from tkinter import *
import random
 
lives = 3
counter = 0
rocketship_state = 'stand'
ghosts = []
 
def key_pressed(event):
    global rocketship_state
    if event.keysym == 'Left':
        rocketship_state = 'left'
    if event.keysym == 'Right':
        rocketship_state = 'right'
 
def key_released(event):
    global rocketship_state
    if event.keysym in ['Left', 'Right']:
        rocketship_state = 'stand'
 
def play():
    global counter
    global lives
    counter = counter + 1
    rocketship_coords = canvas.coords(rocketship)
    if rocketship_state == 'left' and rocketship_coords[0] > 0:
        canvas.move(rocketship, -1, 0)
    if rocketship_state == 'right' and rocketship_coords[0] < 480:
        canvas.move(rocketship, 1, 0)
    if counter % 100 == 0:
        ghost = canvas.create_image(random.randint(0, 480), 0, image=ghost_image)
        direction = random.randint(-2, 2)
        ghost_struct = {
            'ghost': ghost,
            'direction': direction,
        }
        ghosts.append(ghost_struct)
    deleted_ghosts = []
    hit = False
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        direction = ghost_struct['direction']
        ghost_coords = canvas.coords(ghost)
        if ghost_coords[1] < 360:
            if direction == 0:
                canvas.move(ghost, 0, 1)
            elif abs(direction) == 1:
                canvas.move(ghost, direction/3, 0.95)
            else:
                canvas.move(ghost, direction/3, 0.75)
        else:
            canvas.delete(ghost)
            deleted_ghosts.append(ghost_struct)
        coord_diff_x = abs(ghost_coords[0] - rocketship_coords[0])
        coord_diff_y = abs(ghost_coords[1] - rocketship_coords[1])
        if coord_diff_x <= 40 and coord_diff_y <= 40:
            hit = True
            lives = lives - 1
            lives_nr_label['text'] = str(lives)
    for deleted_ghost in deleted_ghosts:
        ghosts.remove(deleted_ghost)
    if hit:
        for ghost_struct in ghosts:
            canvas.delete(ghost_struct['ghost'])
        ghosts.clear()
    if lives <= 0:
        canvas.create_text(240, 180, text='VÉGE', fill='yellow', font=('Helvetica', 50))
    else:
        root.after(2, play)
 
root = Tk()
root.title('Űrhajós játék')
root.bind('<KeyPress>', key_pressed)
root.bind('<KeyRelease>', key_released)
root.after(2, play)
info_frame = Frame(root)
lives_str_label = Label(master=info_frame, text='Életek száma:')
lives_str_label.grid(column=0, row=0)
lives_nr_label = Label(master=info_frame, text=str(lives))
lives_nr_label.grid(column=1, row=0)
info_frame.pack()
canvas = Canvas(root, width=480, height=360, bg='black')
canvas.pack()
rocketship_image = PhotoImage(file='rocketship.png')
rocketship = canvas.create_image(240, 310, image=rocketship_image)
ghost_image = PhotoImage(file='ghost.png')
root.mainloop()

from tkinter import *
import random
 
lives = 3
counter = 0
rocketship_state = 'stand'
ghosts = []
bullets = [] # new 1
 
def key_pressed(event):
    global rocketship_state
    if event.keysym == 'Left':
        rocketship_state = 'left'
    if event.keysym == 'Right':
        rocketship_state = 'right'
    # new 1 begin
    if event.char == ' ':
        rocketship_coords = canvas.coords(rocketship)
        position_x = rocketship_coords[0] - 10
        position_y = rocketship_coords[1] - 50
        bullet = canvas.create_oval(
            position_x,
            position_y,
            position_x + 20,
            position_y + 20,
            width=3,
            outline='black',
            fill='yellow'
        )
        bullets.append(bullet)
    # new 1 end
 
def key_released(event):
    global rocketship_state
    if event.keysym in ['Left', 'Right']:
        rocketship_state = 'stand'
 
