python-projects/snake game.py at main · Bhavya-002/python-projects · GitHub

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import turtle
import random

w = 50
h = 500
fs = 10
d = 100

offsets = {
    "up" : (0,20),
    "down":(0,-20) ,
    "left":(-20,0),
    "right":(20,0)
}

def r():
    global saap,kata,khanaT, pen
    saap = [[0,0],[0,20],[0,40],[0,60],[0,80]]
    kata = "up"
    khanaT = nun()
    food.goto(khanaT)
    hall()

def hall():
    global kata

    new_head = saap[-1].copy()
    new_head[0] = saap[-1][0] + offsets[kata][0]
    new_head[1] = saap[-1][1] + offsets[kata][1]

    if new_head in saap[-1]:
        r()
    else:
        saap.append(new_head)

        if not khana():
            saap.pop(0)

        if saap[-1][0] > w/2:
            saap[-1][0] -= w
        elif saap[-1][0] < -w/2:
            saap[-1][0] += w
        elif saap[-1][1] > h/2:
            saap[-1][1] -= h
        elif saap[-1][1] < -h/2:
            saap[-1][1] += h

        pen.clearstamps()

        for segment in saap:
            pen.goto(segment[0],segment[1])
            pen.stamp()

        screen.update()

        turtle.ontimer(hall,d)

def khana():
    global khanaT
    if dist(saap[-1],khanaT) < 20:
        khanaT = nun()
        food.goto(khanaT)
        return True
    return False

def nun():
    x = random.randint(-w/2 + fs, w/2 -fs)
    y = random.randint(-h/2 + fs, h/2 - fs)
    return (x,y)

def dist(poos1 , poos2):
    x1, y1 = poos1
    x2, y2 = poos2
    distance = ((y2-y1)** 2 + (x2-x1) ** 2) ** 0.5
    return distance

def mathi():
    global kata
    if kata != "down":
        kata = "up"

def go_right():
    global kata
    if kata != "left":
        kata = "right"

def go_down():
    global kata
    if kata != "up":
        kata = "down"

def go_left():
    global kata
    if kata != "right":
        kata = "left"

screen = turtle.Screen()
screen.setup(w, h)
screen.title("saap")
screen.bgcolor("green")
screen.tracer(0)

pen = turtle.Turtle("square")
pen.penup()

food = turtle.Turtle()
food.shape("circle")
food.color("white")
food.shapesize(fs / 20)
food.penup()

screen.listen()
screen.onkey(mathi, "Up")
screen.onkey(go_right, "Right")
screen.onkey(go_down, "Down")
screen.onkey(go_left, "Left")

r()
turtle.down()