Minefun Galaxy Visual 🌌

Hiệu ứng galaxy đẹp cho minefun (không ảnh hưởng gameplay)
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// ==UserScript==
// @name         Minefun Galaxy Visual 🌌
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Hiệu ứng galaxy đẹp cho minefun (không ảnh hưởng gameplay)
// @author       You
// @match        *://minefun.io/*
// @match        *://*.minefun.io/*
// @grant        none
// ==/UserScript==

(function(){

'use strict';

let on=false,scale=1;

const btn=document.createElement("div");
btn.innerHTML="🌌";
btn.style.position="fixed";
btn.style.top="100px";
btn.style.left="100px";
btn.style.width="60px";
btn.style.height="60px";
btn.style.background="linear-gradient(45deg,#1a002a,#3a0ca3,#7209b7,#f72585)";
btn.style.borderRadius="15px";
btn.style.display="flex";
btn.style.alignItems="center";
btn.style.justifyContent="center";
btn.style.fontSize="30px";
btn.style.cursor="pointer";
btn.style.zIndex="999999";
btn.style.boxShadow="0 0 20px #a855f7";

document.body.appendChild(btn);

let dragging=false,offsetX=0,offsetY=0;

btn.onmousedown=e=>{
dragging=true;
offsetX=e.offsetX;
offsetY=e.offsetY
};

document.onmouseup=()=>dragging=false;

document.onmousemove=e=>{
if(dragging){
btn.style.left=e.clientX-offsetX+"px";
btn.style.top=e.clientY-offsetY+"px"
}
};

const style=document.createElement("style");
style.innerHTML=`
body.galaxy *{transition:all 0.5s ease!important}
body.galaxy{background:radial-gradient(circle at 20% 20%,#1a002a,#000)!important}
body.galaxy canvas{filter:hue-rotate(180deg) saturate(2) brightness(1.2)}
body.galaxy::before{
content:'';
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
pointer-events:none;
background:url('https://i.imgur.com/9QZ7Z6F.png');
opacity:0.4;
mix-blend-mode:screen;
animation:moveStars 60s linear infinite
}
@keyframes moveStars{
from{transform:translateY(0)}
to{transform:translateY(-1000px)}
}
`;

document.head.appendChild(style);

btn.onclick=()=>{
on=!on;
document.body.classList.toggle("galaxy",on);
btn.style.boxShadow=on?"0 0 30px #f72585":"0 0 20px #a855f7"
};

document.addEventListener("keydown",e=>{
if(e.key==="+"){
scale+=0.1;
btn.style.transform="scale("+scale+")"
}
if(e.key==="-"&&scale>0.5){
scale-=0.1;
btn.style.transform="scale("+scale+")"
}
});

})();