超好看 python 爱心代码（附源码） 超好看 python 爱心代码（附源码）

直接上代码

import random
from math import sin, cos, pi, log
from tkinter import *
CANVAS_WIDTH = 640
CANVAS_HEIGHT = 480
CANVAS_CENTER_X = CANVAS_WIDTH / 2
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2
IMAGE_ENLARGE = 11
# 设置颜色
HEART_COLOR = "#FF99CC"
def center_window(root, width, height):
 screenwidth = root.winfo_screenwidth() # 获取显示屏宽度
 screenheight = root.winfo_screenheight() # 获取显示屏高度
 size = '%dx%d+%d+%d' % (width, height, (screenwidth - width) /
 2, (screenheight - height) / 2) # 设置窗口居中参数
 root.geometry(size) # 让窗口居中显示
def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):
 x = 16 * (sin(t) ** 3)
 y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))
 # 放大
 x *= shrink_ratio
 y *= shrink_ratio
 # 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):
 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() # 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))
 # 爱心内扩散
 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))
 # 爱心内再次扩散
 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 - CANVAS_CENTER_X) ** 2 +
 (y - CANVAS_CENTER_Y) ** 2) ** 0.520)
 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)
 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 = []
 # 光环
 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))
 # 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))
 self.all_points[generate_frame] = all_points
 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(160, draw, main, render_canvas, render_heart, render_frame + 1)
if __name__ == '__main__':
 root = Tk()
 root.title("爱心")
 center_window(root, CANVAS_WIDTH, CANVAS_HEIGHT) # 窗口居中显示
 canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH)
 canvas.pack()
 heart = Heart()
 draw(root, canvas, heart)
 Label(root, text="I love you", bg="black", fg="#FF99CC", font="Helvetic 20 bold").place(
 relx=.5, rely=.5, anchor=CENTER)
 root.mainloop()