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
39 lines
1.3 KiB
JSON
39 lines
1.3 KiB
JSON
{
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"name": "Tricep Press",
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"primary": 2,
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"working": ["arm_r", "arm_l"],
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"props": [
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{"type": "scene", "shapes": [
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{"kind": "line", "pts": [[116, 134], [92, 42]], "w": 8, "depth": 8},
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{"kind": "line", "pts": [[108, 135], [146, 135]], "w": 8, "depth": 8},
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{"kind": "line", "pts": [[124, 137], [124, 151]], "w": 5},
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{"kind": "line", "pts": [[110, 151], [140, 151]], "w": 4, "depth": 5}
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]},
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{"type": "bar", "at": ["hand_r", "hand_l"], "angle": 90, "halfLen": 6}
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],
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"frames": [
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{
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"hold": 0.4, "tween": 1.1,
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"root": {"pos": [118, 124], "pitch": -10},
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"spine": [0, 2],
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"neck": 12, "head": -10,
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"shoulder_r": -26, "elbow_r": 120,
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"shoulder_l": -26, "elbow_l": 120,
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"hip_r": 56, "knee_r": 115,
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"hip_l": 56, "knee_l": 118,
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"pins": {"hand_r": [124, 62], "hand_l": [128, 64], "foot_r": [156, 151], "foot_l": [160, 151]}
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},
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{
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"hold": 0.4, "tween": 1.1,
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"root": {"pos": [118, 124], "pitch": -10},
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"spine": [0, 2],
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"neck": 12, "head": -10,
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"shoulder_r": 1, "elbow_r": 20,
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"shoulder_l": 1, "elbow_l": 20,
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"hip_r": 56, "knee_r": 115,
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"hip_l": 56, "knee_l": 118,
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"pins": {"hand_r": [124, 96], "hand_l": [128, 98], "foot_r": [156, 151], "foot_l": [160, 151]}
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}
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]
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}
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