wynand1004/snake_game.py

## snake_game.py
# Simple Snake Game in Python 3 for Beginners
# By @TokyoEdTech

import turtle
import time
import random

delay = 0.1

# Score
score = 0
high_score = 0

# Set up the screen
wn = turtle.Screen()
wn.title("Snake Game by @TokyoEdTech")
wn.bgcolor("green")
wn.setup(width=600, height=600)
wn.tracer(0) # Turns off the screen updates

# Snake head
head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("black")
head.penup()
head.goto(0,0)
head.direction = "stop"

# Snake food
food = turtle.Turtle()
food.speed(0)
food.shape("circle")
food.color("red")
food.penup()
food.goto(0,100)

segments = []

# Pen
pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Score: 0  High Score: 0", align="center", font=("Courier", 24, "normal"))

# Functions
def go_up():
    if head.direction != "down":
        head.direction = "up"

def go_down():
    if head.direction != "up":
        head.direction = "down"

def go_left():
    if head.direction != "right":
        head.direction = "left"

def go_right():
    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)

# Keyboard bindings
wn.listen()
wn.onkeypress(go_up, "w")
wn.onkeypress(go_down, "s")
wn.onkeypress(go_left, "a")
wn.onkeypress(go_right, "d")

# Main game loop
while True:
    wn.update()

    # Check for a collision with the border
    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"

        # Hide the segments
        for segment in segments:
            segment.goto(1000, 1000)

        # Clear the segments list
        segments.clear()

        # Reset the score
        score = 0

        # Reset the delay
        delay = 0.1

        pen.clear()
        pen.write("Score: {}  High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))


    # Check for a collision with the food
    if head.distance(food) < 20:
        # Move the food to a random spot
        x = random.randint(-290, 290)
        y = random.randint(-290, 290)
        food.goto(x,y)

        # Add a segment
        new_segment = turtle.Turtle()
        new_segment.speed(0)
        new_segment.shape("square")
        new_segment.color("grey")
        new_segment.penup()
        segments.append(new_segment)

        # Shorten the delay
        delay -= 0.001

        # Increase the score
        score += 10

        if score > high_score:
            high_score = score

        pen.clear()
        pen.write("Score: {}  High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))

    # Move the end segments first in reverse order
    for index in range(len(segments)-1, 0, -1):
        x = segments[index-1].xcor()
        y = segments[index-1].ycor()
        segments[index].goto(x, y)

    # Move segment 0 to where the head is
    if len(segments) > 0:
        x = head.xcor()
        y = head.ycor()
        segments[0].goto(x,y)

    move()

    # Check for head collision with the body segments
    for segment in segments:
        if segment.distance(head) < 20:
            time.sleep(1)
            head.goto(0,0)
            head.direction = "stop"

            # Hide the segments
            for segment in segments:
                segment.goto(1000, 1000)

            # Clear the segments list
            segments.clear()

            # Reset the score
            score = 0

            # Reset the delay
            delay = 0.1

            # Update the score display
            pen.clear()
            pen.write("Score: {}  High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))

    time.sleep(delay)

wn.mainloop()
	# Simple Snake Game in Python 3 for Beginners
	# By @TokyoEdTech

	import turtle
	import time
	import random

	delay = 0.1

	# Score
	score = 0
	high_score = 0

	# Set up the screen
	wn = turtle.Screen()
	wn.title("Snake Game by @TokyoEdTech")
	wn.bgcolor("green")
	wn.setup(width=600, height=600)
	wn.tracer(0) # Turns off the screen updates

	# Snake head
	head = turtle.Turtle()
	head.speed(0)
	head.shape("square")
	head.color("black")
	head.penup()
	head.goto(0,0)
	head.direction = "stop"

	# Snake food
	food = turtle.Turtle()
	food.speed(0)
	food.shape("circle")
	food.color("red")
	food.penup()
	food.goto(0,100)

	segments = []

	# Pen
	pen = turtle.Turtle()
	pen.speed(0)
	pen.shape("square")
	pen.color("white")
	pen.penup()
	pen.hideturtle()
	pen.goto(0, 260)
	pen.write("Score: 0 High Score: 0", align="center", font=("Courier", 24, "normal"))

	# Functions
	def go_up():
	if head.direction != "down":
	head.direction = "up"

	def go_down():
	if head.direction != "up":
	head.direction = "down"

	def go_left():
	if head.direction != "right":
	head.direction = "left"

	def go_right():
	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)

	# Keyboard bindings
	wn.listen()
	wn.onkeypress(go_up, "w")
	wn.onkeypress(go_down, "s")
	wn.onkeypress(go_left, "a")
	wn.onkeypress(go_right, "d")

	# Main game loop
	while True:
	wn.update()

	# Check for a collision with the border
	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"

	# Hide the segments
	for segment in segments:
	segment.goto(1000, 1000)

	# Clear the segments list
	segments.clear()

	# Reset the score
	score = 0

	# Reset the delay
	delay = 0.1

	pen.clear()
	pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))


	# Check for a collision with the food
	if head.distance(food) < 20:
	# Move the food to a random spot
	x = random.randint(-290, 290)
	y = random.randint(-290, 290)
	food.goto(x,y)

	# Add a segment
	new_segment = turtle.Turtle()
	new_segment.speed(0)
	new_segment.shape("square")
	new_segment.color("grey")
	new_segment.penup()
	segments.append(new_segment)

	# Shorten the delay
	delay -= 0.001

	# Increase the score
	score += 10

	if score > high_score:
	high_score = score

	pen.clear()
	pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))

	# Move the end segments first in reverse order
	for index in range(len(segments)-1, 0, -1):
	x = segments[index-1].xcor()
	y = segments[index-1].ycor()
	segments[index].goto(x, y)

	# Move segment 0 to where the head is
	if len(segments) > 0:
	x = head.xcor()
	y = head.ycor()
	segments[0].goto(x,y)

	move()

	# Check for head collision with the body segments
	for segment in segments:
	if segment.distance(head) < 20:
	time.sleep(1)
	head.goto(0,0)
	head.direction = "stop"

	# Hide the segments
	for segment in segments:
	segment.goto(1000, 1000)

	# Clear the segments list
	segments.clear()

	# Reset the score
	score = 0

	# Reset the delay
	delay = 0.1

	# Update the score display
	pen.clear()
	pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Courier", 24, "normal"))

	time.sleep(delay)

	wn.mainloop()