#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
require 'curses'
include Curses
init_screen
cbreak
noecho
rt=[]
begin
  sleep(0)
  10.times do
    system("display -geometry +0+0 before.jpg&")
    sleep(2)
    system('pkill magick -U `whoami`')
    srand
    i=rand(3)+1
    if i==1
      system("display -geometry +0+0 after1.jpg&")
    elsif i==2
      system("display -geometry +0+0 after2.jpg&")
    elsif i==3
      system("display -geometry +0+0 after3.jpg&")
    end
    setpos(0,0)
    addstr("\n 1:安全 2:危険")
    refresh
    start=Time.now
    answer=getch
    stop=Time.now
    rt<<[i,answer,stop.to_f-start.to_f]
    refresh
    system('pkill magick -U `whoami`')
    setpos(0,0)
    addstr("\n ")
    refresh
    sleep(2)
  end
  correct=0
  total=0
  for j in rt
    total+=j[2]
    if (j[0]==1 && j[1]=="1") || (j[0] != 1 && j[1]=="2")
      correct+=1
    end
  end
ensure
  close_screen
end
printf("正答%d回  反応時間%5.3f秒\n",correct,total/10)