SLITHER.IO AUTO PLAY BOT

// ==UserScript==
// @name Slither.io auto play bot
// @include     http://slither.io/
// @author      I HAVE A REALLY LONG NICK NAME
// @description auto play bot for slither.io
// @namespace    http://tampermonkey.net/
// @version      0.1
// @match        *://Slither.io/*
// @downloadURL https://update.greasyfork.org/scripts/371164/Slitherio%20auto%20play%20bot.user.js
// @updateURL https://update.greasyfork.org/scripts/371164/Slitherio%20auto%20play%20bot.meta.js
// ==/UserScript==

var el = document.getElementsByTagName('iframe');

for (var i = 0; i < el.length; i++) {
    var currentEl = el[i];
    currentEl.remove();
}

document.getElementById('logo').remove();
document.getElementById('tips').remove();
document.getElementById('fb').remove();
document.getElementById('twth').remove();


if (window.top != window.self)

REALSCORE = 10;
REALDNA = [1,1,1,1,1,1,1,1,1,1,1,1];

BESTRANK = 1000;
BESTSCORE = 1;

printbot = function() {
    console.log("Dumping bot data:\nREALDNA = " + JSON.stringify(REALDNA) + ";\nREALSCORE = " + REALSCORE + ";\nBESTRANK = " + BESTRANK + ";\nBESTSCORE = " + BESTSCORE + ";");
}

savedna = function() {
    if(typeof(Storage) !== "undefined") {
        localStorage["REALSCORE"] = REALSCORE;
        localStorage["REALDNA"] = JSON.stringify(REALDNA);
        localStorage["BESTRANK"] = BESTRANK;
        localStorage["BESTSCORE"] = BESTSCORE;
    }
}

cleardna = function() {
    localStorage.removeItem("REALSCORE");
    localStorage.removeItem("REALDNA");

    localStorage.removeItem("BESTRANK");
    localStorage.removeItem("BESTSCORE");

    REALSCORE = 30;
    BESTRANK = 1000;

    var distavoid = 90;
    var preykerroin = 5;
    var viholliskerroin = 544;
    var vaarakerroin = 200;
    var chargedistance = 500;
    var pakoondistance = 70;
    var keskikerroin = 2.0;
    var keskihakukerroin = 0.1;

    REALDNA = [distavoid,preykerroin,viholliskerroin,vaarakerroin,chargedistance,pakoondistance,keskikerroin,keskihakukerroin];

    TESTDNA = REALDNA.slice();
    TESTSCORE = REALSCORE;

    testingdna = 1;
    DNA = REALDNA.slice();

    savedna();
}

if(typeof(Storage) !== "undefined") {
    // Code for localStorage/sessionStorage.

    if (!localStorage.REALSCORE || !localStorage.REALDNA || !localStorage.BESTRANK || !localStorage.BESTSCORE) {
        cleardna();
    }
    else
    {
        REALSCORE = localStorage["REALSCORE"]*1;
        REALDNA = JSON.parse(localStorage["REALDNA"]);
        BESTRANK = localStorage["BESTRANK"]*1;
        BESTSCORE = localStorage["BESTSCORE"]*1;
    }
} else {
    // Sorry! No Web Storage support..
}


TESTDNA = REALDNA.slice();
TESTSCORE = REALSCORE;

testingdna = 1;
DNA = REALDNA.slice();

var injected_dead = true;

var lastscore = 0;
var bestscore = 0;

var lastrank = 0;
var bestrank = 1000;
var uhka = false;


var ruokakerroin = 1/40;
var ruokapower = 1;
var vihollispower = 2;
var vaarapower = 2;
var preypower = 1;
var keskipower = 1;


var preychase = true;

var learnrate = 0.3;
var precision = 100;



INJECTED = function() {
    var kerroin = 10000;
    if (animating) {
        if (snake) {
            accelerate = false;
            injected_dead = false;

            //xm = grd-snake.xx;
            //ym = grd-snake.yy;

            xt = 0;
            yt = 0;

            mindist = grd;


            for (var i = 0; i < preys.length; i++) {
                xtd = (preys[i].xx-snake.xx);
                ytd = (preys[i].yy-snake.yy);

                dist = Math.sqrt(xtd*xtd + ytd*ytd);

                xt += xtd/Math.pow(dist,preypower+1)*DNA[1];
                yt += ytd/Math.pow(dist,preypower+1)*DNA[1];

                if (dist < DNA[4] && preychase)
                {
                    accelerate = true;
                }
            }

            uhka = false;
            for (var i = 0; i < snakes.length; i++) {
                //alert(myStringArray[i]);

                target = snakes[i];

                if (snake.id!=target.id)
                {
                    xtd = (target.xx-snake.xx);
                    ytd = (target.yy-snake.yy);

                    dist = Math.sqrt(xtd*xtd + ytd*ytd)-DNA[0];
                    dist = Math.max(1, dist);

                    xt += -xtd/Math.pow(dist,vihollispower+1)*DNA[2];
                    yt += -ytd/Math.pow(dist,vihollispower+1)*DNA[2];



                    if (dist < DNA[5])
                    {
                        accelerate = true;
                    }

                    if (dist<mindist)
                    {
                        uhka = target;
                        mindist = dist;
                        /*if (mindist<300)
                        {
                            accelerate = true;
                        }*/
                    }

                    parts = target.pts;
                    for (var k = 0; k < parts.length; k++)
                    {
                        part = parts[k];

