110 lines
3.2 KiB
Python
110 lines
3.2 KiB
Python
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()
|