Method isOrthogonal

app/lib/level-generation.js:1112–1114

(direction)

  }

  isOrthogonal (direction) {
    return Math.abs(this.vector.x - direction.vector.x) === 1 && Math.abs(this.vector.y - direction.vector.y) === 1
  }

  getRelationship (direction) {
    if (!direction) return undefined