Shows approximate location of enemies on the map. Using this script you can easily find players in the game
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// ==UserScript==
// @name Approximate location tracker
// @author Murka
// @description Shows approximate location of enemies on the map. Using this script you can easily find players in the game
// @icon https://moomoo.io/img/favicon.png?v=1
// @version 0.1
// @match *://moomoo.io/*
// @match *://*.moomoo.io/*
// @run-at document-start
// @grant none
// @license MIT
// @namespace https://greasyfork.org/users/919633
// ==/UserScript==
/* jshint esversion:6 */
/*
Author: Murka
Github: https://github.com/Murka007
Discord: https://discord.gg/sG9cyfGPj5
Greasyfork: https://greasyfork.org/en/users/919633
*/
(function() {
"use strict";
const log = console.log;
function createHook(target, prop, setter) {
const symbol = Symbol(prop);
Object.defineProperty(target, prop, {
get() {
return this[symbol];
},
set(value) {
setter(this, symbol, value);
},
configurable: true
})
}
const myPlayer = {
id: null,
alive: false,
focused: true,
playerObject: null
};
// Get myPlayer object
createHook(Object.prototype, "isPlayer", function(that, symbol, value) {
that[symbol] = value;
if (value === true && that.sid === myPlayer.id) {
myPlayer.playerObject = that;
}
});
function map(value, start1, stop1, start2, stop2) {
return (value - start1) / (stop1 - start1) * (stop2 - start2) + start2;
}
function lerp(start, stop, amt) {
return amt * (stop - start) + start;
}
function inView(x, y, radius) {
const { maxScreenWidth, maxScreenHeight } = window.config || {};
const visibleHorizontally = x + radius > 0 && x - radius < maxScreenWidth;
const visibleVertically = y + radius > 0 && y - radius < maxScreenHeight;
return visibleHorizontally && visibleVertically;
}
const canvas = document.createElement("canvas");
const ctx = canvas.getContext("2d");
canvas.id = "notification-canvas";
canvas.width = 300;
canvas.height = 300;
window.addEventListener("load", function() {
const CSS = `
#notification-canvas {
display: inline-block;
position: absolute;
bottom: 20px;
left: 20px;
width: 130px;
height: 130px;
border-radius: 4px;
}
@media only screen and (max-width: 768px) {
#notification-canvas {
width: 66px;
height: 66px;
bottom: unset;
top: 8px;
left: 8px;
}
}
`;
const style = document.createElement("style");
style.innerHTML = CSS;
document.head.appendChild(style);
const mapDisplay = document.querySelector("#mapDisplay");
mapDisplay.parentNode.insertBefore(canvas, mapDisplay.nextSibling);
})
const notifications = [];
function clear() {
notifications.splice(0, notifications.length);
}
window.addEventListener("focus", () => { myPlayer.focused = true; })
window.addEventListener("blur", () => {
myPlayer.focused = false;
clear();
})
class Notification {
constructor(x, y) {
this._x = x;
this._y = y;
this._radius = 1;
this._opacity = 1;
this._timeout = {
value: 0,
max: 75
};
}
_animate() {
if (this._timeout.value === this._timeout.max) {
const index = notifications.indexOf(this);
notifications.splice(index, 1);
return;
}
this._radius = lerp(this._radius, 35, 0.03);
this._opacity = map(this._timeout.value, 0, this._timeout.max, 1, 0.3);
this._timeout.value += 1;
}
draw() {
this._animate();
const { mapScale } = window.config || {};
if (!mapScale) return;
const x = this._x / mapScale * canvas.width;
const y = this._y / mapScale * canvas.height;
ctx.save();
ctx.globalAlpha = this._opacity;
ctx.strokeStyle = "#c93e3e";
ctx.lineWidth = 10;
ctx.beginPath();
ctx.arc(x, y, this._radius, 0, 2 * Math.PI);
ctx.stroke();
ctx.restore();
}
}
// Notification rendering loop
function loop() {
window.requestAnimationFrame(loop);
ctx.clearRect(0, 0, canvas.width, canvas.height);
for (let i=0;i<notifications.length;i++) {
notifications[i].draw();
}
}
window.requestAnimationFrame(loop);
const objects = new Map();
function createNotification(id) {
const object = objects.get(id);
const { x, y } = myPlayer.playerObject;
// Object must exist and it shouldn't be in player view
if (!object || inView(object.x-x, object.y-y, object.radius)) return;
const notify = new Notification(object.x, object.y);
notifications.push(notify);
}
function playerSetup(temp) {
myPlayer.id = temp[1];
myPlayer.alive = true;
}
function playerDied(temp) {
myPlayer.alive = false;
clear();
}
function formatObject(object) {
const [ id, x, y, angle, radius, resourceType, objectType, ownerID ] = object;
return {
id,
x,
y,
angle,
radius,
resourceType,
objectType,
ownerID
};
}
function createObject(temp) {
for (let i=0;i<temp[1].length;i+=8) {
const object = formatObject(temp[1].slice(i, i+8));
objects.set(object.id, object);
}
}
function deleteObject(temp) {
// Make sure we don't create a new notification when player is afk, otherwise it will cause lag issues
if (myPlayer.alive && myPlayer.focused) createNotification(temp[1]);
objects.delete(temp[1]);
}
const PACKETS = {
1: playerSetup,
11: playerDied,
6: createObject,
12: deleteObject,
};
const msgpack = {
encode: null,
decode: null
};
// Get msgpack's encode and decode methods
Function.prototype.call = new Proxy(Function.prototype.call, {
apply(target, _this, args) {
const data = target.apply(_this, args);
if (args[1] && args[1].i) {
const i = args[1].i;
if (i === 9) msgpack.encode = args[0].encode;
if (i === 15) {
msgpack.decode = args[0].decode;
Function.prototype.call = target;
}
}
return data;
}
})
// Handle WebSocket data
function message(event) {
try {
const data = msgpack.decode(new Uint8Array(event.data));
const temp = [data[0], ...data[1]];
PACKETS[temp[0]](temp);
} catch(err){}
}
// Intercept WebSocket
const set = Object.getOwnPropertyDescriptor(WebSocket.prototype, "onmessage").set;
Object.defineProperty(WebSocket.prototype, "onmessage", {
set(callback) {
return set.call(this, new Proxy(callback, {
apply(target, _this, args) {
message(args[0]);
return target.apply(_this, args);
}
}))
}
})
})();