const SYMBOL_4_STICKRATE = 0.6;

const SYMBOL_GENERIC_STICKRATE = 0.75;

​

const SYMBOLSDICT = [

  ["0", 0.25],

  ["1", 0.5],

  ["2", 0.75],

  ["3", 0.9],

  ["4", 1],

];

const WINNINGLINES = [

  [0, 0, 0],

  [1, 1, 1],

  [2, 2, 2],

  [0, 1, 2],

  [2, 1, 0],

];

​

let wheels;

​

let vollbilder = 0;

let goal = 1000;

let symboltocheck = "3";

​

let round = 0;

​

function setup() {

  createCanvas(400, 400);

​

  let w1 = [];

  let w2 = [];

  let w3 = [];

​

  wheels = [w1, w2, w3];

​

  while (vollbilder < goal) {

    role();

    round++;

  }

  print(round / goal);

}

​

function draw() {}

​

function role() {

  setNewFields();

  if (evaluate()) {

    vollbilder++;

  }

}

​

function setNewFields() {

  for (let j = 0; j < 3; j++) {

    for (let i = 0; i < 3; i++) {

      if (i == 0) {

        let r = Math.random();

        for (let k = 0; k < SYMBOLSDICT.length; k++) {

          if (r < SYMBOLSDICT[k][1]) {

            wheels[j][i] = SYMBOLSDICT[k][0];

            break;

          }

        }

      } else {

        let r2 = Math.random();

        let symbolSet = true;

        switch (wheels[j][i - 1]) {

          case "3":

            if (r2 < SYMBOL_3_STICKRATE) {

              wheels[j][i] = (wheels[j][i - 1]);

            } else {

              symbolSet = false;

            }

            break;

          case "4":

            if (r2 < SYMBOL_4_STICKRATE) {

              wheels[j][i] = (wheels[j][i - 1]);

            } else {

              symbolSet = false;

            }

            break;

          default:

            if (r2 < SYMBOL_GENERIC_STICKRATE) {

              wheels[j][i] = (wheels[j][i - 1]);

            } else {

              symbolSet = false;

            }

        }

        if (!symbolSet) {

          let r3 = Math.random();

          for (let k = 0; k < SYMBOLSDICT.length; k++) {

            if (r3 < SYMBOLSDICT[k][1]) {

              wheels[j][i] = (SYMBOLSDICT[k][0]);

              break;

            }

          }

        }

      }

    }

  }

}

​

function evaluate() {

  let linesWon = [];

  let wheel0 = wheels[0];

  let wheel1 = wheels[1];

  let wheel2 = wheels[2];

  for (const [index, line] of WINNINGLINES.entries()) {

    if (

      wheel0[line[0]] == wheel1[line[1]] &&

      wheel1[line[1]] == wheel2[line[2]]

    ) {

      linesWon.push([index + 1, wheel0[line[0]]]);

    }

  }

  if (linesWon.length == 5 && linesWon[0][1] == symboltocheck) {

    return 1;

  } else {

    return 0;

  }

}

​