Method getParticleByColumn

external/.scrollLibs.js:15848–15850

(index, name)

    return this.topDownArray.find(particle => particle._hasColumns(columns))
  }
  getParticleByColumn(index, name) {
    return this.find(particle => particle.getAtom(index) === name)
  }
  _getParticlesByColumn(index, name) {
    return this.filter(particle => particle.getAtom(index) === name)
  }