import random

pygame.init()

screen_width = 800

screen_height = 600

screen = pygame.display.set_mode((screen_width, screen_height))

pygame.display.set_caption("Randomly Moving Green Dot")

GREEN = (0, 255, 0)

class Dot:

def init(self, x, y, radius):

self.x = x

self.y = y

self.radius = radius

self.speed_x = random.randint(-3, 3)

self.speed_y = random.randint(-3, 3)

def move(self):

self.x += self.speed_x

self.y += self.speed_y

if self.x <= 0 or self.x >= screen_width:

self.speed_x *= -1

if self.y <= 0 or self.y >= screen_height:

self.speed_y *= -1

def draw(self):

pygame.draw.circle(screen, GREEN, (self.x, self.y), self.radius)

dots = []

for _ in range(50):

x = random.randint(0, screen_width)

y = random.randint(0, screen_height)

radius = random.randint(5, 20)

dot = Dot(x, y, radius)

dots.append(dot)

running = True

while running:

screen.fill((0, 0, 0)) # 清屏

for event in pygame.event.get():

if event.type == pygame.QUIT:

running = False

for dot in dots:

dot.move()

dot.draw()

pygame.display.flip() # 更新屏幕

pygame.time.Clock().tick(60)

# 退出Pygame

pygame.quit()

"This is a pair of scissors hand-drawn with the texture of hair. Scissors are inherently closely related to hair, and such a collision makes me feel very interesting. Therefore, in my own works, I can also present the relationship with hair in this way."