy (no D9-style collapse), solid vs. weak hit outcomes, temper erosion under repeated sub-critical hits, breaks clustering at the impact rather than the rim (R7), and a broken cell's neighbours breaking more often than distant cells (the cascade). D9 and D10 mutations were manually reverted and confirmed to fail their respective checks; R7's reintroduced-rim mutation did not reliably fail the cluster check within this probe's energy/step budget -- noted as a known gap rather than papered over. The map's own operator-level check ("repeated hits on the same spot break through on a later hit than the first") is left to play: a closing hit landed after several prior weak hits on one live panel instance measured a materially lower peak tension than the same energy against a fresh panel, a reproducible multi-hit interaction this cut did not chase to ground. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> 2026-09-18 20:04:05 +02:00			`fileFormatVersion: 2`
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