                        xtd = (part.xx-snake.xx);
                        ytd = (part.yy-snake.yy);

                        dist = Math.sqrt(xtd*xtd + ytd*ytd)-DNA[0];
                        dist = Math.max(1, dist);

                        xt += -xtd/Math.pow(dist,vaarapower+1)*DNA[3];
                        yt += -ytd/Math.pow(dist,vaarapower+1)*DNA[3];
                    }

                }
            }


            if (!(preychase && preys.length>0))
            {
                for (var i = 0; i < foods_c; i++) {
                    //alert(myStringArray[i]);

                    xtd = (foods[i].xx-snake.xx);
                    ytd = (foods[i].yy-snake.yy);

                    dist = Math.sqrt(xtd*xtd + ytd*ytd);

                    //xt += Math.pow(ruokakerroin*foods[i].fw,2)*xtd/Math.pow(dist,ruokapower+1);
                    //yt += Math.pow(ruokakerroin*foods[i].fw,2)*ytd/Math.pow(dist,ruokapower+1);
                    xt += Math.pow(foods[i].gr,2)*xtd/Math.pow(dist,ruokapower+1);
                    yt += Math.pow(foods[i].gr,2)*ytd/Math.pow(dist,ruokapower+1);
                }

                xtd = (grd-snake.xx);
                ytd = (grd-snake.yy);

                dist = Math.sqrt(xtd*xtd + ytd*ytd);

                xt += xtd/Math.pow(grd-dist,keskipower+1)*DNA[6];
                yt += ytd/Math.pow(grd-dist,keskipower+1)*DNA[6];

                xt += xtd/grd*DNA[7];
                yt += ytd/grd*DNA[7];


            }

            xm = xt*kerroin;
            ym = yt*kerroin;

            lsxm = -xm;
            lsym = -ym;

            if (accelerate)
            {
                setAcceleration(1);
            }
            else
            {
                setAcceleration(0);
            }

            //console.log("xx:" +  view_xx + "yy:" + view_yy);
            //console.log("snake.xx:" +  snake.xx + "snake.yy:" + snake.yy);
            //console.log("snake.fx:" +  snake.fx + "snake.fy:" + snake.fy);
            //console.log("fvx:" +  fvx + "fvy:" + fvy);
            //console.log("");

            //console.log("foods_c:" + foods_c);
            //console.log("snakes.length:" + snakes.length);

            //console.log("D:" + Math.sqrt(xm*xm + ym*ym));

            lastscore = Math.floor(150 * (fpsls[snake.sct] + snake.fam / fmlts[snake.sct] - 1) - 50) / 10;
            if (!lastscore)
            {
                lastscore = 1;
            }
            lastrank = rank;
            if (!lastrank)
            {
                lastrank = 500;
            }
        }
        else
        {
            if (!injected_dead)
            {
                injected_dead = true;

                if (lastscore>bestscore)
                {
                    console.log("Last score: " + lastscore + "(new best)");
                    bestscore = lastscore;

                    BESTSCORE = bestscore;
                }
                else
                {
                    console.log("Last score: " + lastscore + " Best: " + bestscore);
                }

                if (lastrank<bestrank)
                {
                    console.log("Last rank: " + lastrank + "(new best)");
                    bestrank = lastrank;

                    BESTRANK = bestrank;
                }
                else
                {
                    console.log("Last rank: " + lastrank + " Best: " + bestrank);
                }

                if (testingdna>0)
                {
                    TESTSCORE = lastscore/(lastrank+1);

                }
                else
                {
                    REALSCORE = (REALSCORE+lastscore/lastrank)/2;
                }
                lastscore = 0;

                for (var key in DNA)
                {
                    if (TESTSCORE > REALSCORE)
                    {
                        var mul = TESTSCORE/REALSCORE
                        REALDNA[key] = (REALDNA[key] + TESTDNA[key]*mul)/(1+mul);
                        REALDNA[key] = Math.round(REALDNA[key]*precision)/precision;
                    }

                    if (testingdna<0)
                    {
                        TESTDNA[key] = REALDNA[key] + REALDNA[key]*(Math.random() - Math.random())*learnrate;
                        TESTDNA[key] = Math.round(TESTDNA[key]*precision)/precision;
                    }
                }

                savedna();

                testingdna = -testingdna;

                if (testingdna>0)
                {
                    DNA = TESTDNA.slice();
                }
                else
                {
                    DNA = REALDNA.slice();
                }
                //console.log("DNA = [" + DNA + "];");

                setTimeout(connect, 3000);
                //console.log("Reconnecting");
            }
        }
    }
}

var injectbot = function() {
    if (typeof(redraw) != "undefined")
    {
        oldredraw = redraw;

        redraw = function() {
            INJECTED();
            oldredraw();
        }
        console.log("injected")
        window.onmousemove = null;
    }
    else
    {
        setTimeout(injectbot, 1000);
        console.log("retrying")
    }
}
injectbot();