Method getParticleByColumns

external/.scrollLibs.js:15845–15847

(...columns)

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