Moomoo.io: added menus, space hold feature, weapon synch

Exactly what the title says
// ==UserScript==
// @name        Moomoo.io: added menus, space hold feature, weapon synch
// @namespace    -
// @version     1.1
// @description Exactly what the title says
// @author       ???
// @match        *://moomoo.io/*
// @match        *://sandbox.moomoo.io/*
// @match        *://dev.moomoo.io/*
// @match        *://spurious-butter-wineberry.glitch.me/*
// @grant    GM_addStyle
// @require http://code.jquery.com/jquery-3.3.1.min.js
// @require https://code.jquery.com/ui/1.12.0/jquery-ui.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/jquery-confirm/3.3.0/jquery-confirm.min.js
// ==/UserScript==


let mouseX;
let mouseY;

let width;
let height;




let coreURL = new URL(window.location.href);
window.sessionStorage.force = coreURL.searchParams.get("fc");



function n(){
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WebSocket.prototype.oldSend = WebSocket.prototype.send;
WebSocket.prototype.send = function(m){
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        ws = this;
        socketFound(this);
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};


function socketFound(socket){
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}




function doNewSend(sender){
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function vlace(id, angle = Math.atan2(mouseY - height / 2, mouseX - width / 2)) {
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    doNewSend(["c", [0, angle]]);

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const p = repeater(32, () => {vlace(spikeType)
                              vlace(spikeType)
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document.addEventListener('keydown', (e)=>{
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document.addEventListener('keyup', (e)=>{
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function isElementVisible(e) {
    return (e.offsetParent !== null);
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