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research: karman reproduce uses committed pinball ids after sync_bodies

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add_body after initialize returns a pending negative id; sync_bodies commits
the new bodies in order, so the pinball ids are n0..n0+2 (f2f88c phase3 did
the same). Fixes the KeyError(-1) in the GPU smoke.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Claude
2026-10-31 10:21:42 +00:00
co-authored by Claude Opus 5.5
parent ded0c52975
commit 580397eaf8
1 changed files with 4 additions and 2 deletions
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research/karman_reproduce/run.py
+4 -2
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@@ -76,9 +76,11 @@ def main():
# Legacy build_karman_cloak order: stabilize disturbance + probes, then the
# 150-interval zero-action target sampling (kept as flow time), then the pinball.
sim.run(WARMUP + FIFO_LEN * SI)
pinball = [sim.add_body("circle", center=c, radius=R)
for c in ((30 * L0, YC, 0.0), (626.0, YC + 15, 0.0), (626.0, YC - 15, 0.0))]
n0 = sim.bodies.count
for c in ((30 * L0, YC, 0.0), (626.0, YC + 15, 0.0), (626.0, YC - 15, 0.0)):
sim.add_body("circle", center=c, radius=R) # pending (negative) id until sync
sim.sync_bodies()
pinball = list(range(n0, n0 + 3)) # committed ids, as in f2f88c phase3
sim.run(WARMUP)
cells = float(len(sim.bodies.get(probes[0]).get_sensor_list(NX, NY)[0])) # probe sum = mean * cells