一个小游戏
@debt = 0
@i = 0
@identity = "初出茅庐"
def game()
@identity = "久经沙场" if @debt > 0
puts "这里是硅谷。"
puts "你是一位#{@identity}的创业者。"
puts "怀揣10万美元开始创业项目。"
puts "游戏一旦开始就只有两种结局："
puts "成为千万富翁，或是血本无归。"
puts " "
puts "按Enter确认开始。"
print "> "
$stdin.gets
money = 10
while money < 1000 && money > 0
winrate = rand(50..80).to_f
profile = 200/winrate.to_i
@i += 1
puts "第#{@i}个项目，成功率#{winrate}%，收益#{profile}倍。"
finish = false
until finish
puts "请输入你要投入的金额,"
puts "0～#{money}万元，全部投入请输入'a'。"
print "> "
g = $stdin.gets.chomp
if g.to_i == 0
if g == 'a'
invest = money
elsif g == ''
invest = 0
else
next
end
else
invest = g.to_i
end
if invest == 0
puts "深思熟虑之后，你没有投入这个项目。"
print "[Enter]> "
$stdin.gets
finish = true
elsif invest > money
puts "抱歉，你没有那么多钱。"
elsif invest < 0
puts "你在逗我吗。"
else
money = money - invest
if winrate >= rand(1..100)
puts "创业成功，你得到了#{income = profile * invest}万美元回报。"
puts "现在你有#{money = money + income}万美元。"
print "[Enter]> "
$stdin.gets
else
puts "创业失败,你还剩下#{money}万美元。"
print "[Enter]> "
$stdin.gets
end
finish = true
end
end
puts " "
end
if money >= 1000 - @debt
puts "Congratulations! 经历过#{@i}个项目之后，你成为了千万富翁。"
else
puts "Good job! 你输得裤子都不剩。"
print "[Enter]> "
$stdin.gets
answer = nil
until ["yes", "no"].include?(answer)
puts "目前你的债务是#{@debt}万美元，需要贷款吗？"
print "[yes/no]> "
answer = $stdin.gets.chomp
if answer == "yes"
@debt += 10
game()
elsif answer == "no"
puts "再见。"
end
end
end
end
game()
