the-world-engine/dist/esm/box2d.ts/build/controllers/b2_constant_force_controller.js

three.js based, unity like game engine for browser

import { b2Controller } from "./b2_controller.js";

import { b2Vec2 } from "../common/b2_math.js";

export class b2ConstantForceController extends b2Controller {
    constructor() {
        super(...arguments);
        this.F = new b2Vec2(0, 0);
    }
    Step(o) {
        for (let o = this.m_bodyList; o; o = o.nextBody) {
            const t = o.body;
            if (!t.IsAwake()) {
                continue;
            }
            t.ApplyForce(this.F, t.GetWorldCenter());
        }
    }
    Draw(o) {}
}