[python]------李峋爱心代码+背景音乐
目录
1.前期准备
2.代码内容
3.效果展示
1.前期准备
1.1，因为需要有背景音乐，所以需要准备好背景音乐，这里选择告白气球。
注意，最好将背景音乐和.py文件放在同一个文件夹下。
1.2,使用的工具是pycharm,所以需要配置Python的环境变量，安装pycharm。
1.3，这里使用到了2个第三方库，tkinter和pygame。使用pip install进行安装。
点击pycharm下面的Terminal.
然后输入pip install tkinter,回车之后就等待安装完成，之后再pip install pygame。
2.代码内容
import random
from math import sin, cos, pi, log
from tkinter import *
import pygame.mixerCANVAS_WIDTH = 640
CANVAS_HEIGHT = 480
CANVAS_CENTER_X = CANVAS_WIDTH / 2
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2
IMAGE_ENLARGE = 11
HEART_COLOR = "#FF99CC"def center_window(root, width, height):screenwidth = root.winfo_screenwidth() # 获取显示屏宽度screenheight = root.winfo_screenheight() # 获取显示屏高度size = '%dx%d+%d+%d' % (width, height, (screenwidth - width) /2, (screenheight - height) / 2) # 设置窗口居中参数root.geometry(size) # 让窗口居中显示def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):x = 16 * (sin(t) ** 3)y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))# 放大x *= shrink_ratioy *= shrink_ratio# 移到画布中央x += CANVAS_CENTER_Xy += CANVAS_CENTER_Yreturn int(x), int(y)def scatter_inside(x, y, beta=0.15):ratio_x = - beta * log(random.random())ratio_y = - beta * log(random.random())dx = ratio_x * (x - CANVAS_CENTER_X)dy = ratio_y * (y - CANVAS_CENTER_Y)return x - dx, y - dydef shrink(x, y, ratio):force = -1 / (((x - CANVAS_CENTER_X) ** 2 +(y - CANVAS_CENTER_Y) ** 2) ** 0.6)dx = ratio * force * (x - CANVAS_CENTER_X)dy = ratio * force * (y - CANVAS_CENTER_Y)return x - dx, y - dydef curve(p):return 2 * (2 * sin(4 * p)) / (2 * pi)class Heart:def __init__(self, generate_frame=20):self._points = set() # 原始爱心坐标集合self._edge_diffusion_points = set() # 边缘扩散效果点坐标集合self._center_diffusion_points = set() # 中心扩散效果点坐标集合self.all_points = {} # 每帧动态点坐标self.build(2000)self.random_halo = 1000self.generate_frame = generate_framefor frame in range(generate_frame):self.calc(frame)def build(self, number):for _ in range(number):t = random.uniform(0, 2 * pi)x, y = heart_function(t)self._points.add((x, y))# 爱心内扩散for _x, _y in list(self._points):for _ in range(3):x, y = scatter_inside(_x, _y, 0.05)self._edge_diffusion_points.add((x, y))# 爱心内再次扩散point_list = list(self._points)for _ in range(4000):x, y = random.choice(point_list)x, y = scatter_inside(x, y, 0.17)self._center_diffusion_points.add((x, y))@staticmethoddef calc_position(x, y, ratio):force = 1 / (((x - CANVAS_CENTER_X) ** 2 +(y - CANVAS_CENTER_Y) ** 2) ** 0.520)dx = ratio * force * (x - CANVAS_CENTER_X) + random.randint(-1, 1)dy = ratio * force * (y - CANVAS_CENTER_Y) + random.randint(-1, 1)return x - dx, y - dydef calc(self, generate_frame):ratio = 10 * curve(generate_frame / 10 * pi)halo_radius = int(4 + 6 * (1 + curve(generate_frame / 10 * pi)))halo_number = int(3000 + 4000 * abs(curve(generate_frame / 10 * pi) ** 2))all_points = []# 光环heart_halo_point = set()for _ in range(halo_number):t = random.uniform(0, 2 * pi)x, y = heart_function(t, shrink_ratio=11.6)x, y = shrink(x, y, halo_radius)if (x, y) not in heart_halo_point:heart_halo_point.add((x, y))x += random.randint(-14, 14)y += random.randint(-14, 14)size = random.choice((1, 2, 2))all_points.append((x, y, size))# 轮廓for x, y in self._points:x, y = self.calc_position(x, y, ratio)size = random.randint(1, 3)all_points.append((x, y, size))# 内容for x, y in self._edge_diffusion_points:x, y = self.calc_position(x, y, ratio)size = random.randint(1, 2)all_points.append((x, y, size))self.all_points[generate_frame] = all_pointsfor x, y in self._center_diffusion_points:x, y = self.calc_position(x, y, ratio)size = random.randint(1, 2)all_points.append((x, y, size))self.all_points[generate_frame] = all_pointsdef render(self, render_canvas, render_frame):for x, y, size in self.all_points[render_frame % self.generate_frame]:render_canvas.create_rectangle(x, y, x + size, y + size, width=0, fill=HEART_COLOR)def draw(main: Tk, render_canvas: Canvas, render_heart: Heart, render_frame=0):render_canvas.delete('all')render_heart.render(render_canvas, render_frame)main.after(160, draw, main, render_canvas, render_heart, render_frame + 1)if __name__ == '__main__':root = Tk()root.title("爱心")center_window(root, CANVAS_WIDTH, CANVAS_HEIGHT) # 窗口居中显示canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH)canvas.pack()heart = Heart()draw(root, canvas, heart)# 初始化音频pygame.mixer.init()pygame.mixer.music.load("告白气球.mp3") # 加载音乐文件pygame.mixer.music.set_volume(0.5) # 设置音量（0.0-1.0）pygame.mixer.music.play(-1, start=42) # 从第是四十二秒开始循环播放Label(root, text="你想要替换的文字", bg="black", fg="#FF99CC", font="Helvetic 20 bold").place(relx=.5, rely=.5, anchor=CENTER)root.mainloop()
在 if __name__ == '__main__':后，可以替换自己想要的文字，修改音乐，音乐的播放片段，是否重复播放。
3.效果展示
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