| 1 | /** Calculates distance in km between two coordinates */
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| 2 | export const distance = (pointA, pointB) => {
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| 3 | const p = 0.017453292519943295; // Math.PI / 180
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| 4 | const c = Math.cos;
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| 5 | const a = 0.5 -
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| 6 | c((pointB.latitude - pointA.latitude) * p) / 2 +
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| 7 | (c(pointA.latitude * p) *
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| 8 | c(pointB.latitude * p) *
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| 9 | (1 - c((pointB.longitude - pointA.longitude) * p))) /
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| 10 | 2;
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| 11 | return 12742 * Math.asin(Math.sqrt(a)); // 2 * R; R = 6371 km
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| 12 | };
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| 13 | //# sourceMappingURL=distance.js.map |
| \ | No newline at end of file |