python学习之GUI（pygame键盘）
keys=pygame.key.get_pressed(),接受游戏中当前按下的所有按键，并把它们保存为一个列表，放在keys变量中pygame.K_w告诉PyGame你在检查w键，通过修改最后的一个字母，你可以把它修改为任何你想要检查的按键
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import pygame
pygame.init()
size=
screen=pygame.display.set_mode(size)
clock=pygame.time.Clock()
done=False
while not done:
keys=pygame.key.get_pressed()
if keys:
print "hello"
for event in pygame.event.get():
if event.type==pygame.QUIT:
done=True
clock.tick(32)
pygame.quit()
控制小球上下左右移动
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import pygame
pygame.init()
size=
screen=pygame.display.set_mode(size)
clock=pygame.time.Clock()
x=size/2
y=size/2
red=pygame.color.Color('#FF8080')
blue=pygame.color.Color('#8080FF')
white=pygame.color.Color('#FFFFFF')
black=pygame.color.Color('#000000')
done=False
while not done:
screen.fill(black)
keys=pygame.key.get_pressed()
if keys:
y-=1
if keys:
y+=1
if keys:
x-=1
if keys:
x+=1
pygame.draw.circle(screen,red,,6)
pygame.display.flip()
for event in pygame.event.get():
if event.type==pygame.QUIT:
done=True
clock.tick(72)
pygame.quit()
注：防止小球出屏幕，加判断
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import pygame
pygame.init()
size=
screen=pygame.display.set_mode(size)
clock=pygame.time.Clock()
x=size/2
y=size/2
red=pygame.color.Color('#FF8080')
blue=pygame.color.Color('#8080FF')
white=pygame.color.Color('#FFFFFF')
black=pygame.color.Color('#000000')
def checkOffScreenX(x):
if x>size:
x=0
elif x<0:
x=size
return x
def checkOffScreenY(y):
if y>size:
y=0
elif y<0:
y=size
return y
done=False
while not done:
screen.fill(black)
keys=pygame.key.get_pressed()
if keys:
y-=1
if keys:
y+=1
if keys:
x-=1
if keys:
x+=1
x=checkOffScreenX(x)
y=checkOffScreenY(y)
pygame.draw.circle(screen,red,,6)
pygame.display.flip()
for event in pygame.event.get():
if event.type==pygame.QUIT:
done=True
clock.tick(72)
pygame.quit()
完整游戏代码：
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import random
import pygame
pygame.init()
size=
screen=pygame.display.set_mode(size)
clock=pygame.time.Clock()
x=size/2
y=size/2
ballX=random.randrange(0,size)
ballY=random.randrange(0,size)
goalX=size/2-10
goalY=size/2-10
goalW=20
goalH=20
points=0
red=pygame.color.Color('#FF8080')
blue=pygame.color.Color('#8080FF')
white=pygame.color.Color('#FFFFFF')
black=pygame.color.Color('#000000')
def checkOffScreenX(x):
if x>size:
x=0
elif x<0:
x=size
return x
def checkOffScreenY(y):
if y>size:
y=0
elif y<0:
y=size
return y
def checkTouching():
global x
global ballX
global y
global ballY
if -10<y-ballY<10 and -10<x-ballX<10:
pygame.draw.circle(screen,white,,15)
xDiff=x-ballX
yDiff=y-ballY
if ballX==0:
xDiff-=5
elif ballX==size:
xDiff+=5
if ballY==0:
yDiff-=5
elif ballY==size:
yDiff+=5
x+=xDiff*3
ballX-=xDiff*3
y+=yDiff*3
ballY-=yDiff*3
done=False
while not done:
screen.fill(black)
pygame.draw.rect(screen,white,(goalX,goalY,goalW,goalH))
keys=pygame.key.get_pressed()
if keys:
y-=1
if keys:
y+=1
if keys:
x-=1
if keys:
x+=1
x=checkOffScreenX(x)
y=checkOffScreenY(y)
ballX=checkOffScreenX(ballX)
ballY=checkOffScreenY(ballY)
checkTouching()
for point in range(points):
pointX=0+point*5
pygame.draw.rect(screen,white,(pointX,3,4,10))
pygame.draw.circle(screen,red,,6)
pygame.draw.circle(screen,blue,,6)
if goalX<=ballX<=goalX+goalW and goalY<=ballY<=goalY+goalH:
points+=1
ballX=random.randrange(0,size)
ballY=random.randrange(0,size)
pygame.display.flip()
for event in pygame.event.get():
if event.type==pygame.QUIT:
done=True
clock.tick(72)
pygame.quit()
print "Total points:"+str(points)
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