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Create pong game using Python – Turtle
  • Difficulty Level : Easy
  • Last Updated : 01 Oct, 2020

Pong is one of the most famous arcade games, simulating table tennis. Each player controls a paddle in the game by dragging it vertically across the screen’s left or right side. Players use their paddles to strike back and forth on the ball.

Turtle is an inbuilt graphic module in Python. It uses a panel and pen to depict illustrations. 

Below are the steps used:

  • Step 1) Create two paddles A and B on the left and right side of the screen.
  • Step 2) Create a ball.
  • Step 3) Create an event to move the paddle vertically on pressing a certain key.
  • Step 4) Create the function to update the score after each player misses a collision.

Below is the program to create Paddle and Ball:

Python3






# Import required library
import turtle
  
# Create screen
sc = turtle.Screen()
sc.title("Pong game")
sc.bgcolor("white")
sc.setup(width=1000, height=600)
  
  
# Left paddle
left_pad = turtle.Turtle()
left_pad.speed(0)
left_pad.shape("square")
left_pad.color("black")
left_pad.shapesize(stretch_wid=6, stretch_len=2)
left_pad.penup()
left_pad.goto(-400, 0)
  
  
# Right paddle
right_pad = turtle.Turtle()
right_pad.speed(0)
right_pad.shape("square")
right_pad.color("black")
right_pad.shapesize(stretch_wid=6, stretch_len=2)
right_pad.penup()
right_pad.goto(400, 0)
  
  
# Ball of circle shape
hit_ball = turtle.Turtle()
hit_ball.speed(40)
hit_ball.shape("circle")
hit_ball.color("blue")
hit_ball.penup()
hit_ball.goto(0, 0)
hit_ball.dx = 5
hit_ball.dy = -5

Output:

Below is the complete python program to create pong game using turtle library.

Python




# Import required libraray
import turtle
  
  
# Create screen
sc = turtle.Screen()
sc.title("Pong game")
sc.bgcolor("white")
sc.setup(width=1000, height=600)
  
  
# Left paddle
left_pad = turtle.Turtle()
left_pad.speed(0)
left_pad.shape("square")
left_pad.color("black")
left_pad.shapesize(stretch_wid=6, stretch_len=2)
left_pad.penup()
left_pad.goto(-400, 0)
  
  
# Right paddle
right_pad = turtle.Turtle()
right_pad.speed(0)
right_pad.shape("square")
right_pad.color("black")
right_pad.shapesize(stretch_wid=6, stretch_len=2)
right_pad.penup()
right_pad.goto(400, 0)
  
  
# Ball of circle shape
hit_ball = turtle.Turtle()
hit_ball.speed(40)
hit_ball.shape("circle")
hit_ball.color("blue")
hit_ball.penup()
hit_ball.goto(0, 0)
hit_ball.dx = 5
hit_ball.dy = -5
  
  
# Initialize the score
left_player = 0
right_player = 0
  
  
# Displays the score
sketch = turtle.Turtle()
sketch.speed(0)
sketch.color("blue")
sketch.penup()
sketch.hideturtle()
sketch.goto(0, 260)
sketch.write("Left_player : 0    Right_player: 0",
             align="center", font=("Courier", 24, "normal"))
  
  
# Functions to move paddle vertically
def paddleaup():
    y = left_pad.ycor()
    y += 20
    left_pad.sety(y)
  
  
def paddleadown():
    y = left_pad.ycor()
    y -= 20
    left_pad.sety(y)
  
  
def paddlebup():
    y = right_pad.ycor()
    y += 20
    right_pad.sety(y)
  
  
def paddlebdown():
    y = right_pad.ycor()
    y -= 20
    right_pad.sety(y)
  
  
# Keyboard bindings
sc.listen()
sc.onkeypress(paddleaup, "e")
sc.onkeypress(paddleadown, "x")
sc.onkeypress(paddlebup, "Up")
sc.onkeypress(paddlebdown, "Down")
  
  
while True:
    sc.update()
  
    hit_ball.setx(hit_ball.xcor()+hit_ball.dx)
    hit_ball.sety(hit_ball.ycor()+hit_ball.dy)
  
    # Checking borders
    if hit_ball.ycor() > 280:
        hit_ball.sety(280)
        hit_ball.dy *= -1
  
    if hit_ball.ycor() < -280:
        hit_ball.sety(-280)
        hit_ball.dy *= -1
  
    if hit_ball.xcor() > 500:
        hit_ball.goto(0, 0)
        hit_ball.dy *= -1
        left_player += 1
        sketch.clear()
        sketch.write("Left_player : {}    Right_player: {}".format(
                      left_player, right_player), align="center",
                      font=("Courier", 24, "normal"))
  
    if hit_ball.xcor() < -500:
        hit_ball.goto(0, 0)
        hit_ball.dy *= -1
        right_player += 1
        sketch.clear()
        sketch.write("Left_player : {}    Right_player: {}".format(
                                 left_player, right_player), align="center",
                                 font=("Courier", 24, "normal"))
  
    # Paddle ball collision
    if (hit_ball.xcor() > 360 and
                        hit_ball.xcor() < 370) and
                        (hit_ball.ycor() < right_pad.ycor()+40 and
                        hit_ball.ycor() > right_pad.ycor()-40):
        hit_ball.setx(360)
        hit_ball.dx*=-1
         
    if (hit_ball.xcor()<-360 and 
                       hit_ball.xcor()>-370) and 
                       (hit_ball.ycor()<left_pad.ycor()+40 and 
                        hit_ball.ycor()>left_pad.ycor()-40):
        hit_ball.setx(-360)
        hit_ball.dx*=-1

Output:


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