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Moomoo.io Zoom hack

Allows to change zoom of the game using mouse wheels

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安装此脚本 
  1. // ==UserScript==
  2. // @name Moomoo.io Zoom hack
  3. // @author Murka
  4. // @description Allows to change zoom of the game using mouse wheels
  5. // @icon https://moomoo.io/img/favicon.png?v=1
  6. // @version 0.7
  7. // @match *://moomoo.io/*
  8. // @match *://*.moomoo.io/*
  9. // @run-at document-start
  10. // @grant none
  11. // @license MIT
  12. // @namespace https://greasyfork.org/users/919633
  13. // ==/UserScript==
  14. /* jshint esversion:6 */
  15.  
  16. /*
  17.     Author: Murka
  18.     Github: https://github.com/Murka007
  19.     Discord: https://discord.gg/sG9cyfGPj5
  20.     Greasyfork: https://greasyfork.org/en/users/919633
  21.     MooMooForge: https://github.com/MooMooForge
  22. */
  23.  
  24. (function() {
  25.     "use strict";
  26.  
  27.     const log = console.log;
  28.     function linker(value) {
  29.         const hook = {
  30.             0: value,
  31.             toString: (radix) => hook[0].toString(radix),
  32.             valueOf: () => hook[0].valueOf(),
  33.             get length() {
  34.                 return hook[0].length;
  35.             }
  36.         };
  37.         return hook;
  38.     }
  39.  
  40.     function createHook(target, prop, callback) {
  41.         const symbol = Symbol(prop);
  42.         Object.defineProperty(target, prop, {
  43.             get() { return this[symbol]; },
  44.             set(value) { callback(this, symbol, value); },
  45.             configurable: true
  46.         })
  47.     }
  48.  
  49.     createHook(window, "config", function(that, symbol, value) {
  50.         if (typeof value === "object" && value.hasOwnProperty("maxScreenHeight")) {
  51.             delete window.config;
  52.             Object.defineProperty(window, "config", {
  53.                 value: value,
  54.                 configurable: false,
  55.                 writeable: false
  56.             })
  57.         }
  58.     })
  59.  
  60.     // Bypass checkTrusted, so it will just return a callback
  61.     createHook(Object.prototype, "checkTrusted", function(that, symbol, value) {
  62.         delete Object.prototype.checkTrusted;
  63.         that.checkTrusted = (callback) => callback;
  64.     })
  65.  
  66.     // You can change to your own scale factor
  67.     const scale = {
  68.         width: 192,
  69.         height: 108
  70.     };
  71.  
  72.     // Intercept when assigning value to maxScreenHeight, then add our hooks to it
  73.     createHook(Object.prototype, "maxScreenHeight", function(that, symbol, value) {
  74.         delete Object.prototype.maxScreenHeight;
  75.         that.maxScreenWidth = linker(1920 + scale.width * 3);
  76.         that.maxScreenHeight = linker(1080 + scale.height * 3);
  77.     })
  78.  
  79.     let wheels = 0;
  80.     window.addEventListener("wheel", function(event) {
  81.         const { maxScreenWidth, maxScreenHeight } = window.config || {};
  82.         if (event.target.id !== "gameCanvas") return;
  83.  
  84.         // Used to create a small gap, so users could easily find the default scale
  85.         if (maxScreenWidth[0] === 1920 && maxScreenHeight[0] === 1080) wheels += 1;
  86.         if (wheels % 5 !== 0) return;
  87.  
  88.         const { width, height } = scale;
  89.         maxScreenWidth[0] = Math.max(width, maxScreenWidth[0] + (event.deltaY > 0 ? -width : width));
  90.         maxScreenHeight[0] = Math.max(height, maxScreenHeight[0] + (event.deltaY > 0 ? -height : height));
  91.         window.dispatchEvent(new Event("resize"));
  92.     })
  93.  
  94. })();