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feat: Remove GA code from binding (#9042)
Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
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parent
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44 changed files with 2112 additions and 1832 deletions
126
packages/math/ellipse.test.ts
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126
packages/math/ellipse.test.ts
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import {
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ellipse,
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ellipseSegmentInterceptPoints,
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ellipseIncludesPoint,
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ellipseTouchesPoint,
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ellipseLineIntersectionPoints,
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} from "./ellipse";
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import { line } from "./line";
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import { pointFrom } from "./point";
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import { lineSegment } from "./segment";
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import type { Ellipse, GlobalPoint } from "./types";
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describe("point and ellipse", () => {
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it("point on ellipse", () => {
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const target: Ellipse<GlobalPoint> = ellipse(pointFrom(1, 2), 2, 1);
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[
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pointFrom(1, 3),
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pointFrom(1, 1),
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pointFrom(3, 2),
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pointFrom(-1, 2),
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].forEach((p) => {
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expect(ellipseTouchesPoint(p, target)).toBe(true);
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});
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expect(ellipseTouchesPoint(pointFrom(-0.4, 2.7), target, 0.1)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(-0.4, 2.71), target, 0.01)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(2.4, 2.7), target, 0.1)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(2.4, 2.71), target, 0.01)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(2, 1.14), target, 0.1)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(2, 1.14), target, 0.01)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(0, 1.14), target, 0.1)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(0, 1.14), target, 0.01)).toBe(true);
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expect(ellipseTouchesPoint(pointFrom(0, 2.8), target)).toBe(false);
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expect(ellipseTouchesPoint(pointFrom(2, 1.2), target)).toBe(false);
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});
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it("point in ellipse", () => {
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const target: Ellipse<GlobalPoint> = ellipse(pointFrom(0, 0), 2, 1);
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[
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pointFrom(0, 1),
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pointFrom(0, -1),
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pointFrom(2, 0),
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pointFrom(-2, 0),
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].forEach((p) => {
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expect(ellipseIncludesPoint(p, target)).toBe(true);
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});
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expect(ellipseIncludesPoint(pointFrom(-1, 0.8), target)).toBe(true);
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expect(ellipseIncludesPoint(pointFrom(1, -0.8), target)).toBe(true);
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// Point on outline
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expect(ellipseIncludesPoint(pointFrom(2, 0), target)).toBe(true);
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expect(ellipseIncludesPoint(pointFrom(-1, 1), target)).toBe(false);
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expect(ellipseIncludesPoint(pointFrom(-1.4, 0.8), target)).toBe(false);
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});
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});
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describe("segment and ellipse", () => {
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it("detects outside segment", () => {
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const e = ellipse(pointFrom(0, 0), 2, 2);
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expect(
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ellipseSegmentInterceptPoints(
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e,
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lineSegment<GlobalPoint>(pointFrom(-100, 0), pointFrom(-10, 0)),
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),
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).toEqual([]);
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expect(
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ellipseSegmentInterceptPoints(
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e,
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lineSegment<GlobalPoint>(pointFrom(-10, 0), pointFrom(10, 0)),
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),
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).toEqual([pointFrom(-2, 0), pointFrom(2, 0)]);
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expect(
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ellipseSegmentInterceptPoints(
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e,
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lineSegment<GlobalPoint>(pointFrom(-10, -2), pointFrom(10, -2)),
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),
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).toEqual([pointFrom(0, -2)]);
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expect(
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ellipseSegmentInterceptPoints(
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e,
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lineSegment<GlobalPoint>(pointFrom(0, -1), pointFrom(0, 1)),
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),
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).toEqual([]);
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});
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});
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describe("line and ellipse", () => {
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const e = ellipse(pointFrom(0, 0), 2, 2);
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it("detects outside line", () => {
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expect(
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ellipseLineIntersectionPoints(
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e,
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line<GlobalPoint>(pointFrom(-10, -10), pointFrom(10, -10)),
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),
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).toEqual([]);
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});
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it("detects line intersecting ellipse", () => {
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expect(
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ellipseLineIntersectionPoints(
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e,
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line<GlobalPoint>(pointFrom(0, -1), pointFrom(0, 1)),
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),
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).toEqual([pointFrom(0, 2), pointFrom(0, -2)]);
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expect(
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ellipseLineIntersectionPoints(
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e,
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line<GlobalPoint>(pointFrom(-100, 0), pointFrom(-10, 0)),
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).map(([x, y]) => pointFrom(Math.round(x), Math.round(y))),
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).toEqual([pointFrom(2, 0), pointFrom(-2, 0)]);
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});
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it("detects line touching ellipse", () => {
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expect(
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ellipseLineIntersectionPoints(
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e,
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line<GlobalPoint>(pointFrom(-2, -2), pointFrom(2, -2)),
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),
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).toEqual([pointFrom(0, -2)]);
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});
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});
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