Python大球吃小球

分手后的思念是犯贱 2022-04-25 10:44 426阅读 0赞

# 本小游戏采用了pygame模块 #

1.产生随机颜色的小球。2.小球具有移动、吃别的小球、绘制这3个方法。3.鼠标点击事件

## 上源码 ##

// 大球吃小球
    from enum import Enum, unique
    from math import sqrt
    from random import randint
    
    import pygame
    
    
    @unique
    class Color(Enum):
        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():
            r = randint(0, 255)
            g = randint(0, 255)
            b = randint(0, 255)
            return (r, g, b)
    
    
    class Ball(object):
        def __init__(self, x, y, radius, sx, sy, color=Color.RED):
            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):
            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):
            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):
            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))
        # 设置当前窗口的标题
        pygame.display.set_caption('大球吃小球')
        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
                # 处理鼠标事件的代码
                if event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
                    # 获得点击鼠标的位置
                    x, y = event.pos
                    radius = randint(10, 100)
                    sx, sy = randint(-10, 10), randint(-10, 10)
                    color = Color.random_color()
                    # 在点击鼠标的位置创建一个球(大小、速度和颜色随机)
                    ball = Ball(x, y, radius, sx, sy, color)
                    # 将球添加到列表容器中
                    balls.append(ball)
            screen.fill((255, 255, 255))
            # 取出容器中的球 如果没被吃掉就绘制 被吃掉了就移除
            for ball in balls:
                if ball.alive:
                    ball.draw(screen)
                else:
                    balls.remove(ball)
            pygame.display.flip()
            # 每隔50毫秒就改变球的位置再刷新窗口
            pygame.time.delay(50)
            for ball in balls:
                ball.move(screen)
                # 检查球有没有吃到其他的球
                for other in balls:
                    ball.eat(other)
    
    
    if __name__ == '__main__':
        main()

## 图片 ##

![大球吃小球][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhbmd1b2ZlaQ_size_16_color_FFFFFF_t_70]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhbmd1b2ZlaQ_size_16_color_FFFFFF_t_70]: /images/20220125/1f6c80dbebd84d2c808e030d28b428f7.png