def play():
    global counter
    global lives
    counter = counter + 1
    rocketship_coords = canvas.coords(rocketship)
    if rocketship_state == 'left' and rocketship_coords[0] > 0:
        canvas.move(rocketship, -1, 0)
    if rocketship_state == 'right' and rocketship_coords[0] < 480:
        canvas.move(rocketship, 1, 0)
    # new 1 begin
    deleted_bullets = []
    for bullet in bullets:
        if canvas.coords(bullet)[1] > 0:
            canvas.move(bullet, 0, -1)
        else:
            canvas.delete(bullet)
            deleted_bullets.append(bullet)
    for deleted_bullet in deleted_bullets:
        bullets.remove(deleted_bullet)
    # new 1 end
    if counter % 100 == 0:
        ghost = canvas.create_image(random.randint(0, 480), 0, image=ghost_image)
        direction = random.randint(-2, 2)
        ghost_struct = {
            'ghost': ghost,
            'direction': direction,
        }
        ghosts.append(ghost_struct)
    deleted_ghosts = []
    hit = False
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        direction = ghost_struct['direction']
        ghost_coords = canvas.coords(ghost)
        if ghost_coords[1] < 360:
            if direction == 0:
                canvas.move(ghost, 0, 1)
            elif abs(direction) == 1:
                canvas.move(ghost, direction/3, 0.95)
            else:
                canvas.move(ghost, direction/3, 0.75)
        else:
            canvas.delete(ghost)
            deleted_ghosts.append(ghost_struct)
        coord_diff_x = abs(ghost_coords[0] - rocketship_coords[0])
        coord_diff_y = abs(ghost_coords[1] - rocketship_coords[1])
        if coord_diff_x <= 40 and coord_diff_y <= 40:
            hit = True
            lives = lives - 1
            lives_nr_label['text'] = str(lives)
    for deleted_ghost in deleted_ghosts:
        ghosts.remove(deleted_ghost)
    if hit:
        for ghost_struct in ghosts:
            canvas.delete(ghost_struct['ghost'])
        ghosts.clear()
        # new 1 begin
        for bullet in bullets:
            canvas.delete(bullet)
        bullets.clear()
        # new 1 end
    if lives <= 0:
        canvas.create_text(240, 180, text='VÉGE', fill='yellow', font=('Helvetica', 50))
    else:
        root.after(2, play)
 
root = Tk()
root.title('Űrhajós játék')
root.bind('<KeyPress>', key_pressed)
root.bind('<KeyRelease>', key_released)
root.after(2, play)
info_frame = Frame(root)
lives_str_label = Label(master=info_frame, text='Életek száma:')
lives_str_label.grid(column=0, row=0)
lives_nr_label = Label(master=info_frame, text=str(lives))
lives_nr_label.grid(column=1, row=0)
info_frame.pack()
canvas = Canvas(root, width=480, height=360, bg='black')
canvas.pack()
rocketship_image = PhotoImage(file='rocketship.png')
rocketship = canvas.create_image(240, 310, image=rocketship_image)
ghost_image = PhotoImage(file='ghost.png')
root.mainloop()

from tkinter import *
import random
 
lives = 3
counter = 0
rocketship_state = 'stand'
ghosts = []
bullets = [] # new 1
 
def key_pressed(event):
    global rocketship_state
    if event.keysym == 'Left':
        rocketship_state = 'left'
    if event.keysym == 'Right':
        rocketship_state = 'right'
    # new 1 begin
    if event.char == ' ':
        rocketship_coords = canvas.coords(rocketship)
        position_x = rocketship_coords[0] - 10
        position_y = rocketship_coords[1] - 50
        bullet = canvas.create_oval(
            position_x,
            position_y,
            position_x + 20,
            position_y + 20,
            width=3,
            outline='black',
            fill='yellow'
        )
        bullets.append(bullet)
    # new 1 end
 
def key_released(event):
    global rocketship_state
    if event.keysym in ['Left', 'Right']:
        rocketship_state = 'stand'
 
