说到画图，pygame提供了一些很有用的方法进行画图。
pygame.draw.rect
下面是我做的demo
有鼠标在窗口中点击的时候，系统会自动画出一个矩形，按键盘任意键，清屏
代码部分：
pygame.locals *
sys random *
= { : : : :
SCREEN_DEFAULT_SIZE = (500,500 SCREEN_DEFAULT_COLOR =
screen = pygame.display.set_mode(SCREEN_DEFAULT_SIZE,32
1 event event.type == event.type == event.type == rect_color = (randint(0,255),randint(0,255 rect_pos = (randint(0,500),500 rect_pos_end = (500 - randint(rect_pos[0],500 - randint(rect_pos[1],500 pygame.display.update()
pygame.draw.circle
demo：
当鼠标在窗口中移动的时候，单击鼠标，即可在窗口中产生一个随机圆，按下键盘任意键，清屏
代码部分：
pygame.locals *
sys random *
= { :
1 event event.type == event.type == event.type == c_color = (randint(0,255 c_pos = (randint(0,500 c_r = randint(10,100 pygame.display.update()
pygame.draw.line
demo：
鼠标在窗口中移动的时候，总是有一些线和鼠标汇聚，当鼠标被点击的时候，就会记录下此时的形状
按下键盘任意键，清屏
当然你也可以取消这个功能：
RECORD = False #取消记录鼠标轨迹
代码部分：
pygame.locals *
sys random *
= { : :
SCREEN_WIDTH = 500
SCREEN_HEIGHT = 500
SCREEN_DEFAULT_SIZE = SCREEN_DEFAULT_COLOR =
RECORD =
screen = pygame.display.set_mode(SCREEN_DEFAULT_SIZE,32
point ps =
points = [(0,0),(250,(500 (0,250),(0,500 (500,(500,500
1 event event.type == event.type == event.type == line_color = (randint(0,255
ps = c_p draw_lines(screen,c_p[0],c_p[1 event.type == x,y = line_color = (randint(0,255
pygame.display.update()
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