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13 lines
548 B
TypeScript
13 lines
548 B
TypeScript
/** Packs two 16-bit integers into one 32-bit integer */
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export const pack = (a: number, b: number): number => (a << 16) | b;
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/** Unpacks two 16-bit integers from one 32-bit integer */
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export function unpack(value: number, arr: [a: number, b: number] = Array.from(new Array(2).keys()) as any): [a: number, b: number] {
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arr[0] = (value >> 16) & 0xFFFF;
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arr[1] = value & 0xFFFF;
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return arr;
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}
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export const unpackFirst = (value: number): number => (value >> 16) & 0xFFFF;
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export const unpackSecond = (value: number): number => value & 0xFFFF;
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