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#4 fix root bone size to proportionate #6

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#4 fix root bone size to proportionate #6

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c281ae4
Sets the root bone size to a size in proportion to the exported model
adam-cyclones Apr 4, 2024
0ee3436
After thinking some more, the root bones size should be proportionate…
adam-cyclones Apr 4, 2024
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9 changes: 8 additions & 1 deletion mixamoroot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -292,8 +292,15 @@ def add_root_bone(root_bone_name="Root", hip_bone_name="mixamorig:Hips", remove_
armature = bpy.context.selected_objects[0]
bpy.ops.object.mode_set(mode='EDIT')

# Get the bounding box dimensions
bounding_box = armature.bound_box
fixed_ratio = 0.3
armature_height = bounding_box[6][2] - bounding_box[0][2] # Index 2 corresponds to the z-dimension
root_bone_length = armature_height * fixed_ratio

root_bone = armature.data.edit_bones.new(name_prefix + root_bone_name)
root_bone.tail.y = 30
root_bone.tail.y = root_bone_length


armature.data.edit_bones[hip_bone_name].parent = armature.data.edit_bones[name_prefix + root_bone_name]
bpy.ops.object.mode_set(mode='OBJECT')
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