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@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.

github.com/fimbul-works/vec

fimbul-works/vec

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/** * Checks if two 4D vectors are opposite. * @param {ArrayVector4D} xyzw1 - First vector as `[x, y, z, w]` * @param {ArrayVector4D} xyzw2 - Second vector as `[x, y, z, w]` * @returns {boolean} `true` if vectors are opposite */ export const isOpposite4D = (xyzw1, xyzw2) => xyzw1[0] === -xyzw2[0] && xyzw1[1] === -xyzw2[1] && xyzw1[2] === -xyzw2[2] && xyzw1[3] === -xyzw2[3];