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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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/** * Calculates the dot product of two 4D vectors. * @param {ArrayVector4D} xyzw1 - First vector as `[x, y, z, w]` * @param {ArrayVector4D} xyzw2 - Second vector as `[x, y, z, w]` * @returns {number} The dot product */ export const dot4D = (xyzw1, xyzw2) => xyzw1[0] * xyzw2[0] + xyzw1[1] * xyzw2[1] + xyzw1[2] * xyzw2[2] + xyzw1[3] * xyzw2[3];