使用Python画一个蓝色的动感爱心
完整代码：
import tkinter as tk
import random
from math import sin, cos, pi, log
from tkinter.constants import *width = 888
height = 500
heartx = width / 2
hearty = height / 2
side = 11
heartcolor = "blue" # 爱心颜色，可修改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))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))@staticmethoddef calc_position(x, y, ratio):force = 1 / (((x - heartx) ** 2 + (y - hearty) ** 2) ** 0.520) # 魔法参数dx = ratio * force * (x - heartx) + random.randint(-1, 1)dy = ratio * force * (y - hearty) + random.randint(-1, 1)return x - dx, y - dydef calc(self, generate_frame):ratio = 10 * 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 = []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 = random.randint(1, 3)all_points.append((x, y, size))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_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=heartcolor)def heart_function(t, shrink_ratio: float = side):x = 16 * (sin(t) ** 3)y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))x *= shrink_ratioy *= shrink_ratiox += heartxy += heartyreturn 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 - heartx)dy = ratio_y * (y - hearty)return x - dx, y - dydef shrink(x, y, ratio):force = -1 / (((x - heartx) ** 2 + (y - hearty) ** 2) ** 0.6)dx = ratio * force * (x - heartx)dy = ratio * force * (y - hearty)return x - dx, y - dydef curve(p):return 2 * (2 * sin(4 * p)) / (2 * pi)def draw(main: tk.Tk, render_canvas: tk.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)def love():root = tk.Tk()screenwidth = root.winfo_screenwidth()screenheight = root.winfo_screenheight()x = (screenwidth - width) // 2y = (screenheight - height) // 2 - 66root.geometry("%dx%d+%d+%d" % (width, height, x, y))root.title("❤")canvas = tk.Canvas(root, bg='black', height=height, width=width)canvas.pack()heart = Heart()draw(root, canvas, heart)tk.Label(root, text="", bg="black", fg="#FF99CC", font="Helvetic 25 bold").place(relx=.5, rely=.5,anchor=CENTER)root.mainloop()if __name__ == '__main__':root = tk.Tk()root.title('❤')root.resizable(0, 0)root.wm_attributes("-toolwindow", 1)screenwidth = root.winfo_screenwidth()screenheight = root.winfo_screenheight()widths = 300heights = 100x = (screenwidth - widths) / 2y = (screenheight - heights) / 2 - 66root.destroy()love() # 显示动态爱心效果图：
