@woosh/meep-engine/src/core/math/physics/spring/computeHookeForce.js

Pure JavaScript game engine. Fully featured and production ready.

/**
 * Spring force calculation
 * @param {number} displacement how far the spring is being stretched from its resting state
 * @param {number} stiffness how still is the spring
 * @return {number} force in the direction of displacement exerted by the spring trying to pull back
 */
export function computeHookeForce(displacement, stiffness) {
    return -stiffness * displacement;
}