@woosh/meep-engine/src/core/graph/layout/box/applyCentralGravityAABB2.js

Pure JavaScript game engine. Fully featured and production ready.

import { aabb2_compute_center_from_multiple } from "../../../geom/2d/aabb/aabb2_compute_center_from_multiple.js";
import { pullBoxTowardsPoint } from "./pullBoxTowardsPoint.js";

/**
 *
 * @param {(AABB2|{locked:boolean})[]} boxes
 * @param {number} strength
 */
export function applyCentralGravityAABB2(boxes, strength) {
    const numBoxes = boxes.length;

    const center = aabb2_compute_center_from_multiple(boxes);

    for (let i = 0; i < numBoxes; i++) {
        const box = boxes[i];

        if (box.locked === true) {
            continue;
        }

        pullBoxTowardsPoint(box, center.x, center.y, strength);
    }
}