@fimbul-works/vec
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A comprehensive TypeScript vector math library providing 2D, 3D, and 4D vector operations with a focus on performance and type safety.
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JavaScript
/**
* Checks if two 3D vectors are opposite.
* @param {ArrayVector3D} xyz1 - First vector as `[x, y, z]`
* @param {ArrayVector3D} xyz2 - Second vector as `[x, y, z]`
* @returns {boolean} `true` if the vectors are opposite, `false` otherwise
*/
export const isOpposite3D = (xyz1, xyz2) => xyz1[0] === -xyz2[0] && xyz1[1] === -xyz2[1] && xyz1[2] === -xyz2[2];