@woosh/meep-engine/src/engine/ecs/attachment/Attachment.js

Pure JavaScript game engine. Fully featured and production ready.

import {Transform} from "../transform/Transform.js";
import {assert} from "../../../core/assert.js";

export class Attachment {

    /**
     * Parent entity to which attachment is made
     * @type {number}
     */
    parent = -1;

    /**
     * Socket on the parent entity to which attachment is made
     * @type {String}
     */
    socket = null;

    /**
     *
     * @type {Transform}
     */
    transform = new Transform();

    /**
     *
     * @type {boolean}
     */
    immediate = false;

    fromJSON({parent, socket, transform, immediate = false}) {
        assert.isNonNegativeInteger(parent, 'parent');

        this.parent = parent;
        this.socket = socket;

        if (transform !== undefined) {
            this.transform.fromJSON(transform);
        }

        this.immediate = immediate;
    }

    /**
     *
     * @param j
     * @returns {Attachment}
     */
    static fromJSON(j) {
        const r = new Attachment();
        r.fromJSON(j);
        return r;
    }
}

Attachment.typeName = "Attachment";

Attachment.serializable = false;