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December 10, 2019 15:54
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import pygame | |
from pygame.transform import scale2x | |
screen = pygame.display.set_mode((300,300)) | |
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 = 50 | |
pacmany = 145 | |
pellet_image = scale2x(scale2x(spritesheet.subsurface(10, 10, 5, 5))) | |
class Pellet: | |
def __init__(self, xpos, ypos): | |
self.x = xpos | |
self.y = ypos | |
self.image = pellet_image | |
self.rect = pygame.Rect(xpos, ypos, 20, 20) | |
self.show = True | |
def draw_screen(): | |
screen.fill((0,0,0)) | |
screen.blit(pacman, (pacmanx, pacmany)) | |
for pel in pellets: | |
if pel.show: | |
screen.blit(pel.image, (pel.x, pel.y)) | |
pygame.display.update() | |
def check_for_collision(): | |
rpac = rect_pacman() | |
for pel in pellets: | |
if rpac.colliderect(pel.rect): | |
pellets.remove(pel) | |
def update_positions(): | |
MOVE_INCREMENT = 5 | |
global pacmanx, pacmany, moving | |
if moving: | |
check_for_collision() | |
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 | |
def rect_pacman(): | |
return pygame.Rect(pacmanx, pacmany, 32, 32) | |
pellets = [] | |
pelx = 150 | |
pely = 150 | |
for i in range(4): | |
pellets.append(Pellet(pelx, pely)) | |
pelx += 25 | |
# 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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