smalruby/dxruby_sdl

# -*- coding: utf-8 -*-
require 'dxruby'

i = Image.new(640, 480)
i.boxFill(50, 50, 350, 200, [255, 0, 0])
i.circle(50, 50, 10, [0, 255, 0])
i.circle(350, 50, 10, [0, 255, 0])
i.circle(50, 200, 10, [0, 255, 0])
i.circle(350, 200, 10, [0, 255, 0])

font = Font.new(50, 'MS Gothic')

Window.loop do
  Window.draw(0, 0, i)

  t = Time.now
  if t.sec.even?
    s = t.strftime('%H:%M:%S')
  else
    s = t.strftime('%H %M %S')
  end
  Window.drawFont(100, 100, s, font)
end