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Replace intersection code

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This commit is contained in:
Mark Tolmacs 2024-10-01 16:24:31 +02:00
parent 411deae176
commit 0c02972695
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18 changed files with 507 additions and 687 deletions
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33
packages/math/arc.test.ts
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@ -1,5 +1,11 @@
import { radians } from "./angle";
import { arc, arcIncludesPoint, arcSegmentInterceptPoints } from "./arc";
import {
arc,
arcIncludesPoint,
arcLineInterceptPoints,
arcSegmentInterceptPoints,
} from "./arc";
import { line } from "./line";
import { point } from "./point";
import { segment } from "./segment";
@ -31,7 +37,7 @@ describe("point on arc", () => {
});
describe("intersection", () => {
it("should report correct interception point", () => {
it("should report correct interception point for segment", () => {
expect(
arcSegmentInterceptPoints(
arc(point(0, 0), 1, radians(-Math.PI / 4), radians(Math.PI / 4)),
@ -40,7 +46,7 @@ describe("intersection", () => {
).toEqual([point(0.894427190999916, 0.447213595499958)]);
});
it("should report both interception points when present", () => {
it("should report both interception points when present for segment", () => {
expect(
arcSegmentInterceptPoints(
arc(point(0, 0), 1, radians(-Math.PI / 4), radians(Math.PI / 4)),
@ -51,4 +57,25 @@ describe("intersection", () => {
point(0.9, 0.4358898943540668),
]);
});
it("should report correct interception point for line", () => {
expect(
arcLineInterceptPoints(
arc(point(0, 0), 1, radians(-Math.PI / 4), radians(Math.PI / 4)),
line(point(2, 1), point(0, 0)),
),
).toEqual([point(0.894427190999916, 0.447213595499958)]);
});
it("should report both interception points when present for line", () => {
expect(
arcLineInterceptPoints(
arc(point(0, 0), 1, radians(-Math.PI / 4), radians(Math.PI / 4)),
line(point(0.9, -2), point(0.9, 2)),
),
).toEqual([
point(0.9, 0.4358898943540668),
point(0.9, -0.4358898943540668),
]);
});
});