python学习之GUI（pygame键盘）

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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=[400,300] screen=pygame.display.set_mode(size) clock=pygame.time.Clock() done=False while not done:     keys=pygame.key.get_pressed()     if keys[pygame.K_w]:         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=[400,300] screen=pygame.display.set_mode(size) clock=pygame.time.Clock() x=size[0]/2 y=size[1]/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[pygame.K_w]:         y-=1     if keys[pygame.K_s]:         y+=1     if keys[pygame.K_a]:         x-=1     if keys[pygame.K_d]:         x+=1     pygame.draw.circle(screen,red,[x,y],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=[400,300] screen=pygame.display.set_mode(size) clock=pygame.time.Clock() x=size[0]/2 y=size[1]/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[0]:         x=0     elif x<0:         x=size[0]     return x def checkOffScreenY(y):     if y>size[1]:         y=0     elif y<0:         y=size[1]     return y done=False while not done:     screen.fill(black)     keys=pygame.key.get_pressed()     if keys[pygame.K_w]:         y-=1     if keys[pygame.K_s]:         y+=1     if keys[pygame.K_a]:         x-=1     if keys[pygame.K_d]:         x+=1     x=checkOffScreenX(x)     y=checkOffScreenY(y)     pygame.draw.circle(screen,red,[x,y],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：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101

import random import pygame pygame.init() size=[400,300] screen=pygame.display.set_mode(size) clock=pygame.time.Clock() x=size[0]/2 y=size[1]/2 ballX=random.randrange(0,size[0]) ballY=random.randrange(0,size[1]) goalX=size[0]/2-10 goalY=size[1]/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[0]:         x=0     elif x<0:         x=size[0]     return x def checkOffScreenY(y):     if y>size[1]:         y=0     elif y<0:         y=size[1]     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,[x,y],15)         xDiff=x-ballX         yDiff=y-ballY         if ballX==0:             xDiff-=5         elif ballX==size[0]:             xDiff+=5         if ballY==0:             yDiff-=5         elif ballY==size[1]:             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[pygame.K_w]:         y-=1     if keys[pygame.K_s]:         y+=1     if keys[pygame.K_a]:         x-=1     if keys[pygame.K_d]:         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,[x,y],6)     pygame.draw.circle(screen,blue,[ballX,ballY],6)     if goalX<=ballX<=goalX+goalW and goalY<=ballY<=goalY+goalH:         points+=1         ballX=random.randrange(0,size[0])         ballY=random.randrange(0,size[1])     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)