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Pong.py
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# Simple Pong in Python 3
# By @AudraMartin
import turtle
wn = turtle.Screen()
wn.title("Pong by Audra Martin")
wn.bgcolor("black")
wn.setup(width=800, height=600)
wn.tracer(0)
# Score
score_a = 0
score_b = 0
# Paddle A
paddle_a = turtle.Turtle()
paddle_a.speed(0) # sets speed to maximum speed
paddle_a.shape("square")
paddle_a.color("white")
paddle_a.shapesize(stretch_wid=5, stretch_len=1)
paddle_a.penup()
paddle_a.goto(-350, 0)
# Paddle B
paddle_b = turtle.Turtle()
paddle_b.speed(0) # sets speed to maximum speed
paddle_b.shape("square")
paddle_b.color("white")
paddle_b.shapesize(stretch_wid=5, stretch_len=1)
paddle_b.penup()
paddle_b.goto(350, 0)
# Ball
ball = turtle.Turtle()
ball.speed(0) # sets speed to maximum speed
ball.shape("circle")
ball.color("white")
ball.penup()
ball.goto(0, 0)
ball.dx = 2
ball.dy = 2
# Pen
pen = turtle.Turtle()
pen.speed(0) # sets animation speed
pen.shape("circle")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Player A: 0 Player B: 0", align="center", font=("Courier", 24, "normal"))
# Function
def paddle_a_up():
y = paddle_a.ycor()
y += 20
paddle_a.sety(y)
def paddle_a_down():
y = paddle_a.ycor()
y -= 20
paddle_a.sety(y)
def paddle_b_up():
y = paddle_b.ycor()
y += 20
paddle_b.sety(y)
def paddle_b_down():
y = paddle_b.ycor()
y -= 20
paddle_b.sety(y)
# Keyboard binding
wn.listen() # listen for keyboard input
wn.onkeypress(paddle_a_up, "w") # when user presses "w"
wn.onkeypress(paddle_a_down, "s") # when user presses "s"
wn.onkeypress(paddle_b_up, "Up") # when user presses "Up" arrow
wn.onkeypress(paddle_b_down, "Down") # when user presses "Down" arrow
# Main game loop
while True:
wn.update()
# Move the ball
ball.setx(ball.xcor() + ball.dx)
ball.sety(ball.ycor() + ball.dy)
# Border checking: Top and Bottom
if ball.ycor() > 290:
ball.sety(290)
ball.dy *= -1 # reverse direction of ball
if ball.ycor() < -290:
ball.sety(-290)
ball.dy *= -1 # reverse direction of ball
# Border Checking: Left and Right
if ball.xcor() > 390:
ball.goto(0, 0) # reset ball back to center
ball.dx *= -1
score_a += 1 # increment player A score
pen.clear()
pen.write("Player A: {} Player B: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))
if ball.xcor() < -390:
ball.goto(0, 0) # reset ball back to center
ball.dx *= -1
score_b += 1 # increment player B score
pen.clear()
pen.write("Player A: {} Player B: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))
# Paddle and Ball Collisions
if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() < paddle_b.ycor() + 50 and ball.ycor() > paddle_b.ycor() -50):
ball.dx *= -1
if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() < paddle_a.ycor() + 40 and ball.ycor() > paddle_a.ycor() -40):
ball.dx *= -1