shinokaro

require "dxruby"

f = Fiber.new do
  loop do
    8.times do
      Fiber.yield 0    # alpha 透明度, ０は透明。試すなら128（半透明）が分かりやすい
      Fiber.yield 255  # red
      Fiber.yield 0    # green
      Fiber.yield 0    # blue
    end