Method getRelationship

app/lib/level-generation.js:1116–1121

(direction)

  }

  getRelationship (direction) {
    if (!direction) return undefined
    if (this.is(direction)) return 'forward'
    if (this.isOpposite(direction)) return 'backward'
    if (this.isOrthogonal(direction)) return 'turn'
  }
}

class Action {