player = Image.load("player.png")
ball = Image.load("ball.PNG")
Ball = { }
Ball[1] = { x = 20, y = 0 }
Pscore = 0
Aiscore = 0
aiy = 0
direction = 1
playery = 0
white = Color.new(255, 255, 255)
Music.playFile("bgmusic.it", true)
while true do
   screen:clear()
rand = math.random(2)
-- Paddle bounce
if Ball[1].x < 12 and Ball[1].y >= playery and Ball[1].y <= playery + 33 and direction == 3 then
direction = 2
end
if Ball[1].x < 12 and Ball[1].y >= playery and Ball[1].y <= playery + 33 and direction == 4 then
direction = 1
end
if Ball[1].x > 450 and Ball[1].y >= aiy and Ball[1].y <= aiy + 33 and direction == 1 then
direction = 4
end
if Ball[1].x > 450 and Ball[1].y >= aiy and Ball[1].y <= aiy + 33 and direction == 2 then
direction = 3
end
if Ball[1].y > aiy and rand == 1 then
aiy = aiy + 2
end
if Ball[1].y < aiy and rand == 1 then
aiy = aiy - 2
end
if Ball[1].y > aiy and rand == 2 then
aiy = aiy + 7
end
if Ball[1].y < aiy and rand == 2 then
aiy = aiy - 7
end

if Ball[1].x < 2 then
 Aiscore = Aiscore + 2/3
end
if Ball[1].x > 470 then
 Pscore = Pscore + 2
end
if Ball[1].y > 262 and direction == 1 then
 direction = 2
end
if Ball[1].x > 468 and direction == 1 then
 direction = 4
end

if Ball[1].y < 0 and direction == 2 then
 direction = 1
end
if Ball[1].x > 470 and direction == 2 then
 direction = 3
end

if Ball[1].y < 0 and direction == 3 then
 direction = 4
end
if Ball[1].x < 0 and direction == 3 then
 direction = 2
end

if Ball[1].y > 262 and direction == 4 then
 direction = 3
end
if Ball[1].x < 0 and direction == 4 then
 direction = 1
end

 -- ball directions
if direction == 1 then
 Ball[1].x = Ball[1].x + 4
 Ball[1].y = Ball[1].y + 4
 end
if direction == 2 then
 Ball[1].x = Ball[1].x + 4
 Ball[1].y = Ball[1].y - 4
 end
if direction == 3 then
 Ball[1].x = Ball[1].x - 4
 Ball[1].y = Ball[1].y - 4
 end
if direction == 4 then
 Ball[1].x = Ball[1].x - 4
 Ball[1].y = Ball[1].y + 4
 end
screen:blit(Ball[1].x,Ball[1].y,ball)

   pad = Controls.read()
   if pad:down() then
   playery = playery + 3
   end
   if pad:up() then
   playery = playery - 3
   end
   if playery > 247 then
   playery = 247
   end
   if playery < 0 then
   playery = 0
   end
   screen:blit(0,playery,player)
   screen:blit(469,aiy,player)
   screen:print(20,0,"Player 1 = " .. Pscore/2,white)
   screen:print(150,0,"AI = " .. Aiscore/2,white)
   screen.waitVblankStart()
   screen.flip() 

end