今天给大家分享一个使用Pycharm画个Python跳动的爱心代码，用Python的Tkinter库绘制跳动爱心的程序，通过`draw`函数不停地在画布上绘制出变化的爱心,实现了动态爱心的效果。
效果如下：
全部代码如下：
import tkinter as tk
import tkinter.messagebox
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 = "pink" # 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 = 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 - 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 - dy
def 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_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=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_ratio
y *= shrink_ratio
x += heartx
y += hearty
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 - heartx)
dy = ratio_y * (y - hearty)
return x - dx, y - dy
def 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 - dy
def 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) // 2
y = (screenheight - height) // 2 - 66
root.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="I Love You!", 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 = 300
heights = 100
x = (screenwidth - widths) / 2
y = (screenheight - heights) / 2 - 66
root.geometry('%dx%d+%d+%d' % (widths, heights, x, y)) # 设置在屏幕中居中显示
tk.Label(root, text='亲爱的，做我女朋友好吗？', width=37, font=('宋体', 12)).place(x=0, y=10)
def OK(): # 同意按钮
root.destroy()
love() # 同意后显示动态爱心
def NO(): # 拒绝按钮，拒绝不会退出，必须同意才可以退出哦~
tk.messagebox.showwarning('❤', '再给你一次机会！')
def closeWindow():
tk.messagebox.showwarning('❤', '逃避是没有用的哦')
tk.Button(root, text='好哦', width=5, height=1, command=OK).place(x=80, y=50)
tk.Button(root, text='不要', width=5, height=1, command=NO).place(x=160, y=50)
root.protocol('WM_DELETE_WINDOW', closeWindow) # 绑定退出事件
root.mainloop()