from tkinter import *
from random import*
from math import*
fen=Tk()


#Definition score
score=0

#L'entête vert foncé
entete=Canvas(fen,width=500, height=50, bg='darkgreen')
entete.grid(columnspan=4, row=0)

#La Fenetre
fen.title("Snake")
canevas=Canvas(fen, width=500, height=500, bg="lightgreen") 
canevas.grid(columnspan=4,row=1)

#Encadrement vert foncé
canevas . create_line( 0, 0, 0, 500, width = 12, fill="darkgreen") #gauche
canevas . create_line( 503, 0, 503, 503, width = 10, fill="darkgreen") #droite
canevas . create_line( 0, 503, 503, 503, width = 10, fill="darkgreen") #bas

#Texte score
textescore=Label(fen,text="Score:")
textescore.grid(column=0,row=0)

#Points
textepoint=Label(fen,text="0")
textepoint.grid(column=1,row=0)

#Insertion boutton quitter
croix=PhotoImage(file="quitter.png")
imagecroix=Button(fen,image=croix,command=fen.destroy)
imagecroix.grid(column=3,row=0)


#Recommencer
def recommencer ():
    global score, snake, mouv
    textepoint.config(text=0)
    score=0
    mouv=1
    for i in range(0,len(snake)):
        elem=snake[i]
        if (elem % 3==0):
            snake.remove(snake[i])
    print (snake)
    
    
#Insertion boutton recommencer
retry=PhotoImage(file="retry.png")
imageretry=Button(fen,image=retry,command=recommencer)
imageretry.grid(column=2,row=0)


#Insertion de la pomme
pomme=PhotoImage(file="pomme.png")

for i in range(1):
    x=randint(11,490)
    y=randint(87,470)
    apple=canevas.create_image(x,y,image=pomme)


#Insertion du serpent
carre1=canevas.create_rectangle(200, 200, 190, 190, fill='darkgreen')
carre2=canevas.create_rectangle(190, 190, 180, 200, fill='darkgreen')
carre3=canevas.create_rectangle(180, 190, 170, 200, fill='darkgreen')
snake=[carre1,carre2,carre3]   #liste ordre carrés

touches = set()

def enfoncer(event):                                            
    touches.add(event.keysym)                                   
  
def relacher(event):                                            
    try:
        touches.remove(event.keysym)
    except:
        pass

#serpent mange la pomme
def repas ():
    global x
    global y
    x1pomme=canevas.coords(apple)[0]
    y1pomme=canevas.coords(apple)[1]
    x2pomme=canevas.coords(apple)[0]+20
    y2pomme=canevas.coords(apple)[1]+20

    x1tete=canevas.coords(snake[-1])[0]
    y1tete=canevas.coords(snake[-1])[1]
    x2tete=canevas.coords(snake[-1])[2]
    y2tete=canevas.coords(snake[-1])[3]
    if ((x1tete > x1pomme and x1tete < x2pomme) or (x2tete > x1pomme and x2tete < x2pomme)) and ((y1tete > y1pomme and y1tete < y2pomme) or (y2tete > y1pomme and y2tete < y2pomme)):
        x=randint(11,490)
        y=randint(87,470)
        canevas.coords(apple,x,y)
        scorePlusUn()
        agrandirSerpent()

#Score
def scorePlusUn():
    global score
    score+=1
    textepoint.config(text=score)


#Serpent qui s'agrandit
def agrandirSerpent(): 
    if (direction=="gauche"):
        x0=canevas.coords(snake[-1])[0]-10
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[0]
        y1=canevas.coords(snake[-1])[1]+10
        snake.append(canevas.create_rectangle(x0,y0,x1,y1, fill="darkgreen"))
    if (direction=="droite"):
        x0=canevas.coords(snake[-1])[0]+10
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[0]
        y1=canevas.coords(snake[-1])[1]+10
        snake.append(canevas.create_rectangle(x0,y0,x1,y1, fill="darkgreen"))
    if (direction=="haut"):
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]+10
        x1=canevas.coords(snake[-1])[0]+10
        y1=canevas.coords(snake[-1])[1]
        snake.append(canevas.create_rectangle(x0,y0,x1,y1, fill="darkgreen"))
    if (direction=="bas"):
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]+10
        x1=canevas.coords(snake[-1])[0]+10
        y1=canevas.coords(snake[-1])[1]
        snake.append(canevas.create_rectangle(x0,y0,x1,y1, fill="darkgreen"))

        
def MouvSnake():
    global direction, mouv, snake
    if ("Left" in touches) and (direction!="droite"):
        direction="gauche"
    elif ("Right" in touches) and (direction!="gauche"):
        direction="droite"
    elif ("Up" in touches) and (direction!="bas"):
        direction="haut"
    elif ("Down" in touches) and (direction!="haut"):
        direction="bas"
    if direction=="gauche":
        gauche()
    elif direction=="droite":
        droite()
    elif direction=="haut":
        haut()
    elif direction=="bas":
        bas()
    repas()
    if (canevas.coords(snake[-1])[2]>=501) or (canevas.coords(snake[-1])[1]<=-1) or (canevas.coords(snake[-1])[0]<=-1) or (canevas.coords(snake[-1])[3]>=501):
        gameover()
    if mouv==1:
        fen.after(70, MouvSnake)
    if mouv==0:
        fen.after(0,MouvSnake)
        

    

#Si serpent touche bord=game over
def gameover ():
    global mouv
    mouv=0

    
#Evènement clavier
def droite():
   global snake
   if (canevas.coords(snake[-1]))[2]<=500:
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[2]
        y1=canevas.coords(snake[-1])[3]
        canevas.coords(snake[0],x0+10,y0,x1+10,y1)
        tmp=snake[0]
        del snake[0]
        snake.append(tmp)

 
def gauche():
    global snake
    if (canevas.coords(snake[-1]))[0]>=0:
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[2]
        y1=canevas.coords(snake[-1])[3]
        canevas.coords(snake[0],x0-10,y0,x1-10,y1)
        tmp=snake[0]
        del snake[0]
        snake.append(tmp)
    
def haut():
    global snake
    if (canevas.coords(snake[-1]))[1]>=0:
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[2]
        y1=canevas.coords(snake[-1])[3]
        canevas.coords(snake[0],x0,y0-10,x1,y1-10)
        tmp=snake[0]
        del snake[0]
        snake.append(tmp)
        
def bas():
    global snake
    if (canevas.coords(snake[-1]))[3]<=503:
        x0=canevas.coords(snake[-1])[0]
        y0=canevas.coords(snake[-1])[1]
        x1=canevas.coords(snake[-1])[2]
        y1=canevas.coords(snake[-1])[3]
        canevas.coords(snake[0],x0,y0+10,x1,y1+10)
        tmp=snake[0]
        del snake[0]
        snake.append(tmp)

def demarage():    #Enclencher le mouvement du snake en appuyant sur n'importe quelle touches
    if enfoncer:
        MouvSnake()



direction="droite"
mouv=1
MouvSnake()
fen.bind("<KeyPress>",enfoncer)
fen.bind("<KeyRelease>",relacher)

fen.mainloop()