PyGame Zero

Flappy Bird Workshop

Marek Mansell

python.sk/navody/flappy

FabLab Bratislava

Obrázky prevzaté z www.fablab.sk

Projekt RoboCoop

Obrázky prevzaté z robocoop.eu

Python?

python.sk/navody/flappy/

Flappy Bird

Flappy

Pozadie
(nehýbe sa)

Pipe

(hýbe sa)

Pipe

(hýbe sa)

Stlačenie medzerníka - Flappy ide hore

python.sk/navody/flappy/

PyGame Zero a Mu editor

Zmena

módu

Súčasný

mód

python.sk/navody/flappy/

Otvorenie súboru "game.py"

Otvor
súbor

python.sk/navody/flappy/

Vytvorenie okna hry

HEIGHT = 500
WIDTH = 500
TITLE = "My Flappy Game"

Spustenie hry

Ukončenie hry

python.sk/navody/flappy/

Herná slučka (Game Loop)

Spracuj vstupy

(napr. klávesnica)

"Update" hry (pozícia postáv)

"Render" hry

(zmeny sa zobrazia)

python.sk/navody/flappy/

Game Loop v PyGame Zero

HEIGHT = 500
WIDTH = 500
TITLE = "My Flappy Game"

def update():
    pass

def draw():
    pass

python.sk/navody/flappy/

Obrázky v PyGame Zero

python.sk/navody/flappy/

Zobrazenie Flappyho

HEIGHT = 500
WIDTH = 500
TITLE = "My Flappy Game"

flappy = Actor("flappy")
flappy.x = WIDTH / 2
flappy.y = HEIGHT / 2
flappy.dy = 0

def update():
    pass

def draw():
    flappy.draw()

python.sk/navody/flappy/

Súradnice

0, 0

500, 500

python.sk/navody/flappy/

Padanie

HEIGHT = 500
WIDTH = 500
TITLE = "My Flappy Game"

GRAVITY = 0.3

flappy = Actor("flappy")
flappy.x = WIDTH / 2
flappy.y = HEIGHT / 2
flappy.dy = 0

def update():
    flappy.y += GRAVITY

def draw():
    flappy.draw()

python.sk/navody/flappy/

Padanie (s akceleráciou)

HEIGHT = 500
WIDTH = 500
TITLE = "My Flappy Game"

GRAVITY = 0.3

flappy = Actor("flappy")
flappy.x = WIDTH / 2
flappy.y = HEIGHT / 2
flappy.dy = 0

def update():
    flappy.y += flappy.dy
    flappy.dy += GRAVITY

def draw():
    flappy.draw()

python.sk/navody/flappy/

Pozadie

HEIGHT = 640
WIDTH = 360
TITLE = "My Flappy Game"

GRAVITY = 0.3

flappy = Actor("flappy")
flappy.x = WIDTH / 2
flappy.y = HEIGHT / 2
flappy.dy = 0

def update():
    flappy.y += flappy.dy
    flappy.dy += GRAVITY

def draw():
    screen.blit("bg", (0, 0))
    flappy.draw()

Medzerník

HEIGHT = 640
WIDTH = 360
TITLE = "My Flappy Game"

GRAVITY = 0.3
FLAP_SPEED = 6.5

def on_key_down(key):
    if key == keys.SPACE:
        flappy.dy = -FLAP_SPEED

python.sk/navody/flappy/

"Vyletenie" z hry

def update():
    flappy.y += flappy.dy
    flappy.dy += GRAVITY
    
    if flappy.top > HEIGHT:
        quit()
    
    if flappy.bottom < 0:
        quit()

python.sk/navody/flappy/

Prvá "rúra"

GRAVITY = 0.3
FLAP_SPEED = 6.5
SPEED = 3

pipe_upper = Actor("pipe_upper")
pipe_upper.left = WIDTH
pipe_upper.top = 0

def update():
    flappy.y += flappy.dy
    flappy.dy += GRAVITY
    
    pipe_upper.left -= SPEED

def draw():
    screen.blit("bg", (0, 0))
    flappy.draw()
    pipe_upper.draw()

Kolízia s rúrou

def update():
    flappy.y += flappy.dy
    flappy.dy += GRAVITY
    
    pipe_upper.left -= SPEED
    
    if flappy.top > HEIGHT:
        quit()
    
    if flappy.bottom < 0:
        quit()
        
    if pipe_upper.colliderect(flappy):
        quit()

python.sk/navody/flappy/

Druhá "rúra"

pipe_lower = Actor("pipe_lower")
pipe_lower.left = 1.5 * WIDTH
pipe_lower.bottom = HEIGHT

    pipe_upper.left -= SPEED
    pipe_lower.left -= SPEED

    if pipe_lower.colliderect(flappy):
        quit()

    pipe_lower.draw()

update

draw

python.sk/navody/flappy/

Opakovanie rúr

    if pipe_upper.right < 0:
        pipe_upper.left = WIDTH

    if pipe_lower.right < 0:
        pipe_lower.left = WIDTH

update

python.sk/navody/flappy/

Vylepšenia

Bodovanie - pripočítavanie bodov
Pauznutie hry pri stlačení klávesy P
Spustenie hry až po prvom stlačení medzerníku
Náhodne vyskytujúce sa rúry
...
vymyslite ďalšie :-)

python.sk/navody/flappy/

Ďalšie možnosti PyGame Zero

python.sk/navody/flappy/

Video na PyGame Zero

python.sk/navody/flappy/

Problém?

python.sk/navody/flappy/

Spätná väzba

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Prezentácia:

slides.com/marekmansell/pygame-zero-flappy

Web: python.sk/navody/flappy/