rzen
79e75a9127
Three solver defects made limbs teleport, twist, or windmill: write-back angles wrapped at ±180 and lerped the long way around; branch flips landed on configurations the anatomical write-back cannot represent, silently pulling pinned extremities off their pins; and the degenerate straight-limb bend plane fell back to the camera axis instead of the anatomical anterior. solve_limb now verifies each branch reproduces the solved end before accepting it, resolve unwraps written-back angles toward the pose they replace, and the degenerate plane comes from the parent's anterior axis. render.py --check replays every exercise's full tween loop and fails hard on six invariants (pin fidelity, continuity, wraps, authored-vs-resolved drift, ground penetration, resolved ROM); --export refuses to ship a failing exercise. All 66 motions re-authored or retouched to pass: honest authored angles where pins used to override them silently, grounded feet on the seated machines, a vertical bench-press bar path, straight-armed child's pose, a butterfly stretch seated on the mat, and FK arms where pins forced impossible reaches. MotionSolver.swift mirrors the solver changes line for line, held by regenerated fixtures. Claude-Session: https://claude.ai/code/session_01PKptrgbx74peTwHGRxBojv
53 lines
1.8 KiB
JSON
53 lines
1.8 KiB
JSON
{
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"name": "Standing Side Bend",
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"primary": 1,
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"camera": {"yaw": 90, "zoom": 0.66},
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"working": ["spine"],
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"frames": [
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{
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"hold": 0.5, "tween": 1.0,
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"root": {"pos": [160, 64]},
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"spine": [{"lateral": 16}, {"lateral": 15}],
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"neck": 0,
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"shoulder_l": {"flexion": 14, "abduction": 126}, "elbow_l": 50,
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"shoulder_r": {"flexion": 4, "abduction": 8}, "elbow_r": 14,
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"hip_r": 2, "knee_r": 2, "ankle_r": 0,
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"hip_l": 2, "knee_l": 2, "ankle_l": 0,
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"pins": {"foot_r": [155, 150], "foot_l": [165, 150]}
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},
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{
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"hold": 0.3, "tween": 0.9,
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"root": {"pos": [160, 64]},
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"spine": [{"lateral": 0}, {"lateral": 0}],
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"neck": 0,
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"shoulder_l": {"flexion": 4, "abduction": 8}, "elbow_l": 14,
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"shoulder_r": {"flexion": 4, "abduction": 8}, "elbow_r": 14,
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"hip_r": 2, "knee_r": 2, "ankle_r": 0,
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"hip_l": 2, "knee_l": 2, "ankle_l": 0,
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"pins": {"foot_r": [155, 150], "foot_l": [165, 150]}
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},
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{
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"hold": 0.5, "tween": 1.0,
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"root": {"pos": [160, 64]},
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"spine": [{"lateral": -16}, {"lateral": -15}],
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"neck": 0,
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"shoulder_r": {"flexion": 14, "abduction": 126}, "elbow_r": 50,
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"shoulder_l": {"flexion": 4, "abduction": 8}, "elbow_l": 14,
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"hip_r": 2, "knee_r": 2, "ankle_r": 0,
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"hip_l": 2, "knee_l": 2, "ankle_l": 0,
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"pins": {"foot_r": [155, 150], "foot_l": [165, 150]}
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},
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{
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"hold": 0.3, "tween": 0.9,
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"root": {"pos": [160, 64]},
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"spine": [{"lateral": 0}, {"lateral": 0}],
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"neck": 0,
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"shoulder_l": {"flexion": 4, "abduction": 8}, "elbow_l": 14,
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"shoulder_r": {"flexion": 4, "abduction": 8}, "elbow_r": 14,
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"hip_r": 2, "knee_r": 2, "ankle_r": 0,
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"hip_l": 2, "knee_l": 2, "ankle_l": 0,
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"pins": {"foot_r": [155, 150], "foot_l": [165, 150]}
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}
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]
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}
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