Zombie Survival Python (Hope you enjoy)

Zombie Survival.py

import turtle
import time
import random
import math

print('"Zombie Survival (3.2)" made by Braydan Smith')
print()
print("Would you like a tutorial? Enter 'yes' or 'no' (and DO NOTHING ELSE!).")
awnser=input(":")
awnser=awnser.lower()
if "yes" in awnser:
    print()
    print("You are playing as the blue dude, trying to avoid the green zombie.")
    time.sleep(3)
    print()
    print("Use wasd to move or unpause, and the arrow keys to shoot in different directions.")
    time.sleep(4)
    print()
    print("Press any other key to pause.")
    time.sleep(4)
    print()
    print("You cannot shoot again until the bullet is off the screen.")
    time.sleep(4)
    print()
    print("When you shoot the zombie, you gain 10 points and the game speeds up slightly.")
    time.sleep(4)
    print()
    print("You can travel off the screen to teleport to the opposite side.")
    time.sleep(4)
    print()
    print("If the zombie reaches you, you die.")
    print()
    time.sleep(4)
    print("The game will start in 5 seconds.")
    print()
    print("5...")
    time.sleep(1)
    print()
    print("4...")
    time.sleep(1)
    print()
    print("3...")
    time.sleep(1)
    print()
    print("2...")
    time.sleep(1)
    print()
    print("1...")
    time.sleep(1)
elif "yes" not in awnser:
    print("The game will start in 3 seconds.")
    time.sleep(3)

score=0
delay = 0.05
high_score = 0
gamemode="play"

wn = turtle.Screen()
wn.title("Zombie Survival")
wn.bgcolor("black")

wn.setup(width=600, height=600)
wn.tracer(0)

pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.setposition(-300,-300)
pen.pendown()
pen.pensize(3)
for side in range(4):
    pen.fd(600)
    pen.lt(90)
pen.penup()
pen.hideturtle()
pen.goto(0,250)
pen.pendown()
pen.write("Score: 0   High Score: 0", align="center",
          font=("candara", 24, "bold"))

player = turtle.Turtle()
player.shape("square")
player.color("navy blue")
player.penup()
player.goto(0,0)
player.direction = "Stop"

zombie = turtle.Turtle()
zombie.shape("square")
zombie.color("lime")
zombie.penup()
x = random.randint(-300, 300)
y = random.randint(-300,300)
zombie.setposition(x,y)

zombiesize=26

bullet = turtle.Turtle()
bullet.penup()
bullet.shape("circle")
bullet.color("red")
bullet.shapesize(0.5)
bullet.hideturtle()

bulletspeed = 15
bulletstate = "ready"

def fbu():
    global bulletstate
    if bulletstate == "ready" and player.direction!="Stop":
        bulletstate = "fu"
        x = player.xcor()
        y = player.ycor()+1
        bullet.setposition(x,y)
        bullet.showturtle()

def fbd():
    global bulletstate
    if bulletstate == "ready" and player.direction!="Stop":
        bulletstate = "fd"
        x = player.xcor()
        y = player.ycor()-1
        bullet.setposition(x,y)
        bullet.showturtle()

def fbl():
    global bulletstate
    if bulletstate == "ready" and player.direction!="Stop":
        bulletstate = "fl"
        x = player.xcor()-1
        y = player.ycor()
        bullet.setposition(x,y)
        bullet.showturtle()

def fbr():
    global bulletstate
    if bulletstate == "ready" and player.direction!="Stop":
        bulletstate = "fr"
        x = player.xcor()+1
        y = player.ycor()
        bullet.setposition(x,y)
        bullet.showturtle()

def isCollision(bullet, zombie):
    distance = math.sqrt(math.pow(bullet.xcor()-zombie.xcor(),2)+math.pow(bullet.ycor()-zombie.ycor(),2))
    if distance < zombiesize:
        return True
    else:
        return False
    
def goup():
    player.direction = "up"

def godown():
    player.direction = "down"

def goleft():
    player.direction = "left"

def goright():
    player.direction = "right"

def move():
    if player.direction == "up":
        y = player.ycor()
        player.sety(y+7)
    if player.direction == "down":
        y = player.ycor()
        player.sety(y-7)
    if player.direction == "left":
        x = player.xcor()
        player.setx(x-7)
    if player.direction == "right":
        x = player.xcor()
        player.setx(x+7)
def movezombie():
    if player.direction != "Stop":
        if player.ycor()>zombie.ycor():
            y = zombie.ycor()
            zombie.sety(y+3.5)
        if player.ycor()<zombie.ycor():
            y = zombie.ycor()
            zombie.sety(y-3.5)
        if player.xcor()<zombie.xcor():
            x = zombie.xcor()
            zombie.setx(x-3.5)
        if player.xcor()>zombie.xcor():
            x = zombie.xcor()
            zombie.setx(x+3.5)

