一小段完整的pygame程序

import pygame
import random
pygame.init()

#Window setup
size = [400, 300]
screen = pygame.display.set_mode(size)
clock = pygame.time.Clock()

#player position
x = size[0] / 2
y = size[1] / 2

#ball position
ballX = random.randrange(0, size[0])
ballY = random.randrange(0, size[1])

#goal position
goalX = size[0]/2 - 10
goalY = size[1]/2 - 10
goalW = 20
goalH = 20

#pointes
points = 0
point = 0
pointX = 0

#colors
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():
    """Causes a small explosion if the players are touching"""
    global x
    global ballX
    global y
    global ballY

    #check if player and ball are touching
    if -10 < y - ballY < 10 and -10 < x - ballX <10:
        #draw an explosion
        pygame.draw.circle(screen, white, [x, y], 15)

        xDiff = x - ballX
        yDiff = y - ballY

        #check if ball is on edge of screen
        if ballX == 0:
            xDiff -= 5
        elif ballX == size[0]:
            xDiff += 5
        if ballY == 0:
            yDiff -= 5
        elif ballY == size[1]:
            yDiff += 5

        #move the ball and player
        x += yDiff * 3
        ballX -= xDiff * 3

        y += yDiff * 3
        ballY -= yDiff * 3

#Game loop
done = False

#get current time
timeStart = pygame.time.get_ticks()

while not done:
    screen.fill(black)

    #Draw the goal
    pygame.draw.rect(screen, white, (goalX, goalY, goalW, goalH))

    #check ball is in goal
    if goalX <= ballX <= goalX + goalH and goalY <= ballY <= goalY + goalH:
        points += 1
        ballX = random.randrange(0, size[0])
        ballY = random.randrange(0, size[1]) 

    #draw points 
    for point in range(points):
        pointX = 0 + point*5
    pygame.draw.rect(screen, white, (pointX, 3, 4, 7))

    keys = pygame.key.get_pressed()

    #player movement
    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

    #check off screen
    x = CheckOffScreenX(x)
    y = CheckOffScreenY(y)
    ballX = CheckOffScreenX(ballX)
    ballY = CheckOffScreenY(ballY)

    #draw player
    pygame.draw.circle(screen, red, [x,y], 6)

    #check if player is touching the ball
    checkTouching()

    #draw ball
    pygame.draw.circle(screen, blue, [ballX, ballY], 6)

    pygame.display.flip()

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True
        clock.tick(72)

        #Check elapsed time
        timeNow = pygame.time.get_ticks()
        if timeNow - timeStart >= 60000:
            done = True

pygame.quit()

#print on shell window
print "Total Points:" + str(points)
print "Remaining time:" + str(timeNow - timeStart)
一小段完整的pygame程序

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