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import pygame | |
from pygame.transform import scale2x | |
screen = pygame.display.set_mode((640,480)) | |
spritesheet = pygame.image.load('spritesheet.png') | |
pacman_right = scale2x(spritesheet.subsurface(455, 0, 16, 16)) | |
pacman_left = scale2x(spritesheet.subsurface(455, 16, 16, 16)) | |
pacman_up = scale2x(spritesheet.subsurface(455, 32, 16, 16)) | |
pacman_down = scale2x(spritesheet.subsurface(455, 48, 16, 16)) | |
pacmanx, pacmany = 100, 150 | |
def draw_screen(): | |
screen.fill((0,0,0)) | |
screen.blit(pacman, (pacmanx, pacmany)) | |
pygame.display.update() | |
def update_positions(): | |
MOVE_INCREMENT = 5 | |
global pacmanx, pacmany, moving | |
if moving: | |
if direction == 'right': | |
pacmanx += MOVE_INCREMENT | |
if direction == 'left': | |
pacmanx -= MOVE_INCREMENT | |
if direction == 'up': | |
pacmany -= MOVE_INCREMENT | |
if direction == 'down': | |
pacmany += MOVE_INCREMENT | |
def handle_events(): | |
global running, moving, pacman, direction | |
for e in pygame.event.get(): | |
if e.type == pygame.QUIT: | |
running = False | |
elif e.type == pygame.KEYUP: | |
moving = False | |
elif e.type == pygame.KEYDOWN: | |
kname = pygame.key.name(e.key) | |
moving = True | |
if kname == 'right': | |
pacman = pacman_right | |
direction = 'right' | |
elif kname == 'left': | |
pacman = pacman_left | |
direction = 'left' | |
elif kname == 'up': | |
pacman = pacman_up | |
direction = 'up' | |
elif kname == 'down': | |
pacman = pacman_down | |
direction = 'down' | |
elif kname == 'q': | |
running = False | |
# global state | |
pacman = pacman_right | |
direction = 'right' | |
moving = False | |
running = True | |
# GAME LOOP | |
while running: | |
handle_events() | |
update_positions() | |
draw_screen() |
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