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snake_game.py
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# import required modules
import turtle
import time
import random
delay = 0.1
score = 0
high_score = 0
# Creating a window screen
wn = turtle.Screen()
wn.title("Snake Game")
wn.bgcolor("blue")
# the width and height can be put as user's choice
wn.setup(width=600, height=600)
wn.tracer(0)
# head of the snake
head = turtle.Turtle()
head.shape("square")
head.color("white")
head.penup()
head.goto(0, 0)
head.direction = "Stop"
# food in the game
food = turtle.Turtle()
colors = random.choice(['red', 'green', 'black'])
shapes = random.choice(['square', 'triangle', 'circle'])
food.speed(0)
food.shape(shapes)
food.color(colors)
food.penup()
food.goto(0, 100)
pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 250)
pen.write("Score : 0 High Score : 0", align="center",
font=("candara", 24, "bold"))
# assigning key directions
def group():
if head.direction != "down":
head.direction = "up"
def godown():
if head.direction != "up":
head.direction = "down"
def goleft():
if head.direction != "right":
head.direction = "left"
def goright():
if head.direction != "left":
head.direction = "right"
def move():
if head.direction == "up":
y = head.ycor()
head.sety(y+20)
if head.direction == "down":
y = head.ycor()
head.sety(y-20)
if head.direction == "left":
x = head.xcor()
head.setx(x-20)
if head.direction == "right":
x = head.xcor()
head.setx(x+20)
wn.listen()
wn.onkeypress(group, "w")
wn.onkeypress(godown, "s")
wn.onkeypress(goleft, "a")
wn.onkeypress(goright, "d")
segments = []
# Main Gameplay
while True:
wn.update()
if head.xcor() > 290 or head.xcor() < -290 or head.ycor() > 290 or head.ycor() < -290:
time.sleep(1)
head.goto(0, 0)
head.direction = "Stop"
colors = random.choice(['red', 'blue', 'green'])
shapes = random.choice(['square', 'circle'])
for segment in segments:
segment.goto(1000, 1000)
segments.clear()
score = 0
delay = 0.1
pen.clear()
pen.write("Score : {} High Score : {} ".format(
score, high_score), align="center", font=("candara", 24, "bold"))
if head.distance(food) < 20:
x = random.randint(-270, 270)
y = random.randint(-270, 270)
food.goto(x, y)
# Adding segment
new_segment = turtle.Turtle()
new_segment.speed(0)
new_segment.shape("square")
new_segment.color("orange") # tail colour
new_segment.penup()
segments.append(new_segment)
delay -= 0.001
score += 10
if score > high_score:
high_score = score
pen.clear()
pen.write("Score : {} High Score : {} ".format(
score, high_score), align="center", font=("candara", 24, "bold"))
# Checking for head collisions with body segments
for index in range(len(segments)-1, 0, -1):
x = segments[index-1].xcor()
y = segments[index-1].ycor()
segments[index].goto(x, y)
if len(segments) > 0:
x = head.xcor()
y = head.ycor()
segments[0].goto(x, y)
move()
for segment in segments:
if segment.distance(head) < 20:
time.sleep(1)
head.goto(0, 0)
head.direction = "stop"
colors = random.choice(['red', 'blue', 'green'])
shapes = random.choice(['square', 'circle'])
for segment in segments:
segment.goto(1000, 1000)
segment.clear()
score = 0
delay = 0.1
pen.clear()
pen.write("Score : {} High Score : {} ".format(
score, high_score), align="center", font=("candara", 24, "bold"))
time.sleep(delay)
wn.mainloop()