Snake-game-python/main.py at main · codebyimran-projects/Snake-game-python · GitHub

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import turtle
import time
import random

#  Screen Setup
wn = turtle.Screen()
wn.title("Snake Game")
wn.bgcolor("black")
wn.setup(width=600, height=600)
wn.tracer(0)
#  Game Variables
head = turtle.Turtle()
head.shape("square")
head.color("white")
head.penup()
head.goto(0, 0)
head.direction = "stop"
food = turtle.Turtle()
food.shape("circle")
food.color("red")
food.penup()
food.goto(0, 100)
segments = []
player_score = 0
high_score = 0
#  Score Display
score_display = turtle.Turtle()
score_display.speed(0)
score_display.color("white")
score_display.penup()
score_display.hideturtle()
score_display.goto(0, 260)
score_display.write("Press P to Play | High Score: 0", align="center", font=("Courier", 18, "bold"))
#  Author Display
author = turtle.Turtle()
author.speed(0)
author.color("white")
author.penup()
author.hideturtle()
author.goto(0, -280)
author.write("codebyimran", align="center", font=("Arial", 16, "normal"))
#  Movement 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":
        head.sety(head.ycor() + 20)
    elif head.direction == "down":
        head.sety(head.ycor() - 20)
    elif head.direction == "left":
        head.setx(head.xcor() - 20)
    elif head.direction == "right":
        head.setx(head.xcor() + 20)
#  Reset Game
def reset_game():
    global player_score
    time.sleep(0.5)
    head.goto(0, 0)
    head.direction = "stop"
    for seg in segments:
        seg.goto(1000, 1000)
    segments.clear()
    player_score = 0
    update_score()

def update_score():
    score_display.clear()
    score_display.write(f"Score: {player_score}  |  High Score: {high_score}", align="center", font=("Courier", 18, "bold"))

#  Game Loop
def game_loop():
    global player_score, high_score
    wn.update()

    # Move segments
    for i in range(len(segments) - 1, 0, -1):
        segments[i].goto(segments[i - 1].xcor(), segments[i - 1].ycor())
    if segments:
        segments[0].goto(head.xcor(), head.ycor())

    move()

    # Border collision
    if abs(head.xcor()) > 290 or abs(head.ycor()) > 290:
        reset_game()

    # Food collision
    if head.distance(food) < 20:
        x = random.randint(-280, 280)
        y = random.randint(-280, 280)
        food.goto(x, y)

        new_segment = turtle.Turtle()
        new_segment.speed(0)
        new_segment.shape("square")
        new_segment.color("green")
        new_segment.penup()
        segments.append(new_segment)

        player_score += 1
        if player_score > high_score:
            high_score = player_score
        update_score()

    # Self collision
    for seg in segments:
        if seg.distance(head) < 20:
            reset_game()
            break
    wn.ontimer(game_loop, 100)
#  Start & Exit
def start_game():
    score_display.clear()
    update_score()
    wn.listen()
    wn.onkeypress(go_up, "w")
    wn.onkeypress(go_down, "s")
    wn.onkeypress(go_left, "a")
    wn.onkeypress(go_right, "d")
    game_loop()
def exit_game():
    wn.bye()
# Keyboard Start/Exit
wn.listen()
wn.onkeypress(start_game, "p")  # Press P to start
wn.onkeypress(exit_game, "e")   # Press E to exit

wn.mainloop()