def play():
    global counter
    global lives
    counter = counter + 1
    rocketship_coords = canvas.coords(rocketship)
    if rocketship_state == 'left' and rocketship_coords[0] > 0:
        canvas.move(rocketship, -1, 0)
    if rocketship_state == 'right' and rocketship_coords[0] < 480:
        canvas.move(rocketship, 1, 0)
    # new 1 begin
    deleted_bullets = []
    for bullet in bullets:
        if canvas.coords(bullet)[1] > 0:
            canvas.move(bullet, 0, -1)
        else:
            canvas.delete(bullet)
            deleted_bullets.append(bullet)
    for deleted_bullet in deleted_bullets:
        bullets.remove(deleted_bullet)
    # new 1 end
    # new 2 begin
    ghosts_to_delete = []
    bullets_to_delete = []
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        ghost_coords = canvas.coords(ghost)
        for bullet in bullets:
            bullet_coords = canvas.coords(bullet)
            coord_diff_x = abs(bullet_coords[0] - ghost_coords[0])
            coord_diff_y = abs(bullet_coords[1] - ghost_coords[1])
            if coord_diff_x < 20 and coord_diff_y < 20:
                ghosts_to_delete.append(ghost_struct)
                bullets_to_delete.append(bullet)
    for ghost_to_delete in ghosts_to_delete:
        canvas.delete(ghost_to_delete['ghost'])
        ghosts.remove(ghost_to_delete)
    for bullet_to_delete in bullets_to_delete:
        canvas.delete(bullet_to_delete)
        bullets.remove(bullet_to_delete)
    # new 2 end
    if counter % 100 == 0:
        ghost = canvas.create_image(random.randint(0, 480), 0, image=ghost_image)
        direction = random.randint(-2, 2)
        ghost_struct = {
            'ghost': ghost,
            'direction': direction,
        }
        ghosts.append(ghost_struct)
    deleted_ghosts = []
    hit = False
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        direction = ghost_struct['direction']
        ghost_coords = canvas.coords(ghost)
        if ghost_coords[1] < 360:
            if direction == 0:
                canvas.move(ghost, 0, 1)
            elif abs(direction) == 1:
                canvas.move(ghost, direction/3, 0.95)
            else:
                canvas.move(ghost, direction/3, 0.75)
        else:
            canvas.delete(ghost)
            deleted_ghosts.append(ghost_struct)
        coord_diff_x = abs(ghost_coords[0] - rocketship_coords[0])
        coord_diff_y = abs(ghost_coords[1] - rocketship_coords[1])
        if coord_diff_x <= 40 and coord_diff_y <= 40:
            hit = True
            lives = lives - 1
            lives_nr_label['text'] = str(lives)
    for deleted_ghost in deleted_ghosts:
        ghosts.remove(deleted_ghost)
    if hit:
        for ghost_struct in ghosts:
            canvas.delete(ghost_struct['ghost'])
        ghosts.clear()
        # new 1 begin
        for bullet in bullets:
            canvas.delete(bullet)
        bullets.clear()
        # new 1 end
    if lives <= 0:
        canvas.create_text(240, 180, text='VÉGE', fill='yellow', font=('Helvetica', 50))
    else:
        root.after(2, play)
 
root = Tk()
root.title('Űrhajós játék')
root.bind('<KeyPress>', key_pressed)
root.bind('<KeyRelease>', key_released)
root.after(2, play)
info_frame = Frame(root)
lives_str_label = Label(master=info_frame, text='Életek száma:')
lives_str_label.grid(column=0, row=0)
lives_nr_label = Label(master=info_frame, text=str(lives))
lives_nr_label.grid(column=1, row=0)
info_frame.pack()
canvas = Canvas(root, width=480, height=360, bg='black')
canvas.pack()
rocketship_image = PhotoImage(file='rocketship.png')
rocketship = canvas.create_image(240, 310, image=rocketship_image)
ghost_image = PhotoImage(file='ghost.png')
root.mainloop()

from tkinter import *
import random
 
lives = 3
score = 0 # new 3
counter = 0
rocketship_state = 'stand'
ghosts = []
bullets = [] # new 1
 
def key_pressed(event):
    global rocketship_state
    if event.keysym == 'Left':
        rocketship_state = 'left'
    if event.keysym == 'Right':
        rocketship_state = 'right'
    # new 1 begin
    if event.char == ' ':
        rocketship_coords = canvas.coords(rocketship)
        position_x = rocketship_coords[0] - 10
        position_y = rocketship_coords[1] - 50
        bullet = canvas.create_oval(
            position_x,
            position_y,
            position_x + 20,
            position_y + 20,
            width=3,
            outline='black',
            fill='yellow'
        )
        bullets.append(bullet)
    # new 1 end
 
def key_released(event):
    global rocketship_state
    if event.keysym in ['Left', 'Right']:
        rocketship_state = 'stand'
 
