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require 'sdl'
SDL.init( SDL::INIT_VIDEO )
screen = SDL::setVideoMode(640,480,16,SDL::SWSURFACE)
SDL::WM::setCaption $0, $0
Red=screen.format.mapRGB(255,0,0)
screen.drawAAFilledCircle(320,240,220,[140,180,0])
screen.drawAALineAlpha(20,20,300,200,Red,rand(64)+128)
screen.drawAACircleAlpha(100,100,50,[87,87,87],rand(64)+128)
screen.drawFilledCircleAlpha(300,170,50,[87,80,0],rand(64)+128)
screen.drawEllipseAlpha(320,240,100,200,[200,255,0],rand(64)+128)
screen.flip
while true
while event = SDL::Event2.poll
case event
when SDL::Event2::KeyDown, SDL::Event2::Quit
exit
end
end
sleep 0.2
end
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