Slither.io simple zoom

Press z to zoom in, x to zoom out, and c to let zoom drift with game.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Slither.io simple zoom
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  Press z to zoom in, x to zoom out, and c to let zoom drift with game.
// @author       Thor Lancaster
// @match        http://slither.io/
// @grant        none
// @comment Press z to zoom in, x to zoom out, and c to let zoom drift with game.
// ==/UserScript==

(function() {
    'use strict';
    setInterval(function(){
        if(window.desiredGSC){
            window.gsc = window.desiredGSC;
        }
    }, 100);

    addEventListener('keydown', function (e) {
        if (e.key == 'z') {
            window.desiredGSC = window.gsc * 0.9;
            window.gsc = window.desiredGSC;
        }
        if(e.key == 'c') {
            window.desiredGSC = undefined;
        }
        if (e.key == 'x') {
            window.desiredGSC = window.gsc * 1.11;
            window.gsc = window.desiredGSC;
        }
    });
})();