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Allows to change zoom of the game using mouse wheels
// ==UserScript==
// @name Sploop.io Zoom hack
// @author Murka
// @description Allows to change zoom of the game using mouse wheels
// @icon https://sploop.io/img/ui/favicon.png
// @version 1.1
// @match *://sploop.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/cPRFdcZkeD
Greasyfork: https://greasyfork.org/en/users/919633
*/
(function() {
"use strict";
const log = console.log;
function createHook(target, prop, callback) {
const symbol = Symbol(prop);
Object.defineProperty(target, prop, {
get() {
return this[symbol];
},
set(value) {
callback(this, symbol, value);
},
configurable: true
})
}
function findKey(target, value) {
for (const key in target) {
if (target[key] === value) return key;
}
return null;
}
const CONFIG = {
maxWidth: {
key: null,
value: 1824 + 100 * 5,
actual: 1824 + 100 * 5,
},
maxHeight: {
key: null,
value: 1026 + 100 * 5,
actual: 1026 + 100 * 5,
}
};
const dW = CONFIG.maxWidth.value;
const dH = CONFIG.maxHeight.value;
createHook(Object.prototype, "_a", function(that, symbol, value) {
delete Object.prototype._a;
that._a = value;
const { maxWidth, maxHeight } = CONFIG;
maxWidth.key = findKey(that, 1824);
maxHeight.key = findKey(that, 1026);
Object.defineProperty(that, maxWidth.key, { get: () => maxWidth.value })
Object.defineProperty(that, maxHeight.key, { get: () => maxHeight.value })
});
const lerp = (start, end, factor) => {
return (1 - factor) * start + factor * end;
}
const event = new Event("resize");
const loop = () => {
window.requestAnimationFrame(loop);
const { maxWidth, maxHeight } = CONFIG;
const blend = 0.09;
maxWidth.value = lerp(maxWidth.value, maxWidth.actual, blend);
maxHeight.value = lerp(maxHeight.value, maxHeight.actual, blend);
window.dispatchEvent(event);
}
window.requestAnimationFrame(loop);
let scale = 1;
window.addEventListener("wheel", function(event) {
const { maxWidth, maxHeight } = CONFIG;
if (event.target.id !== "game-canvas" || maxWidth.key === null || maxHeight.key === null) return;
if (event.deltaY < 0) {
scale *= 1.1;
} else {
scale /= 1.1;
}
maxWidth.actual = dW * scale;
maxHeight.actual = dH * scale;
})
})();