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keys.py
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keys.py
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import pygame
import os
pygame.init()
width = 1280
height = 960
ballx = 640
bally = 480
r = 255
g = 50
b = 50
a = 128
w = 200
screen = pygame.display.set_mode((width,height))
background = pygame.Surface(screen.get_size()).convert()
emily_art = pygame.image.load(os.path.join("data", 'emily_art.png')).convert()
pygame.transform.scale(emily_art, (width, height), background)
screen.blit(background, (0,0))
ballsurface = pygame.Surface((w,w))
pygame.draw.circle(ballsurface, (r,g,b,a), (w/2,w/2), w/2)
ballsurface = ballsurface.convert_alpha()
screen.blit(ballsurface, (ballx, bally))
clock = pygame.time.Clock()
mainloop = True
FPS = 30
while mainloop:
# Do not go faster than this framerate.
milliseconds = clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
mainloop = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
mainloop = False
elif event.key == pygame.K_UP:
if a < 255:
a = a + 1
elif event.key == pygame.K_DOWN:
if a > 0:
a = a - 1
elif event.key == pygame.K_SPACE:
mainloop = False
screen.blit(background, (0,0))
pygame.draw.circle(ballsurface, (r,g,b, a), (w/2,w/2), w/2)
screen.blit(ballsurface, (ballx, bally))
pygame.display.flip()
pygame.quit()