import random from math import sin, cos, pi, log from 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 = "aquamarine" #引号内修改颜色！颜色代码放在文章末尾 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 *=
shrink_ratio #y *= shrink_ratio 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): """ 随机内部扩散 :param x: 原x :param y: 原y :param beta: 强度 :return: 新坐标
""" 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 - dy def shrink(x, y, ratio): """ 抖动 :param x: 原x :param y: 原y
:param ratio: 比例 :return: 新坐标""" 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): """ 自定义曲线函数，调整跳动周期 :param p: 参数 :return: 正弦 """ #

""" 爱心类 """ def __init__(self, generate_frame=20): self._points = set() #

self._center_diffusion_points= set() # 中心扩散效果点坐标集合 self.all_points = {} #

generate_framefor frame in range(generate_frame): self.calc(frame) def build(
self, number): # 爱心 for _ in range(number): t = random.uniform(0, 2 * pi) #

_x, _yin 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(10000): x, y = random.choice(point_list) x, y =
scatter_inside(x, y, 0.27) self._center_diffusion_points.add((x, y))
@staticmethod def calc_position(x, y, ratio): # 调整缩放比例 force = 1 / (((x -
CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.420) # 魔法参数 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 = 15 * curve(generate_frame / 10 * pi) # 圆滑的周期的缩放比例
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 = [] #

random.uniform(0, 2 * pi) # 随机不到的地方造成爱心有缺口 x, y = heart_function(t, shrink_ratio
=-15) # 魔法参数 x, y = shrink(x, y, halo_radius) if (x, y) not in heart_halo_point:
# 处理新的点 heart_halo_point.add((x, y)) x += random.randint(-60, 60) y +=
random.randint(-60, 60) size = random.choice((1, 1, 2)) all_points.append((x, y,
size)) all_points.append((x+20, y+20, size)) all_points.append((x-20, y -20,
size)) all_points.append((x+20, y - 20, size)) all_points.append((x - 20, y +20,
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)) 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 def render(self, render_canvas, render_frame): for
x, y, sizein 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(1, draw, main, render_canvas, render_heart,
render_frame +1) if __name__ == '__main__': root = Tk() canvas = Canvas(root, bg
='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH) canvas.pack() heart = Heart(
) draw(root, canvas, heart) root.mainloop()

GitHub

Gitee