游戏

#http://blog.jobbole.com/46308/
import pygame
import math
from pygame.locals import *

# initialize the game

pygame.init()

width,height = 640,480
screen = pygame.display.set_mode((width,height))

mybackcolor = 0,0,0
keys = [False, False, False, False]
playerpos=[100,100]
acc = [0,0]
arrows = []
# load images

player = pygame.image.load("resources/images/dude.png")
grass = pygame.image.load("resources/images/grass.png")
castle = pygame.image.load("resources/images/castle.png")
arrow = pygame.image.load("resources/images/bullet.png")


# keep looping through

while 1:
    # clear the screen before drawing it again
    screen.fill(mybackcolor)
    #draw the screen elements

    for x in range(width/grass.get_width()+1):
        for y in range(height/grass.get_height()+1):
            screen.blit(grass, (x * 100, y * 100))

    screen.blit(castle,(0,30))
    screen.blit(castle,(0,135))
    screen.blit(castle, (0, 240))
    screen.blit(castle, (0, 345))


    position = pygame.mouse.get_pos()
    angle = math.atan2(position[1] - (playerpos[1]+32),position[0]-(playerpos[0]+26))
    playerrot = pygame.transform.rotate(player, 360 - angle * 57.29)
    playerpos1 = (playerpos[0] - playerrot.get_rect().width / 2, playerpos[1] - playerrot.get_rect().height / 2)
    #screen.blit(playerrot, playerpos1)
    screen.blit(playerrot, playerpos)

    if event.type == pygame.MOUSEBUTTONDOWN:
        position = pygame.mouse.get_pos()
        acc[1] += 1
        arrows.append([math.atan2(position[1] - (playerpos1[1] + 32), position[0] - (playerpos1[0] + 26)), playerpos1[0] + 32,playerpos1[1] + 32])


    # update the screen
    pygame.display.flip()
    # loop through the events
    for event in pygame.event.get():
        #check if the event is the x button
        if event.type == pygame.QUIT:
            #if it is quit the game
            pygame.quit()
            exit(0)

    if event.type == pygame.KEYDOWN:
        if event.key == pygame.K_w:
            keys[0] = True
        elif event.key == pygame.K_a:
            keys[1] = True
        elif event.key == pygame.K_s:
            keys[2] = True
        elif event.key == pygame.K_d:
            keys[3] = True

    if event.type == pygame.KEYUP:
        if event.key == pygame.K_w:
            keys[0] = False
        elif event.key == pygame.K_a:
            keys[1] = False
        elif event.key == pygame.K_s:
            keys[2] = False
        elif event.key == pygame.K_d:
            keys[3] = False

    # area limited
    # if keys[0]:
    #     if playerpos[1]>5 :
    #         playerpos[1] -= 5
    # elif keys[1]:
    #     if playerpos[1] > 5:
    #         playerpos[0] -= 5
    # elif keys[2]:
    #     if playerpos[0] < height:
    #         playerpos[1] += 5
    # elif keys[3]:
    #     if playerpos[1] < width:
    #         playerpos[0] += 5