FastSegmentSetIntersectionFinder.js 973 B

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  1. import SegmentIntersectionDetector from './SegmentIntersectionDetector'
  2. import MCIndexSegmentSetMutualIntersector from './MCIndexSegmentSetMutualIntersector'
  3. export default class FastSegmentSetIntersectionFinder {
  4. constructor() {
  5. FastSegmentSetIntersectionFinder.constructor_.apply(this, arguments)
  6. }
  7. static constructor_() {
  8. this._segSetMutInt = null
  9. const baseSegStrings = arguments[0]
  10. this._segSetMutInt = new MCIndexSegmentSetMutualIntersector(baseSegStrings)
  11. }
  12. getSegmentSetIntersector() {
  13. return this._segSetMutInt
  14. }
  15. intersects() {
  16. if (arguments.length === 1) {
  17. const segStrings = arguments[0]
  18. const intFinder = new SegmentIntersectionDetector()
  19. return this.intersects(segStrings, intFinder)
  20. } else if (arguments.length === 2) {
  21. const segStrings = arguments[0], intDetector = arguments[1]
  22. this._segSetMutInt.process(segStrings, intDetector)
  23. return intDetector.hasIntersection()
  24. }
  25. }
  26. }