Simplification

window.addEventListener("load", () => {
const skins = "fly spider wasp lizard bat snake fox coyote hunter sumo bear cougar panther lion crocodile shark mammoth raptor t-rex kraken".split(" ");
const overlay = document.getElementById("overlays");
for (const skin of skins) {
window.core.registerSkin(skin, null, `https://configs-web.agario.miniclippt.com/live/v9/1027/${skin.replace(/\b(\w)/g, (a) => a.toUpperCase())}.png`, 1, null);
}
let alive = false;
const pso = window.MC.onPlayerSpawn;
window.MC.onPlayerSpawn = function() {
alive = true;
pso.apply(this, arguments);
};
const pdo = window.MC.onPlayerDeath;
window.MC.onPlayerDeath = function() {
alive = false;
pdo.apply(this, arguments);
};
window.setInterval(() => {
console.log("skin change", alive, overlay.style.display == "none");
if (alive && overlay.style.display == "none") {
window.MC.setNick(skins[Math.random() * skins.length | 0]);
}
}, 1e3);
});