def pause():
    player.direction="Stop"
        
wn.listen()
wn.onkeypress(goup,"w")
wn.onkeypress(godown, "s")
wn.onkeypress(goleft, "a")
wn.onkeypress(goright, "d")
wn.onkeypress(fbu, "Up")
wn.onkeypress(fbd, "Down")
wn.onkeypress(fbl, "Left")
wn.onkeypress(fbr, "Right")
wn.onkeypress(pause, " ")

while True:
    wn.update()
    move()
    movezombie()
    time.sleep(delay)
    if isCollision(bullet,zombie):
        if bulletstate != "ready":
            bullet.ht()
            bulletstate = "ready"
            bullet.setposition(0,-400)
            die=random.choice(["a","b","c","d"])
            x1=player.xcor()-100
            x2=player.xcor()+100
            y1=player.ycor()-100
            y2=player.ycor()+100
            zombie.ht()
            if die=="a":
                if player.xcor()>-200 and player.ycor()<200:
                    x3=random.randint(-300, x1)
                    y3=random.randint(y2, 300)
                elif player.xcor()<-199 or player.ycor()>199:
                    die=random.choice(["a","b","c","d"])
            if die=="b":
                if player.xcor()<200 and player.ycor()<200:
                    x3=random.randint(x2, 300)
                    y3=random.randint(y2, 300)
                elif player.xcor()>199 or player.ycor()>199:
                    die=random.choice(["a","b","c","d"])
            if die=="c":
                if player.xcor()>-200 and player.ycor()>-200:
                    x3=random.randint(-300, x1)
                    y3=random.randint(-300,y1)
                elif player.xcor()<-199 or player.ycor()<-199:
                    die=random.choice(["a","b","c","d"])
            if die=="d":
                if player.xcor()<200 and player.ycor()>-200:
                    x3=random.randint(x2, 300)
                    y3=random.randint(-300,y1)
                elif player.xcor()>199 or player.ycor()<-299:
                    die=random.choice(["a","b","c","d"])
            zombie.setposition(x3,y3)
            zombie.st()
            delay -= 0.0005
            score += 10
            if score > 990:
                delay = 0.0005
                zombiesize=75
                zombie.shapesize(3,3)
                zombie.color("red")
            if score > high_score:
                high_score = score
            pen.clear()
            pen.penup()
            pen.setposition(-300,-300)
            pen.pendown()
            pen.pensize(3)
            for side in range(4):
                pen.fd(600)
                pen.lt(90)
            pen.penup()
            pen.hideturtle()
            pen.goto(0,250)
            pen.pendown()
            pen.write("Score: {}   High Score: {}".format(
                score, high_score), align = "center", font=("candara", 24, "bold"))
    if isCollision(zombie,player):
        player.ht()
        zombie.ht()
        player.goto(0,0)
        player.direction = "Stop"
        x = random.randint(-200, 200)
        y = random.randint(100,250)
        zombie.setposition(x,y)
        player.st()
        zombie.st()
        score = 0
        delay = 0.05
        pen.clear()
        pen.penup()
        pen.setposition(-300,-300)
        pen.pendown()
        pen.pensize(3)
        for side in range(4):
            pen.fd(600)
            pen.lt(90)
        pen.penup()
        pen.hideturtle()
        pen.goto(0,250)
        pen.pendown()
        pen.write("Score: {}   High Score: {}".format(
            score, high_score), align="center", font=("candara", 24, "bold"))
    if player.direction!="Stop":
        if bulletstate == "fu":
            y = bullet.ycor()
            y += bulletspeed
            bullet.sety(y)
        if bulletstate == "fd":
            y = bullet.ycor()
            y -= bulletspeed
            bullet.sety(y)
        if bulletstate == "fl":
            x = bullet.xcor()
            x -= bulletspeed
            bullet.setx(x)
        if bulletstate == "fr":
            x = bullet.xcor()
            x += bulletspeed
            bullet.setx(x)
        if bullet.ycor()>300 or bullet.ycor()<-300 or bullet.xcor()<-300 or bullet.xcor()>300:
            bullet.hideturtle()
            bulletstate = "ready"
    if player.ycor()>300:
        x = player.xcor()
        y = player.ycor()-600
        player.hideturtle()
        player.goto(x,y)
        player.showturtle()
    if player.ycor()<-300:
        x = player.xcor()
        y = player.ycor()+600
        player.hideturtle()
        player.goto(x,y)
        player.showturtle()
    if player.xcor()<-300:
        x = player.xcor()+600
        y = player.ycor()
        player.hideturtle()
        player.goto(x,y)
        player.showturtle()
    if player.xcor()>300:
        x = player.xcor()-600
        y = player.ycor()
        player.hideturtle()
        player.goto(x,y)
        player.showturtle()
    if score < 1000:
        zombiesize=26
        zombie.shapesize(1,1)
        zombie.color("lime")