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Add ellipse changes no angle

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Signed-off-by: Mark Tolmacs <mark@lazycat.hu>
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Mark Tolmacs 2024-09-27 11:34:02 +02:00
parent d9ea7190ec
commit 7b4e989d65
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12 changed files with 97 additions and 357 deletions
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29
packages/math/ellipse.test.ts
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@ -1,4 +1,3 @@
import { radians } from "./angle";
import {
ellipse,
ellipseSegmentInterceptPoints,
@ -10,29 +9,29 @@ import { segment } from "./segment";
import type { Ellipse, GlobalPoint } from "./types";
describe("point and ellipse", () => {
const target: Ellipse<GlobalPoint> = ellipse(point(0, 0), radians(0), 2, 1);
it("point on ellipse", () => {
[point(0, 1), point(0, -1), point(2, 0), point(-2, 0)].forEach((p) => {
const target: Ellipse<GlobalPoint> = ellipse(point(1, 2), 2, 1);
[point(1, 3), point(1, 1), point(3, 2), point(-1, 2)].forEach((p) => {
expect(ellipseTouchesPoint(p, target)).toBe(true);
});
expect(ellipseTouchesPoint(point(-1.4, 0.7), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(-1.4, 0.71), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(-0.4, 2.7), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(-0.4, 2.71), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(1.4, 0.7), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(1.4, 0.71), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(2.4, 2.7), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(2.4, 2.71), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(1, -0.86), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(1, -0.86), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(2, 1.14), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(2, 1.14), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(-1, -0.86), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(-1, -0.86), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(0, 1.14), target, 0.1)).toBe(true);
expect(ellipseTouchesPoint(point(0, 1.14), target, 0.01)).toBe(true);
expect(ellipseTouchesPoint(point(-1, 0.8), target)).toBe(false);
expect(ellipseTouchesPoint(point(1, -0.8), target)).toBe(false);
expect(ellipseTouchesPoint(point(0, 2.8), target)).toBe(false);
expect(ellipseTouchesPoint(point(2, 1.2), target)).toBe(false);
});
it("point in ellipse", () => {
const target: Ellipse<GlobalPoint> = ellipse(point(0, 0), 2, 1);
[point(0, 1), point(0, -1), point(2, 0), point(-2, 0)].forEach((p) => {
expect(ellipseIncludesPoint(p, target)).toBe(true);
});
@ -50,7 +49,7 @@ describe("point and ellipse", () => {
describe("line and ellipse", () => {
it("detects outside segment", () => {
const e = ellipse(point(0, 0), radians(0), 2, 2);
const e = ellipse(point(0, 0), 2, 2);
expect(
ellipseSegmentInterceptPoints(