kataso dice chart

dice_chart.js

var script = document.createElement("script");
script.src = "https://www.google.com/jsapi";
document.body.appendChild(script);

var chart_div = document.createElement("div");
chart_div.id = "dice_chart";

google.load("visualization", '1', {packages:['corechart']});
var chart = new google.visualization.ColumnChart(chart_div);

var rolls = {
  2: 0, 3: 0, 4: 0, 5: 0, 6: 0, 7: 0, 8: 0, 9: 0, 10: 0, 11: 0, 12: 0
};
var trials = 0;
var chats = document.getElementsByClassName('chat');
for (var i = 0, len = chats.length; i < len; ++i) {
  var chatText = chats[i].firstElementChild.innerHTML;
  // console.log(chatText);
  // var turn;
  // if (turn = /^--「(\w+)\(([青赤黄緑])\)」ターン--$/.exec(chatText)) {
  //   console.log("ターン変更. プレイヤー: " + turn[1] + ", 色: " + turn[2]);
  // }
  var num;
  if (num = /^ダイス「(\d+)」$/.exec(chatText)) {
    // console.log("num: " + num[1]);
    rolls[num[1]]++;
    trials++;
  }
}
console.log(rolls);
console.log(trials);

var percent_of_rolls = [];
for (key in rolls) {
  percent_of_rolls.push(Math.round((rolls[key] / trials) * 10000) / 100);
}

// console.log(percent_of_rolls.join(','));

console.log('http://chart.apis.google.com/chart?chs=480x480&chd=t:' + percent_of_rolls.join(',') + '|2.78,5.56,8.33,11.11,13.89,16.67,13.89,11.11,8.33,5.56,2.78&chxt=x,y&chxl=0:|2|3|4|5|6|7|8|9|10|11|12&chyp=1,5,10,15,20&cht=bvg&chco=ff0000,666666&chbh=10,2,5&chdl=actual|theoretical&chtt=' + trials);

&chxp=1,5,10,15,20&chxr=1,0,25

http://chart.apis.google.com/chart?chs=480x480&chd=t:2.3,5.75,6.9,9.2,20.69,13.79,14.94,11.49,8.05,3.45,3.45|2.78,5.56,8.33,11.11,13.89,16.67,13.89,11.11,8.33,5.56,2.78&chxp=1,1,5,10,15,20&chxt=x,y&chxl=0:|2|3|4|5|6|7|8|9|10|11|12&cht=bvg&chco=ff0000,666666&chbh=10,2,5&chdl=actual|theoretical&chtt=87&chxr=1,0,25