def play():
    global counter
    global lives
    global score # new 3
    counter = counter + 1
    rocketship_coords = canvas.coords(rocketship)
    if rocketship_state == 'left' and rocketship_coords[0] > 0:
        canvas.move(rocketship, -1, 0)
    if rocketship_state == 'right' and rocketship_coords[0] < 480:
        canvas.move(rocketship, 1, 0)
    # new 1 begin
    deleted_bullets = []
    for bullet in bullets:
        if canvas.coords(bullet)[1] > 0:
            canvas.move(bullet, 0, -1)
        else:
            canvas.delete(bullet)
            deleted_bullets.append(bullet)
    for deleted_bullet in deleted_bullets:
        bullets.remove(deleted_bullet)
    # new 1 end
    # new 2 begin
    ghosts_to_delete = []
    bullets_to_delete = []
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        ghost_coords = canvas.coords(ghost)
        for bullet in bullets:
            bullet_coords = canvas.coords(bullet)
            coord_diff_x = abs(bullet_coords[0] - ghost_coords[0])
            coord_diff_y = abs(bullet_coords[1] - ghost_coords[1])
            if coord_diff_x < 20 and coord_diff_y < 20:
                ghosts_to_delete.append(ghost_struct)
                bullets_to_delete.append(bullet)
                # new 3 begin
                score = score + 1
                score_nr_label['text'] = str(score)
                # new 3 end
    for ghost_to_delete in ghosts_to_delete:
        canvas.delete(ghost_to_delete['ghost'])
        ghosts.remove(ghost_to_delete)
    for bullet_to_delete in bullets_to_delete:
        canvas.delete(bullet_to_delete)
        bullets.remove(bullet_to_delete)
    # new 2 end
    if counter % 100 == 0:
        ghost = canvas.create_image(random.randint(0, 480), 0, image=ghost_image)
        direction = random.randint(-2, 2)
        ghost_struct = {
            'ghost': ghost,
            'direction': direction,
        }
        ghosts.append(ghost_struct)
    deleted_ghosts = []
    hit = False
    for ghost_struct in ghosts:
        ghost = ghost_struct['ghost']
        direction = ghost_struct['direction']
        ghost_coords = canvas.coords(ghost)
        if ghost_coords[1] < 360:
            if direction == 0:
                canvas.move(ghost, 0, 1)
            elif abs(direction) == 1:
                canvas.move(ghost, direction/3, 0.95)
            else:
                canvas.move(ghost, direction/3, 0.75)
        else:
            canvas.delete(ghost)
            deleted_ghosts.append(ghost_struct)
        coord_diff_x = abs(ghost_coords[0] - rocketship_coords[0])
        coord_diff_y = abs(ghost_coords[1] - rocketship_coords[1])
        if coord_diff_x <= 40 and coord_diff_y <= 40:
            hit = True
            lives = lives - 1
            lives_nr_label['text'] = str(lives)
    for deleted_ghost in deleted_ghosts:
        ghosts.remove(deleted_ghost)
    if hit:
        for ghost_struct in ghosts:
            canvas.delete(ghost_struct['ghost'])
        ghosts.clear()
        # new 1 begin
        for bullet in bullets:
            canvas.delete(bullet)
        bullets.clear()
        # new 1 end
    if lives <= 0:
        canvas.create_text(240, 180, text='VÉGE', fill='yellow', font=('Helvetica', 50))
    else:
        root.after(2, play)
 
root = Tk()
root.title('Űrhajós játék')
root.bind('<KeyPress>', key_pressed)
root.bind('<KeyRelease>', key_released)
root.after(2, play)
info_frame = Frame(root)
lives_str_label = Label(master=info_frame, text='Életek száma:')
lives_str_label.grid(column=0, row=0)
lives_nr_label = Label(master=info_frame, text=str(lives))
lives_nr_label.grid(column=1, row=0)
# new 3 begin
score_str_label = Label(master=info_frame, text='Pontszám:')
score_str_label.grid(column=0, row=1)
score_nr_label = Label(master=info_frame, text=str(score))
score_nr_label.grid(column=1, row=1)
# new 3 end
info_frame.pack()
canvas = Canvas(root, width=480, height=360, bg='black')
canvas.pack()
rocketship_image = PhotoImage(file='rocketship.png')
rocketship = canvas.create_image(240, 310, image=rocketship_image)
ghost_image = PhotoImage(file='ghost.png')
root.mainloop()