from pygame import draw,init,display,font,event, quit
from random import randint, random,randrange
from pygame.locals import KEYDOWN, QUIT
from time import sleep
init()
pencerem=display.set_mode((800,600))
WHITE=(255,255,255)
BLACK=(0,0,0)
GRAY=(200,200,200)
RED=(255,0,0)
GREEN=(0,255,0)
DARKRED=(255,0,200)
knmx=60
knmy=60
sagx=20
asagiy=20
haritasol=False
haritasag=False
haritayuk=False
haritaasg=False
yembyk=10
saga=True
sola=False
asg=False
yuk=False
hiz=20
uyku=0.01
kuyruk=[]
gercekhiz=0 #ters orantı
yemx=90
yemy=70
yazisekil=font.SysFont(None,40)
degdi=False
coktandegdi=False
def yon(x):
            if int(x)==273 and (saga or sola)==True and (yuk and asg)==False:
                a=True
                b=False
                c=False
                d=False
                return a,b,c,d
            elif int(x)==274 and (saga or sola)==True and (yuk and asg)==False:
                a=False
                b=False
                c=False
                d=True
                return a,b,c,d
            elif int(x)==275 and (saga and sola)==False and (yuk or asg)==True:
                a=False
                b=True
                c=False
                d=False
                return a,b,c,d
            elif int(x)==276 and (saga and sola)==False and (yuk or asg)==True:
                a=False
                b=False
                c=True
                d=False
                return a,b,c,d
            else:
                return yuk,saga,sola,asg
def hareket():
    global n,m
    if yuk==True:
        for i in range(1):
            n=knmy-hiz
            m=knmx
            sleep(uyku)
            return n,m
    elif asg==True:
        for i in range(1):
            n=knmy+hiz
            m=knmx
            sleep(uyku)
            return n,m
    elif sola==True:
        for i in range(1):
            m=knmx-hiz
            n=knmy
            sleep(uyku)
            return n,m
    elif saga==True:
        for i in range(1):
            m=knmx+hiz
            n=knmy
            sleep(uyku)
            return n,m
while True:
    skor=len(kuyruk)+1
    pencerem.fill(BLACK)
    myfont=font.SysFont("Comic Sans MS",30)
    label=myfont.render("SKOR:"+str(skor),1,WHITE)
    pencerem.blit(label,(0,0))
    for index in range(len(kuyruk)-1,0,-1):
        a=kuyruk[index-1].x
        b=kuyruk[index-1].y
        kuyruk[index].x=a
        kuyruk[index].y=b
        draw.rect(pencerem,GRAY,(kuyruk[index].x,kuyruk[index].y,kuyruk[index].width,kuyruk[index].height),2)
    for index in range(len(kuyruk)-1,0,-1):
        if ((((bas.x-kuyruk[index].x)**2)+((bas.y-kuyruk[index].y)**2))**(1/2))<5:
            degdi=True
            if degdi:
                coktandegdi=True
    if coktandegdi:
        knmx=400
        knmy=300
        del kuyruk[:]

    
    for i in range(len(kuyruk)):
        ix=kuyruk[i].x
        ye=kuyruk[i].y
        if abs((yems.x)-ix)<15 and abs((yems.y)-ye)<15:
            yems.x=kuyruk[-1].x
            yems.y=kuyruk[-1].y
    if len(kuyruk) >0:
        a=bas.x
        b=bas.y
        kuyruk[0].x=a
        kuyruk[0].y=b
        draw.rect(pencerem,GRAY,(kuyruk[0].x,kuyruk[0].y,kuyruk[0].width,kuyruk[0].height),2)
    bas=draw.rect(pencerem,GRAY,(knmx,knmy,sagx,asagiy),2)
    yems=draw.circle(pencerem,RED,(yemx,yemy),10,2)
    if ((((bas.x-yems.x)**2)+((bas.y-yems.y)**2))**(1/2))<10:
        yenikuyruk=draw.rect(pencerem,GRAY,(knmx,knmy,sagx,asagiy),2)
        kuyruk.append(yenikuyruk)
        potx=randrange(1,79,2)
        poty=randrange(1,59,2)
        yemx=potx*10
        yemy=poty*10
    for olay in event.get():
        if olay.type==QUIT:
            quit()
        elif olay.type==KEYDOWN:
            kolay=olay.key
            yuk,saga,sola,asg=yon(kolay)
    sleep(0.1)
    knmy,knmx=hareket()
    if knmx>790:
        knmx=0
    elif knmx<0:
        knmx=800
    elif knmy<0:
        knmy=600
    elif knmy>590:
        knmy=0
    coktandegdi=False
    
    display.flip()

yazisekil=SysFont(None,40)