Draws a Line and a Blob
// ==UserScript==
// @name Bomball Aim Helper
// @description Draws a Line and a Blob
// @author Ko
// @version 1.1
// @match *://playbomball.com/*
// @namespace Ko
// ==/UserScript==
document.body.style.cursor = 'none'
var line = document.createElement('div')
document.body.appendChild(line)
line.style.background = 'white'
line.style.height = '3px'
line.style.width = '2000px'
line.style.position = 'fixed'
line.style.pointerEvents = 'none'
var blob = document.createElement('div')
document.body.appendChild(blob)
blob.style.background = 'white'
blob.style.height = blob.style.width = '32px'
blob.style.borderRadius = '16px'
blob.style.position = 'fixed'
blob.style.pointerEvents = 'none'
document.addEventListener('mousemove', function(mm){
var midx = window.innerWidth / 2,
midy = window.innerHeight / 2,
rotation = Math.atan2(mm.y - midy, mm.x - midx)
line.style.left = midx + 'px'
line.style.top = midy + 'px'
line.style.transform = 'translateX(-50%)rotate('+rotation+'rad)translateX(50%)'
blob.style.left = mm.x - 16 + 'px'
blob.style.top = mm.y - 16 + 'px'
})