用python中的tkinter库做跳动的紫色爱心

# Beating Heart
# default input
import random
from math import sin, cos, pi, log
from tkinter import *

CANVAS_WIDTH = 980 # 画布高度
CANVAS_HEIGHT = 720 # 画布宽度
CANVAS_CENTER_X = CANVAS_WIDTH / 2 # 画布中心点x轴坐标
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2 # 画布中心点x轴坐标
IMAGE_ENLARGE = 11 # 放大比例
# color list
HEART_COLOR_LIST = ["#e66771", "#be77fa", "#a478f3", "#8b78ea", "#7377e0",
"#4871c6", "#5c74d3", "#fa6ea9", "#dc6db1", "#ec2c2c",
"#e91e41", "#8b4593", "#2bd3ec", "#00be93", "#2bec62"]


def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):
    """
    生成爱心
    :param shrink_ratio: ratio
    :param t: parameter
    :return: x, y
    """
    # 基础爱心生成函数
    x = 16 * (sin(t) ** 3)
    y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))

    # zoom
    x *= shrink_ratio
    y *= shrink_ratio

    # center
    x += CANVAS_CENTER_X
    y += CANVAS_CENTER_Y

    return int(x), int(y)


def scatter_inside(x, y, beta=1.15):
    """
    random inner spreading
    :param x: orig x
    :param y: orig y
    :param beta: strength
    :return: new x, y
    """
    #以beta为粒子强度倍率，创建粒子效果
    ratio_x = - beta * log(random.random())
    ratio_y = - beta * log(random.random())
    #限定粒子效果区域
    dx = ratio_x * (x - CANVAS_CENTER_X)
    dy = ratio_y * (y - CANVAS_CENTER_Y)

    return x - dx, y - dy


def shrink(x, y, ratio):
    """
    shrink
    :param x: orig x
    :param y: orig y
    :param ratio: ratio
    :return: new x,y
    """
    force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.6) # 这个参数...
    dx = ratio * force * (x - CANVAS_CENTER_X)
    dy = ratio * force * (y - CANVAS_CENTER_Y)
    return x - dx, y - dy


def curve(p):
    """
    tune beating period
    :param p: parameter
    :return: sin
    """
    # alg
    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)
            #创建爱心效果整体点集合
    def build(self, number):
        # heart
        for _ in range(number):
            t = random.uniform(0, 2 * pi)
            x, y = heart_function(t)
            self._points.add((x, y))

    # inner heart 1
    #历遍效果中心点坐标集合，以爱心实际轮廓中心，使爱心向内扩散，每生成一次边缘效果，将效果点坐标加入列表
        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))

    # inner heart 2
    #生成中心扩散效果，并将效果中心点加入列表
        point_list = list(self._points)
        for _ in range(6000):
            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):
        # tune ratio
        force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.520) # alg

        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) # curve

        halo_radius = int(4 + 6 * (1 + curve(generate_frame / 10 * pi)))
        halo_number = int(3000 + 6000 * abs(curve(generate_frame / 10 * pi) ** 2))

        all_points = []

        # ring
        heart_halo_point = set() # x,y of ring pts

#创建爱心粒子效果层数和抖动效果
        for _ in range(halo_number):
                t = random.uniform(0, 2 * pi)
                x, y = heart_function(t, shrink_ratio=11.6) # alg
                x, y = shrink(x, y, halo_radius)
                if (x, y) not in heart_halo_point:
                # new pts
                    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))

            # content
            #历遍边缘效果点集合，加入画布显示点集合
        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))

    #历遍中心效果点集合，加入画布显示点集合
        for 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_points

##历遍爱心点集，对爱心点集填充颜色和定义大小
    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=random.choice(HEART_COLOR_LIST))


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(70, draw, main, render_canvas, render_heart, render_frame + 1)


if __name__ == '__main__':
    root = Tk() # Tk
    #画布创建
    canvas = Canvas(root, bg='black',height=CANVAS_HEIGHT, width=CANVAS_WIDTH)
    canvas.pack()
    # 爱心点集创建
    heart = Heart()
    #爱心生成
    draw(root, canvas, heart) # draw
    #生成并添加文字标签
    text1 = Label(root, text="By XXX", font=("Helvetica", 18), fg="#c12bec", bg="black")
    text1.place(x=650, y=500)
    text2 = Label(root, text="XXX", font=("Helvetica", 18), fg="#c12bec", bg="black")
    text2.place(x=460, y=350)
    root.mainloop()