Protein.Complex.centroid: def of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/protein.bend as Protein
Lines 199-202 of bend-prot@0.1.0.0/protein.bend: https://jend.leeeet.dev/read.txt?path=bend-prot@0.1.0.0/protein.bend&start_line=199&end_line=202

import Base
import bend-prot@0.1.0.0/geom.bend as G

def Complex.centroid(k: Complex) -> G.Vec3:
  match k:
    case Complex{chains}:
      centroid_of_sum(sum_count_atoms(flatten_residues(flatten_chains_residues(chains))))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/geom.bend&name=Vec3
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=Complex
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=centroid_of_sum
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=flatten_chains_residues
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=flatten_residues
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=sum_count_atoms