wn = turtle.Screen()

wn.bgcolor("black")

turtle.goto(ballx+4, bally)

#Gives the coordinates for the ball to start, with the +4 centering the ball in the middle of the paddle

turtle.pendown()

turtle.fillcolor("yellow")

turtle.begin_fill()

turtle.circle(8)

#Draws the ball

turtle.end_fill()

turtle.penup()

turtle.goto(user1x+50, turtle.window_height()/2.25)

#Centers top paddle position

turtle.pendown()

turtle.fillcolor("firebrick")

#Fill color set as firebrick red

turtle.begin_fill()

#Fills in top paddle

turtle.right(90)

#Following block of code draws the top (AI) paddle

turtle.forward(16)

#Width of paddle

turtle.right(90)

turtle.forward(100)

#Length of paddle

turtle.right(90)

turtle.forward(16)

turtle.right(90)

turtle.forward(100)

turtle.end_fill()

turtle.penup()

#Top paddle is drawn

turtle.goto(user2x+50, turtle.window_height()/-2.55)

#Centers bottom paddle position

turtle.pendown()

turtle.fillcolor("navy")

#Fill color as navy

turtle.begin_fill()

#Fills in bottom paddle

turtle.right(90)

# Following block of code draws bottom (Player 1) paddle

turtle.forward(16)

#Width of paddle

turtle.right(90)

turtle.forward(100)

#Length of paddle

turtle.right(90)

turtle.forward(16)

turtle.right(90)

turtle.forward(100)

turtle.end_fill()

turtle.penup()

#Bottom paddle is drawn

turtle.goto(200,0)

#Pen is placed in the middle right of screen

turtle.pendown()

turtle.pencolor("white")

#Color is now black

turtle.write("PLAYER 1:" + str(user2points) + "\nAI:" + str(user1points), font =("ms serif", 16, "bold"))

#Creates counter

global user1x, user2x

global ballvx, ballvy

global ballx, bally

user1x, user2x, ballx, bally = 0,0,0,0

#Resets ball when called

ballvx = random.choice([-10, 10])

#Moves the ball horizontally

ballvy = random.choice([-10, 10])

global user1x

if ballx > user1x:

if bally>0:

user1x+=12

#If the ball is to the right of the paddle and above the center

#paddle moves at speed of ball to the right

elif ballx < user1x:

if bally > 0:

user1x -= 12

#If the ball is to the left of the paddle and above center

#paddle moves at speed of ball to the left

global ballx, bally

global ballvx, ballvy

global user1points, user2points

ballx += ballvx

bally += ballvy

if ballx >= turtle.window_width()/2:

#Reflects ball back to the center if the ball hits right wall

ballvx = -ballvx

#(Actual reflection)

if ballx <= -turtle.window_width()/2:

#Reflects ball back to the center if the ball hits left wall

ballvx = -ballvx

#(Actual reflection)

if bally >= (turtle.window_height()/2.25) -32 and user1x -50 <= ballx<=user1x +50:

#Reflects ball back towards center if the ball hits the top paddle based on the length of the paddle and position of ball

ballvy = -ballvy

#(Actual reflection)

if bally <=(turtle.window_height()/-2.55)+4 and user2x-50<=ballx<=user2x + 50:

#Relects ball back towards center if the ball hits the bottom paddle based on the length of paddle and position of ball

ballvy = -ballvy

if user2x-50<=ballx<=user2x:

ballvx = (-1/2)*ballvx

#reflects ball back Left

else:

ballvx = 2*ballvx

#Reflects ball back right

if bally > turtle.window_height() -300:

#If the ball is higher than the frame, player is given point and ball resets

user2points += 1

reset()

if bally < -turtle.window_height() +300 :

#If the ball is lower than the frame, AI is given point and ball resets

user1points += 1

if user1points == 5:

return True

else:

read_high_scores()

global user1points, user2points

name = input(str("Name:"))

info = (user2points, name)

#Tuple made from points and name inputted in shell

scores = open("scores.txt", "a")

infoStr = (str(info))

#Tuple is made a string to be able to be written to file

scores.write(infoStr +"\n")

#Tuple is written to a file with a carriage return

scores = open("scores.txt", "r").readlines()

#Scores is made a list of the info tuples

curr = []

for elem in scores:

curr.append((elem))

#Info tuples appended into curr

curr.sort(reverse = True)

#Curr list is order in decreasing order with user2points as parameter

curr = curr[:10]

#Curr list shortened to the first 10 tuples

yPosAcc = 60

turtle.goto(-305, 80)

#Pen positioned in upper left of window

turtle.pendown()

turtle.write("High Scores:\n", font =("ms serif", 18, "bold"))

turtle.penup()

for elem in range(len(curr)):

results = curr[elem]

#Individual info tuple selected

turtle.goto(-305, yPosAcc)

turtle.pendown()

turtle.write(results, font = ("ms serif", 12, "bold"))

#Tuple written underneath High Score

yPosAcc -= 20

#Y position of next info tuple lowered

turtle.tracer(0,0)

turtle.hideturtle()

turtle.onkey(key_left, "Left")

turtle.onkey(key_right, "Right")

turtle.listen()

reset()

while not is_game_over():

physics()

ai()

turtle.clear()

draw_frame()

turtle.update()

time.sleep(0.05)

update_high_scores()