use submodule

2026-06-04 22:32:55 +00:00 · 2025-07-08 14:44:24 +08:00
parent 31b7b513a9
commit a090ce26cd
959 changed files with 139155 additions and 41032 deletions
@@ -0,0 +1,21 @@
+import { pointFrom } from "../src/point";
+import { lineSegment, lineSegmentIntersectionPoints } from "../src/segment";
+
+describe("line-segment intersections", () => {
+  it("should correctly detect intersection", () => {
+    expect(
+      lineSegmentIntersectionPoints(
+        lineSegment(pointFrom(0, 0), pointFrom(5, 0)),
+        lineSegment(pointFrom(2, -2), pointFrom(3, 2)),
+      ),
+    ).toEqual(pointFrom(2.5, 0));
+  });
+  it("should correctly detect non-intersection", () => {
+    expect(
+      lineSegmentIntersectionPoints(
+        lineSegment(pointFrom(0, 0), pointFrom(5, 0)),
+        lineSegment(pointFrom(3, 1), pointFrom(4, 4)),
+      ),
+    ).toEqual(null);
+  });
+});