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Bullosseum/art/blender/create_matador_anims.py
richard 09d4a60f43 Reorganize into role-based folders and consolidate art
Move every script and scene into role-based directories (actors/, systems/, ui/,
levels/, props/) and all raw art under art/ (grouped by role, snake_case,
Extract-Textures GLBs), dropping Blender version-suffix noise. Filenames are
snake_case (PascalCase reserved for class_name) to avoid case-insensitive
filesystem aliasing on the web/macOS targets. Routes the bull's hits through the
typed DamageEvent pipeline and wires the bull's abilities to the Fx library.
Updates CLAUDE.md's folder-layout overview to match.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CCyaJPTHCH9EDthpf4A5Sj
2026-09-08 14:56:22 +03:00

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"""
Blender 5.1 script: create walk + idle animations for matador.
Run: blender --background matador.blend --python create_matador_anims.py
"""
import bpy, math, os
# ── setup ──────────────────────────────────────────────────────────────────────
arm_obj = next(o for o in bpy.data.objects if o.type == 'ARMATURE')
bpy.context.view_layer.objects.active = arm_obj
bpy.ops.object.mode_set(mode='POSE')
if arm_obj.animation_data is None:
arm_obj.animation_data_create()
pb = arm_obj.pose.bones
# Ensure all animated bones use XYZ Euler
for bname in ['leg_L', 'leg_R', 'shin_L', 'shin_R',
'arm_L', 'arm_R', 'forearm_L', 'forearm_R',
'collarbone_L', 'collarbone_R']:
pb[bname].rotation_mode = 'XYZ'
CYCLE = 30 # frames (1 s at 30 fps)
LEG_SWING = 25 # degrees
KNEE_BEND = 30
ARM_SWING = 15
ARM_DOWN = 55 # lower arms from T-pose around bone-local Y
ELBOW_BEND = 25
# ── WALK action ────────────────────────────────────────────────────────────────
# Remove old actions if they exist
for old_name in ['walk', 'idle']:
if old_name in bpy.data.actions:
bpy.data.actions.remove(bpy.data.actions[old_name])
walk = bpy.data.actions.new(name='walk')
walk.use_fake_user = True
walk.use_cyclic = True
arm_obj.animation_data.action = walk
# Clear all pose bone transforms first
bpy.ops.pose.select_all(action='SELECT')
bpy.ops.pose.rot_clear()
arm_down_l = math.radians(ARM_DOWN)
arm_down_r = math.radians(-ARM_DOWN)
for f in range(0, CYCLE + 1, 2):
t = (f / CYCLE) * math.tau
# Legs – swing forward/back on bone-local X
pb['leg_L'].rotation_euler = (math.sin(t) * math.radians(LEG_SWING), 0, 0)
pb['leg_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['leg_R'].rotation_euler = (math.sin(t + math.pi) * math.radians(LEG_SWING), 0, 0)
pb['leg_R'].keyframe_insert(data_path='rotation_euler', frame=f)
# Shins – only bend backward when leg is back
val_l = max(0.0, -math.sin(t)) * math.radians(KNEE_BEND)
val_r = max(0.0, -math.sin(t + math.pi)) * math.radians(KNEE_BEND)
pb['shin_L'].rotation_euler = (val_l, 0, 0)
pb['shin_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['shin_R'].rotation_euler = (val_r, 0, 0)
pb['shin_R'].keyframe_insert(data_path='rotation_euler', frame=f)
# Arms – lower from T-pose (Y) + swing (X, opposite phase to legs)
swing_l = math.sin(t + math.pi) * math.radians(ARM_SWING)
swing_r = math.sin(t) * math.radians(ARM_SWING)
pb['arm_L'].rotation_euler = (swing_l, arm_down_l, 0)
pb['arm_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['arm_R'].rotation_euler = (swing_r, arm_down_r, 0)
pb['arm_R'].keyframe_insert(data_path='rotation_euler', frame=f)
# Forearms – constant slight bend
pb['forearm_L'].rotation_euler = (math.radians(ELBOW_BEND), 0, 0)
pb['forearm_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['forearm_R'].rotation_euler = (math.radians(ELBOW_BEND), 0, 0)
pb['forearm_R'].keyframe_insert(data_path='rotation_euler', frame=f)
# Collarbones – identity
pb['collarbone_L'].rotation_euler = (0, 0, 0)
pb['collarbone_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['collarbone_R'].rotation_euler = (0, 0, 0)
pb['collarbone_R'].keyframe_insert(data_path='rotation_euler', frame=f)
print("Created 'walk' action")
# ── IDLE action ────────────────────────────────────────────────────────────────
idle = bpy.data.actions.new(name='idle')
idle.use_fake_user = True
arm_obj.animation_data.action = idle
bpy.ops.pose.select_all(action='SELECT')
bpy.ops.pose.rot_clear()
# Arms lowered, everything else at rest – 2 frames for a valid action
for f in [0, 1]:
pb['arm_L'].rotation_euler = (0, arm_down_l, 0)
pb['arm_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['arm_R'].rotation_euler = (0, arm_down_r, 0)
pb['arm_R'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['forearm_L'].rotation_euler = (math.radians(ELBOW_BEND), 0, 0)
pb['forearm_L'].keyframe_insert(data_path='rotation_euler', frame=f)
pb['forearm_R'].rotation_euler = (math.radians(ELBOW_BEND), 0, 0)
pb['forearm_R'].keyframe_insert(data_path='rotation_euler', frame=f)
for bname in ['collarbone_L', 'collarbone_R', 'leg_L', 'leg_R', 'shin_L', 'shin_R']:
pb[bname].rotation_euler = (0, 0, 0)
pb[bname].keyframe_insert(data_path='rotation_euler', frame=f)
print("Created 'idle' action")
# ── NLA tracks for export ─────────────────────────────────────────────────────
bpy.ops.object.mode_set(mode='OBJECT')
# Clear existing NLA tracks
if arm_obj.animation_data.nla_tracks:
for t in list(arm_obj.animation_data.nla_tracks):
arm_obj.animation_data.nla_tracks.remove(t)
tw = arm_obj.animation_data.nla_tracks.new()
tw.name = 'walk'
sw = tw.strips.new('walk', 0, walk)
ti = arm_obj.animation_data.nla_tracks.new()
ti.name = 'idle'
si = ti.strips.new('idle', 0, idle)
# ── export FBX ─────────────────────────────────────────────────────────────────
fbx_path = os.path.join(os.path.dirname(bpy.data.filepath), 'matador.fbx')
bpy.ops.export_scene.fbx(
filepath=fbx_path,
use_selection=False,
bake_anim=True,
bake_anim_use_all_actions=True,
bake_anim_use_nla_strips=False,
bake_anim_force_startend_keying=True,
bake_anim_step=1.0,
bake_anim_simplify_factor=0.0,
add_leaf_bones=False,
primary_bone_axis='Y',
secondary_bone_axis='X',
apply_scale_options='FBX_SCALE_ALL',
)
print('Exported FBX to:', fbx_path)
bpy.ops.wm.save_as_mainfile(filepath=bpy.data.filepath)
print('Saved .blend')