sporel/sporel-module-vagrant-skeleton
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fix(vagrant): hip-anchors body-relative; leg-orientation procedural

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User feedback: 'anchorpoints sind hüftgelenke und können sich nicht
frei drehen. hüfte bleibt zum körper statisch'.

Architecture:
- legs.parent = body (was lower_control). Hip position cascades from
  body.world.rot, so hips stay at body-frame left/right regardless of
  body rotation. lower_control virtual bone removed (no longer needed).
- Procedural 'leg_orientation' sets leg.local.rot = walk_dir - body.rot
  each frame, so leg.world.rot = walk_dir (independent of body cascade).
  Requires puppet v0.4.2 per-channel write_bone (walk_anim writes leg.scl
  while procedural writes leg.rot — disjoint channels).

Result: legs visually attach at body's anatomical left/right hips no
matter where body faces; stride oscillation aligns with WASD walk
direction. Hip position no longer drifts with walk direction.
This commit is contained in:
Axel Meyer
2026-05-18 21:57:20 +02:00
parent 0a7ef7f270
commit 77f3e726ae
3 changed files with 14 additions and 7 deletions
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5
rigs/humanoid.rig.json
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@@ -3,7 +3,6 @@
"asset_pack": "player",
"bones": [
{ "id": "root", "parent": null, "rest": {"x": 0, "y": 0, "rot": 0}, "z_order": -1 },
{ "id": "lower_control", "parent": "root", "rest": {"x": 0, "y": 0, "rot": 0}, "virtual": true },
{ "id": "body", "parent": "root", "rest": {"x": 0, "y": 0, "rot": 0}, "z_order": 2, "texture": "body_001", "look_at": "soft", "look_at_slerp": 6 },
{ "id": "head", "parent": "body", "rest": {"x": 0, "y": -3, "rot": 0, "rot_min": -60, "rot_max": 60}, "z_order": 6, "texture": "head_001", "look_at": "aim" },
{ "id": "shoulders", "parent": "body", "rest": {"x": 0, "y": 0, "rot": 0}, "z_order": 5, "texture": "shoulder_001" },
@@ -11,8 +10,8 @@
{ "id": "upper_arm_r", "parent": "shoulders", "rest": {"x": 20, "y": -4, "rot": 0}, "z_order": 3, "texture": "upper_arm_001" },
{ "id": "lower_arm_l", "parent": "upper_arm_l", "rest": {"x": 14, "y": -18, "rot": 0}, "z_order": 2, "texture": "lower_arm_001" },
{ "id": "lower_arm_r", "parent": "upper_arm_r", "rest": {"x": 13, "y": -17, "rot": 0}, "z_order": 2, "texture": "lower_arm_001" },
{ "id": "leg_l", "parent": "lower_control", "rest": {"x": -9, "y": 1, "rot": 0, "scl": [-1, -1]}, "z_order": 1, "texture": "leg_001" },
{ "id": "leg_r", "parent": "lower_control", "rest": {"x": 9, "y": 1, "rot": 0, "scl": [ 1, -1]}, "z_order": 1, "texture": "leg_001" },
{ "id": "leg_l", "parent": "body", "rest": {"x": -9, "y": 1, "rot": 0, "scl": [-1, -1]}, "z_order": 1, "texture": "leg_001" },
{ "id": "leg_r", "parent": "body", "rest": {"x": 9, "y": 1, "rot": 0, "scl": [ 1, -1]}, "z_order": 1, "texture": "leg_001" },
{ "id": "foot_l", "parent": "leg_l", "rest": {"x": 0, "y": 25, "rot": 0, "scl": [ 1, -1]}, "z_order": 0, "texture": "foot_001" },
{ "id": "foot_r", "parent": "leg_r", "rest": {"x": 0, "y": 26, "rot": 0, "scl": [ 1, -1]}, "z_order": 0, "texture": "foot_001" }
],