
A P P E N D I X A
P Y T H O N R E C I P E S
267
time.sleep(5)
pygame.quit()
sys.exit()
while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
elif event.type == KEYDOWN:
if event.key == K_RIGHT or event.key == ord(‘d’):
changeDirection = ‘right’
if event.key == K_LEFT or event.key == ord(‘a’):
changeDirection = ‘left’
if event.key == K_UP or event.key == ord(‘w’):
changeDirection = ‘up’
if event.key == K_DOWN or event.key == ord(‘s’):
changeDirection = ‘down’
if event.key == K_ESCAPE:
pygame.event.post(pygame.event.Event(QUIT))
if changeDirection == ‘right’ and not direction == ‘left’:
direction = changeDirection
if changeDirection == ‘left’ and not direction == ‘right’:
direction = changeDirection
if changeDirection == ‘up’ and not direction == ‘down’:
direction = changeDirection
if changeDirection == ‘down’ and not direction == ‘up’:
direction = changeDirection
if direction == ‘right’:
snakePosition[0] += 20
if direction == ‘left’:
snakePosition[0] -= 20
if direction == ‘up’:
snakePosition[1] -= 20
if direction == ‘down’:
snakePosition[1] += 20
snakeSegments.insert(0,list(snakePosition))
if snakePosition[0] == raspberryPosition[0] and
↵
snakePosition[1] == raspberryPosition[1]:
raspberrySpawned = 0
else:
snakeSegments.pop()
if raspberrySpawned == 0:
x = random.randrange(1,32)
y = random.randrange(1,24)
Содержание A
Страница 1: ......
Страница 2: ......
Страница 3: ...Raspberry Pi User Guide 2nd Edition...
Страница 4: ......
Страница 5: ...Raspberry Pi User Guide 2nd Edition Eben Upton and Gareth Halfacree...
Страница 10: ......
Страница 26: ...R A S P B E R R Y P I U S E R G U I D E S E C O N D E D I T I O N 10...
Страница 28: ......
Страница 29: ...Chapter 1 Meet the Raspberry Pi...
Страница 37: ...Chapter 2 Getting Started with the Raspberry Pi...
Страница 56: ......
Страница 57: ...Chapter 3 Linux System Administration...
Страница 79: ...Chapter 4 Troubleshooting...
Страница 89: ...Chapter 5 Network Configuration...
Страница 109: ...Chapter 6 The Raspberry Pi Software Configuration Tool...
Страница 122: ......
Страница 123: ...Chapter 7 Advanced Raspberry Pi Configuration...
Страница 140: ......
Страница 141: ...Chapter 8 The Pi as a Home Theatre PC...
Страница 151: ...Chapter 9 The Pi as a Productivity Machine...
Страница 159: ...C H A P T E R 9 T H E P I A S A P R O D U C T I V I T Y M A C H I N E 143 Figure 9 4 Exporting a file from The Gimp...
Страница 160: ......
Страница 161: ...Chapter 10 The Pi as a Web Server...
Страница 171: ...Part III Programming with the Raspberry Pi Chapter 11 An Introduction to Scratch Chapter 12 An Introduction to Python...
Страница 172: ......
Страница 173: ...Chapter 11 An Introduction to Scratch...
Страница 189: ...Chapter 12 An Introduction to Python...
Страница 216: ......
Страница 218: ......
Страница 219: ...Chapter 13 Learning to Hack Hardware...
Страница 234: ......
Страница 235: ...Chapter 14 The GPIO Port...
Страница 249: ...Chapter 15 The Raspberry Pi Camera Module...
Страница 265: ...Chapter 16 Add on Boards...
Страница 279: ...Part V Appendixes Appendix A Python Recipes Appendix B Camera Module Quick Reference Appendix C HDMI Display Modes...
Страница 280: ......
Страница 281: ...Appendix A Python Recipes...
Страница 287: ...Appendix B Raspberry Pi Camera Module Quick Reference...
Страница 293: ...Appendix C HDMI Display Modes...