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flappy_utils.py
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flappy_utils.py
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import pygame
import sys
def load():
# path of player with different states
PLAYER_PATH = (
'assets/sprites/redbird-upflap.png',
'assets/sprites/redbird-midflap.png',
'assets/sprites/redbird-downflap.png'
)
# path of background
BACKGROUND_PATH = 'assets/sprites/background-black.png'
# path of pipe
PIPE_PATH = 'assets/sprites/pipe-green.png'
IMAGES, SOUNDS, HITMASKS = {}, {}, {}
# numbers sprites for score display
IMAGES['numbers'] = (
pygame.image.load('assets/sprites/0.png').convert_alpha(),
pygame.image.load('assets/sprites/1.png').convert_alpha(),
pygame.image.load('assets/sprites/2.png').convert_alpha(),
pygame.image.load('assets/sprites/3.png').convert_alpha(),
pygame.image.load('assets/sprites/4.png').convert_alpha(),
pygame.image.load('assets/sprites/5.png').convert_alpha(),
pygame.image.load('assets/sprites/6.png').convert_alpha(),
pygame.image.load('assets/sprites/7.png').convert_alpha(),
pygame.image.load('assets/sprites/8.png').convert_alpha(),
pygame.image.load('assets/sprites/9.png').convert_alpha()
)
# base (ground) sprite
IMAGES['base'] = pygame.image.load('assets/sprites/base.png').convert_alpha()
# sounds
if 'win' in sys.platform:
soundExt = '.wav'
else:
soundExt = '.ogg'
#SOUNDS['die'] = pygame.mixer.Sound('assets/audio/die' + soundExt)
#SOUNDS['hit'] = pygame.mixer.Sound('assets/audio/hit' + soundExt)
#SOUNDS['point'] = pygame.mixer.Sound('assets/audio/point' + soundExt)
#SOUNDS['swoosh'] = pygame.mixer.Sound('assets/audio/swoosh' + soundExt)
#SOUNDS['wing'] = pygame.mixer.Sound('assets/audio/wing' + soundExt)
# select random background sprites
IMAGES['background'] = pygame.image.load(BACKGROUND_PATH).convert()
# select random player sprites
IMAGES['player'] = (
pygame.image.load(PLAYER_PATH[0]).convert_alpha(),
pygame.image.load(PLAYER_PATH[1]).convert_alpha(),
pygame.image.load(PLAYER_PATH[2]).convert_alpha(),
)
# select random pipe sprites
IMAGES['pipe'] = (
pygame.transform.rotate(
pygame.image.load(PIPE_PATH).convert_alpha(), 180),
pygame.image.load(PIPE_PATH).convert_alpha(),
)
# hismask for pipes
HITMASKS['pipe'] = (
getHitmask(IMAGES['pipe'][0]),
getHitmask(IMAGES['pipe'][1]),
)
# hitmask for player
HITMASKS['player'] = (
getHitmask(IMAGES['player'][0]),
getHitmask(IMAGES['player'][1]),
getHitmask(IMAGES['player'][2]),
)
return IMAGES, SOUNDS, HITMASKS
def getHitmask(image):
"""returns a hitmask using an image's alpha."""
mask = []
for x in range(image.get_width()):
mask.append([])
for y in range(image.get_height()):
mask[x].append(bool(image.get_at((x,y))[3]))
return mask