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import randomfrom math import sin, cos, pi, logfrom tkinter import *CANVAS_WIDTH = 840   #画布的宽CANVAS_HEIGHT = 680  #画布的高CANVAS_CENTER_X = CANVAS_WIDTH / 2  #画布中心的X轴坐标CANVAS_CENTER_Y = CANVAS_HEIGHT / 2  #画布中心的Y轴坐标IMAGE_ENLARGE = 11  #放大比例HEART_COLOR = "#EEAEEE" #引号内修改颜色！def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):    """爱心函数生成器"""    #:param shrink_ratio:放大比例    #:param t:参数    #:return:坐标    #基础函数    x = 17 * (sin(t) ** 3)    y = -(16 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(3 * t))    #放大    x *= IMAGE_ENLARGE    y *= IMAGE_ENLARGE    #移到画布中央    x += CANVAS_CENTER_X    y += CANVAS_CENTER_Y    return 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()        self.edge_diffusion_points = set()        self.center_diffusion_points = set()        self.all_points = {}        self.build(2000)        self.random_halo = 1000        self.generate_frame = generate_frame        for 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))        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))        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))    @staticmethod    def calc_position(x, y, ratio):        force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.420)        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 - dy    def 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 = []        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))        for x,y in self.points:            x,y = self.calc_position(x,y,ratio)            size = 1            all_points.append((x,y,size))        for x,y in self.edge_diffusion_points:            x,y = self.calc_position(x,y,ratio)            size = 2            all_points.append((x,y,size))        for x,y in self.center_diffusion_points:            x,y = self.calc_position(x,y,ratio)            size = 1            all_points.append((x,y,size))        self.all_points[generate_frame] = all_points    def 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("Heart")    canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH)    canvas.pack()    heart = Heart()    draw(root, canvas, heart)    root.mainloop()