Python会跳动的心

 

import random
from math import sin,cos,pi,log
from tkinter import *

CANVAS_WIDTH = 840
CANVAS_HEIGHT = 680
CANVAS_CENTER_X = CANVAS_WIDTH / 2
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2
IMAGE_ENLARGE = 11
HEART_COLOR = "BlueViolet"

def heart_function(t,shrink_ratio: float = IMAGE_ENLARGE):
    x =17 *(sin(t)** 3)
    y = -(16 * cos(t)- 5 * cos(2 * t) - 2 * cos(3 * t) - cos(3 * t))
    x*=IMAGE_ENLARGE
    y*=IMAGE_ENLARGE
    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 - dy

def 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 - dy

def 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 = 1009
        self.generate_frame = generate_frame
        for frame in range(generate_frame):
            self.calc(frame)
    def build(self,numble):
        for _ in range(numble):
            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(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):
        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 = 15 * curve(generate_frame / 10 * pi)
        halo_radius = int(4 + 6 * (1 + curve(generate_frame / 10 * pi)))
        halo_numble = int(3000 + 4000 * abs(curve(generate_frame / 10 * pi) ** 2))
        all_points = []

        heart_halo_point = set()
        for _ in range(halo_numble):
            t = random.uniform(0,2 * pi)
            x,y = heart_function(t,shrink_ratio=-15)
            x,y = shrink(x, y, halo_radius)
            if (x,Y) not in heart_halo_point:
                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))
        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=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()

 根据自己的需求可以进行修改