awsl

from enum import Enum, unique
from math import sqrt
from random import randint

import pygame

@unique
class Color(Enum):
"""颜色"""

RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GRAY = (242, 242, 242)

@staticmethod
def random_color():
"""获得随机颜色"""
r = randint(0, 255)
g = randint(0, 255)
b = randint(0, 255)
return (r, g, b)

class Ball(object):
"""球"""

def __init__(self, x, y, radius, sx, sy, color=Color.RED):
"""初始化方法"""
self.x = x
self.y = y
self.radius = radius
self.sx = sx
self.sy = sy
self.color = color
self.alive = True

def move(self, screen):
"""移动"""
self.x += self.sx
self.y += self.sy
if self.x - self.radius <= 0 or self.x + self.radius >= screen.get_width():
self.sx = -self.sx
if self.y - self.radius <= 0 or self.y + self.radius >= screen.get_height():
self.sy = -self.sy

def eat(self, other):
"""吃其他球"""
if self.alive and other.alive and self != other:
dx, dy = self.x - other.x, self.y - other.y
distance = sqrt(dx ** 2 + dy ** 2)
if distance < self.radius + other.radius \
and self.radius > other.radius:
other.alive = False
self.radius = self.radius + int(other.radius * 0.146)

def draw(self, screen):
"""在窗口上绘制球"""
pygame.draw.circle(screen, self.color,
(self.x, self.y), self.radius, 0)

def main():
# 定义用来装所有球的容器
balls = []
# 初始化导入的pygame中的模块
pygame.init()
# 初始化用于显示的窗口并设置窗口尺寸
screen = pygame.display.set_mode((800, 600))
print(screen.get_width())
print(screen.get_height())
# 设置当前窗口的标题
pygame.display.set_caption('大球吃小球')
# 定义变量来表示小球在屏幕上的位置
x, y = 50, 50
running = True
# 开启一个事件循环处理发生的事件
while running:
# 从消息队列中获取事件并对事件进行处理
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
x, y = event.pos
radius = randint(10, 100)
sx, sy = randint(-10, 10), randint(-10, 10)
color = Color.random_color()
ball = Ball(x, y, radius, sx, sy, color)
balls.append(ball)
screen.fill((255, 255, 255))
for ball in balls:
if ball.alive:
ball.draw(screen)
else:
balls.remove(ball)
pygame.display.flip()
# 每隔50毫秒就改变小球的位置再刷新窗口
pygame.time.delay(50)
for ball in balls:
ball.move(screen)
for other in balls:
ball.eat(other)

if __name__ == '__main__':
main()