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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 1x 1x 1x 18x 18x 18x 18x 18x | import { type Cartesian, type Polar } from './@types/geometry.ts';
import { type UnitOptions } from './angle.ts';
import { normalizeAngle } from './normalize-angle.ts';
import { toAngle } from './to-angle.ts';
/**
* Convert cartesian coordinates to polar
* @param coordinate - The Cartesian coordinate to convert.
* @param options - see {@link UnitOptions}
* @returns polar coordinated
* @group Geometry
* @category Coordinates
*/
export function toPolar(coordinate: Cartesian, { unit = 'radians' }: UnitOptions = {}): Polar {
return {
r: Math.hypot(coordinate.x, coordinate.y),
φ: toAngle(normalizeAngle(Math.atan2(coordinate.y, coordinate.x)), 'radians', unit),
};
}
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