python pygame实现球球大作战

Python  /  管理员 发布于 7年前   267

本文实例为大家分享了python pygame球球大作战的具体代码，供大家参考，具体内容如下

球球大作战：（大球吃小球,代码如下：）

from random import randint,randrangeimport pygamefrom math import sqrt,piclass Ball(object):  def __init__(self, center, color, radius, sx, sy):    self._center = center    self._color = color    self._radius = radius    self._sx = sx    self._sy = sy  @property  def center(self):    return self._center  @property  def radius(self):    return self._radius  @radius.setter  def radius(self,radius):    self._radius = radius  def move(self):    x, y = self._center[0], self._center[1]    x += self._sx    y += self._sy    self._center = (x, y)    # if x + self._radius > 800:    #   self._sx = -abs(self._sx)    # elif x + self._radius < 0:    #   self._sx = abs(self._sx)    # elif y +self._radius > 800:    #   self._sy = -abs(self._sy)    # elif y +self._radius < 0:    #   self._sy = abs(self._sy)    if x + self._radius >= 800 or x - self._radius <= 0 or x <= 0:      self._sx = -self._sx    if y +self._radius >= 800 or y - self._radius <= 0 or y <= 0:      self._sy = -self._sy  def draw(self,screen):    pygame.draw.circle(screen, self._color, self._center, self._radius, 0)  def eat(self, other):    a = sqrt((self._center[0] - other.center[0]) ** 2 + (self._center[1] - other.center[1]) ** 2)    if a < self._radius + other.radius and self._radius < other.radius:      other.radius = self._radius + other.radius      self.radius = 0    elif a < self._radius + other.radius and self._radius > other.radius:      self._radius = self._radius + other.radius      other.radius = 0def main():  balls = []  pygame.init()  screen = pygame.display.set_mode([800,800])  pygame.display.set_caption('大球吃小球')  c = pygame.time.Clock()  running = True  while running:    for event in pygame.event.get():      if event.type == pygame.QUIT:        running = False      elif event.type == pygame.MOUSEBUTTONDOWN and \         event.button == 1:        color = random_color()        radius = randint(10,100)        sx, sy = randint(-10,10), randint(-10,10)        ball = Ball(event.pos, color, radius, sx, sy)        balls.append(ball)    refresh(screen,balls)    c.tick(20) # 50帧    for ball in balls:      ball.move()    balls_len = len(balls)    for i in range(balls_len):      for x in range(balls_len):        balls[i].eat(balls[x])    for ball in balls:      if ball.radius == 0:        balls.remove(ball)  pygame.quit()def refresh(screen,balls):  bg_color = [255, 255, 255]  screen.fill(bg_color)  for ball in balls:    ball.draw(screen)  pygame.display.flip()def random_color():  return [randint(1,255), randint(1,255), randint(1,255)]if __name__ == '__main__':  main()

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