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refactor: separate elements logic into a standalone package (#9285)
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Marcel Mraz 2025-03-26 15:24:59 +01:00 • committed by GitHub
parent a18f059188
commit 432a46ef9e
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372 changed files with 3466 additions and 2466 deletions
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packages/math/tests/point.test.ts Normal file
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import { pointFrom, pointRotateRads } from "../src/point";
import type { Radians } from "../src/types";
describe("rotate", () => {
it("should rotate over (x2, y2) and return the rotated coordinates for (x1, y1)", () => {
const x1 = 10;
const y1 = 20;
const x2 = 20;
const y2 = 30;
const angle = (Math.PI / 2) as Radians;
const [rotatedX, rotatedY] = pointRotateRads(
pointFrom(x1, y1),
pointFrom(x2, y2),
angle,
);
expect([rotatedX, rotatedY]).toEqual([30, 20]);
const res2 = pointRotateRads(
pointFrom(rotatedX, rotatedY),
pointFrom(x2, y2),
-angle as Radians,
);
expect(res2).toEqual([x1, x2]);
});
});