pygame 大球吃小球

素颜马尾好姑娘i 2022-05-29 04:55 210阅读 0赞

import pygame, random, math
    #介于面向对象编程的理解不深,能写出来已实属不易,我就将我复盘的代码贴出来,自我反省. 其实不想写注释的,因为会的人一眼就能看懂.
    
    BLACK = [0, 0, 0]
    WHITE = [255, 255, 255]
    RED = [255, 0, 0]
    GREEN = [0, 255, 255]
    BLUE = [0, 0, 255]
    
    class Ball(object):
        def __init__(self, x, y, color, radius, dir1):
            self._x = x
            self._y = y
            self._color = color
            self._radius = radius
            self._dir1 = dir1
    
        @property
        def x(self):
            return self._x
        @property
        def y(self):
            return self._y
        @property
        def radius(self):
            return self._radius
        @radius.setter
        def radius(self, new_radius):
            self._radius = new_radius
        @property
        def color(self):
            return self._color
    
        def draw(self, screen):
            pygame.draw.circle(screen, self._color, (self._x, self._y), self._radius, 0)
    
        def move(self):
            self._x += self._dir1[0]
            self._y += self._dir1[1]
            if self._x - self._radius <= 20 or self._x + self._radius >= 780:
                self._dir1[0] = -self._dir1[0]
            if self._y - self._radius <= 20 or self._y + self._radius >= 780:
                self._dir1[1] = -self._dir1[1]
    
        def eat(self, balls):
            for ball2 in balls:
                if math.sqrt((self._x - ball2.x) ** 2 + (self._y - ball2.y) ** 2) < self._radius + ball2.radius \
                        and self._radius > ball2.radius:
                    self._radius += round(ball2.radius * 0.05)
                    balls.remove(ball2)
                    break
    
    
    
    
    
    
    
    def main():
        def create_ball():
            pos = event.pos
            x, y = pos[0], pos[1]
            red = random.randint(0, 255)
            green = random.randint(0, 255)
            blue = random.randint(0, 255)
            new_radius = random.randint(10, 100)
            color = [red, green, blue]
            dir1 =[random.randint(-20, 20), random.randint(-20, 20)]
            if  780 - new_radius >= x >= 20 + new_radius and 780 - new_radius >= y >= 20 + new_radius:
                ball = Ball(x, y, color, new_radius, dir1)
    
                balls.append(ball)
        pygame.display.init()
        screen = pygame.display.set_mode((800, 800))
        pygame.display.set_caption('球球大作战')
        clock = pygame.time.Clock()
        balls = []
        running = True
    
        while running:
    
    
            for event in pygame.event.get():
                print(event)
                if event.type == pygame.QUIT:
                    running = False
                elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
                    create_ball()
            screen.fill([255, 255, 255])
            pygame.draw.rect(screen, [0, 0, 0], [20, 20, 760, 760], 10)
            for ball in balls:
                ball.move()
                ball.eat(balls)
                ball.draw(screen)
    
            pygame.display.flip()
            clock.tick(20)
    
        pygame.quit()
    
    
    if __name__ == '__main__':
        main()