Protein.Residue.centroid: def of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/protein.bend as Protein
Lines 88-91 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=88&end_line=91

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

def Residue.centroid(r: Residue) -> G.Vec3:
  match r:
    case Residue{seq, atoms}:
      centroid_of_sum(sum_count_atoms(atoms))

Uses (4):
  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=Residue
  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=sum_count_atoms