引言

萬花筒效果通過反射和旋轉圖案創造出美麗的對稱圖案。在這篇博客中，我們將使用Python來實現一個動態的萬花筒效果。通過利用Pygame庫，我們可以生成并展示出炫目的動態圖案。

準備工作

前置條件

在開始之前，你需要確保你的系統已經安裝了Pygame庫。如果你還沒有安裝它，可以使用以下命令進行安裝：

pip install pygame

Pygame是一個跨平臺的Python模塊，用于編寫視頻游戲。它包括計算機圖形和聲音庫，使得游戲開發更加簡單。

代碼實現與解析

導入必要的庫

我們首先需要導入Pygame庫和其他必要的模塊：

import pygame
import math
import random

初始化Pygame

我們需要初始化Pygame并設置屏幕的基本參數：

pygame.init()
screen = pygame.display.set_mode((800, 800))
pygame.display.set_caption("萬花筒效果")
clock = pygame.time.Clock()

定義繪制萬花筒圖案的函數

我們定義一個函數來繪制動態的萬花筒圖案：

def draw_kaleidoscope(screen, num_segments, radius):center_x, center_y = screen.get_width() // 2, screen.get_height() // 2angle_step = 2 * math.pi / num_segmentscolors = [(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)) for _ in range(num_segments)]for i in range(num_segments):angle = i * angle_stepx = center_x + int(radius * math.cos(angle))y = center_y + int(radius * math.sin(angle))pygame.draw.line(screen, colors[i], (center_x, center_y), (x, y), 2)for j in range(1, radius // 10):x1 = center_x + int((radius - j * 10) * math.cos(angle))y1 = center_y + int((radius - j * 10) * math.sin(angle))x2 = center_x + int((radius - j * 10) * math.cos(angle + angle_step))y2 = center_y + int((radius - j * 10) * math.sin(angle + angle_step))pygame.draw.line(screen, colors[i], (x1, y1), (x2, y2), 2)

主循環

我們在主循環中更新萬花筒圖案并展示：

num_segments = 12
radius = 300running = True
while running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falsescreen.fill((0, 0, 0))draw_kaleidoscope(screen, num_segments, radius)pygame.display.flip()clock.tick(30)pygame.quit()

完整代碼

import pygame
import math
import random# 初始化Pygame
pygame.init()
screen = pygame.display.set_mode((800, 800))
pygame.display.set_caption("萬花筒效果")
clock = pygame.time.Clock()# 繪制萬花筒圖案的函數
def draw_kaleidoscope(screen, num_segments, radius):center_x, center_y = screen.get_width() // 2, screen.get_height() // 2angle_step = 2 * math.pi / num_segmentscolors = [(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)) for _ in range(num_segments)]for i in range(num_segments):angle = i * angle_stepx = center_x + int(radius * math.cos(angle))y = center_y + int(radius * math.sin(angle))pygame.draw.line(screen, colors[i], (center_x, center_y), (x, y), 2)for j in range(1, radius // 10):x1 = center_x + int((radius - j * 10) * math.cos(angle))y1 = center_y + int((radius - j * 10) * math.sin(angle))x2 = center_x + int((radius - j * 10) * math.cos(angle + angle_step))y2 = center_y + int((radius - j * 10) * math.sin(angle + angle_step))pygame.draw.line(screen, colors[i], (x1, y1), (x2, y2), 2)# 主循環
num_segments = 12
radius = 300running = True
while running:for event in pygame.event.get():if event.type == pygame.QUIT:running = Falsescreen.fill((0, 0, 0))draw_kaleidoscope(screen, num_segments, radius)pygame.display.flip()clock.tick(30)pygame.quit()