@woosh/meep-engine/src/core/collection/array/array_swap.js

Pure JavaScript game engine. Fully featured and production ready.

/**
 * @template T
 * @param {T[]|ArrayLike<T>|TypedArray|Uint8ClampedArray|Uint8Array|Uint32Array|Float32Array} a
 * @param {number} a_offset
 * @param {T[]|ArrayLike<T>|TypedArray|Uint8ClampedArray|Uint8Array|Uint32Array|Float32Array} b
 * @param {number} b_offset
 * @param {number} length How many elements should be moved
 */
export function array_swap(
    a, a_offset,
    b, b_offset,
    length
) {

    for (let k = 0; k < length; k++) {
        const i = a_offset + k;
        const j = b_offset + k;

        const swap = b[j];

        b[j] = a[i];
        a[i] = swap;
    }

}