PeterHarding at 06:16, 6 January 2011

2011-01-06T06:16:41Z

← Older revision		Revision as of 16:16, 6 January 2011
Line 1:		Line 1:
			I found the following pygame example lying around somewhere and grabbed a copy to experiment with. Havn't got around to it yet...

	=animation.py=		=animation.py=

PeterHarding: Created page with '=animation.py=

 import pygame, sys, time from pygame.locals import *  # set up pygame pygame.init()  # set up the window WINDOWWIDTH = 400 WINDOWHEIGHT = 400 windowSurface ...'

2011-01-06T06:15:44Z

Created page with '=animation.py= <pre> import pygame, sys, time from pygame.locals import * # set up pygame pygame.init() # set up the window WINDOWWIDTH = 400 WINDOWHEIGHT = 400 windowSurface ...'

New page

=animation.py=

<pre>
import pygame, sys, time
from pygame.locals import *

# set up pygame
pygame.init()

# set up the window
WINDOWWIDTH = 400
WINDOWHEIGHT = 400
windowSurface = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT), 0, 32)
pygame.display.set_caption('Animation')

# set up direction variables
DOWNLEFT = 1
DOWNRIGHT = 3
UPLEFT = 7
UPRIGHT = 9

MOVESPEED = 4

# set up the colors
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)

# set up the block data structure
b1 = {'rect':pygame.Rect(300, 80, 50, 100), 'color':RED, 'dir':UPRIGHT}
b2 = {'rect':pygame.Rect(200, 200, 20, 20), 'color':GREEN, 'dir':UPLEFT}
b3 = {'rect':pygame.Rect(100, 150, 60, 60), 'color':BLUE, 'dir':DOWNLEFT}
blocks = [b1, b2, b3]

# run the game loop
while True:
# check for the QUIT event
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()

# draw the black background onto the surface
windowSurface.fill(BLACK)

for b in blocks:
# move the block data structure
if b['dir'] == DOWNLEFT:
b['rect'].left -= MOVESPEED
b['rect'].top += MOVESPEED
if b['dir'] == DOWNRIGHT:
b['rect'].left += MOVESPEED
b['rect'].top += MOVESPEED
if b['dir'] == UPLEFT:
b['rect'].left -= MOVESPEED
b['rect'].top -= MOVESPEED
if b['dir'] == UPRIGHT:
b['rect'].left += MOVESPEED
b['rect'].top -= MOVESPEED

# check if the block has move out of the window
if b['rect'].top < 0:
# block has moved past the top
if b['dir'] == UPLEFT:
b['dir'] = DOWNLEFT
if b['dir'] == UPRIGHT:
b['dir'] = DOWNRIGHT
if b['rect'].bottom > WINDOWHEIGHT:
# block has moved past the bottom
if b['dir'] == DOWNLEFT:
b['dir'] = UPLEFT
if b['dir'] == DOWNRIGHT:
b['dir'] = UPRIGHT
if b['rect'].left < 0:
# block has moved past the left side
if b['dir'] == DOWNLEFT:
b['dir'] = DOWNRIGHT
if b['dir'] == UPLEFT:
b['dir'] = UPRIGHT
if b['rect'].right > WINDOWWIDTH:
# block has moved past the right side
if b['dir'] == DOWNRIGHT:
b['dir'] = DOWNLEFT
if b['dir'] == UPRIGHT:
b['dir'] = UPLEFT

# draw the block onto the surface
pygame.draw.rect(windowSurface, b['color'], b['rect'])

# draw the window onto the screen
pygame.display.update()
time.sleep(0.02)
</pre>

[[Category:Python]]
[[Category:Examples]]

Python - pygame - Revision history

PeterHarding at 06:16, 6 January 2011

PeterHarding: Created page with '=animation.py=
import pygame, sys, time from pygame.locals import * # set up pygame pygame.init() # set up the window WINDOWWIDTH = 400 WINDOWHEIGHT = 400 windowSurface ...'