Stores the setup pose for a bone. Stores the setup pose for a bone. The setup pose is the reference pose for the skeleton, before any animations are applied. Returns the index of the bone in Skeleton.bones. Returns the name of the bone, which is unique across all bones in the skeleton. Returns the parent bone data. May be null for the root bone. Returns the bone's length. Sets the bone's length. Returns the local setup pose for this bone, containing position, rotation, scale, and shear. Returns whether the bone is only active when a skin containing it is active. Sets whether the bone is only active when a skin containing it is active. Returns the color of the bone as it was in Spine, or a default color if nonessential data was not exported. Bones are not usually rendered at runtime. Sets the color of the bone. Returns the icon name for this bone, if any. Returns whether the bone is visible. Sets whether the bone is visible.