@woosh/meep-engine/src/core/geom/vec4/v4_dot.js

Pure JavaScript game engine. Fully featured and production ready.

/**
 *
 * @param {number} x0
 * @param {number} y0
 * @param {number} z0
 * @param {number} w0
 * @param {number} x1
 * @param {number} y1
 * @param {number} z1
 * @param {number} w1
 * @returns {number}
 */
export function v4_dot(
    x0, y0, z0, w0,
    x1, y1, z1, w1
) {

    return (x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1);
}