pong

puts "1"
require "curses"
include Curses
include Math
def pong 
  # ALL THIS NEEDS TO BE DISPLAYED SOMEHOW
  # show “CONTROL THE PADDLE WITH THE W AND S KEYS” in the middle of the board for a few seconds
  score = 0
  scof = 1.0
  paddle = 50.0 # max y-coordinate/2, making the board 100x100 for now
  #paddle is 10 long
  ball = {"x" => (rand(50.0) + 50.0), "y" => rand(100.0), "dir" => rand * 2.0 * PI}
  # remember to make everything floats or 1/2 will equal 0 and the world will end
  Curses::timeout = 50
  while ball["x"] != 0 
    #i don’t actually need this for anything but it took a long time to type so i’m saving it just in case
    #(ball[“x”] > 0) && (ball[“x”] < 100) && (ball[“y”] > 0) && (ball[“y”] < 100)
    ball["y"] -= sin(ball["dir"]) * scof * 0.5
    ball["x"] -= cos(ball["dir"]) * scof * 0.5
    setpos 0, 10
    addstr ball.to_s
    setpos 1, 10
    addstr "#{sin(ball["dir"])} #{cos(ball["dir"])}"
    a = Curses::getch
    if a == ("w" || "W")
      paddle += 1
    elsif a == ("s" || "S")
      paddle -= 1
    end
    addstr "#{paddle}"
    newdir = lambda { |x| ball["dir"] + (2 * (x - ball["dir"])) + (rand * 0.3) }
    if ball["y"] <= 0
      ball ["dir"] = newdir[PI * 0.5]
    elsif ball["y"] >= 100
      ball["dir"] = newdir[PI * 1.5]
    elsif ball["x"] >= 100
      ball["dir"] = newdir[PI * 1.0]
    elsif ball["x"] <= 1
      if (ball["y"] < (paddle + 5.0)) && (ball["y"] > (paddle - 5.0))
        ball["dir"] = newdir[0]
        scof += 0.1
        score += 1 
        #alternately, score and speed coefficient could increment with time
      else
        ball["x"] = 0
      end
    end
    setpos ball["x"] / 5 , ball["y"] / 5
    addch '.'
  end
  # replace board with “YOU LOSE”, pause for a second, then add “YOUR SCORE WAS #{score}”, pause again, then “DO YOU WANT TO PLAY AGAIN (Y/N)?”
  b = getch
  if b == ("y" || "Y")
    pong
  end
end
puts "2"
pong
puts "3"