七夕快乐(玫瑰与跳动的爱心)

一、对你的爱永不凋零

温柔的玫瑰赠与浪漫深情的你

import numpy as np
import matplotlib.pyplot as plt
from matplotlib import cm
from mpl_toolkits.mplot3d import Axes3D
from matplotlib.font_manager import FontProperties
fig = plt.figure(figsize=(6,8))
ax = fig.gca(projection='3d')
elev = 22
azim = 2.5
ax.view_init(elev, azim) #改变绘制图像的视角,即相机的位置,azim沿着z轴旋转，elev沿着y轴
font_set = FontProperties(fname=r"C:\Windows\Fonts\simhei.TTF",size=20)
# ax.text(1, -1.4, 0, '最温柔的花送最“娇羞”的你~', fontproperties=font_set)
ax.text(1, -1.0, 0, '给你的专属浪漫,LOVE U', fontproperties=font_set)
[x, t] = np.meshgrid(np.array(range(30)) / 28.0, np.arange(0, 575.5, 0.5) / 575 * 17 * np.pi - 2 * np.pi)
p = (np.pi / 2) * np.exp(-t / (8 * np.pi))
u = 1 - (1 - np.mod(3.6 * t, 2 * np.pi) / np.pi) ** 4 / 2
y = 2 * (x ** 2 - x) ** 2 * np.sin(p)
r = u * (x * np.sin(p) + y * np.cos(p))
h = 4+u * (x * np.cos(p) - y * np.sin(p))*3
c= cm.get_cmap('Reds')
surf = ax.plot_surface(r * np.cos(t), r * np.sin(t), h, rstride=1, cstride=1, color='r', #cmap= c,可改变花朵颜色alpha=0.8, linewidth=0, antialiased=True) #rstride和cstride为横竖方向的绘图采样步长，越小绘图越精细。#花梗
u2 = np.linspace(0,2*np.pi,50)  # 把圆分按角度为50等分
h2 = np.linspace(0,4,20)        # 把高度1均分为20份， 玫瑰花梗高度范围
x2 = np.outer(0.05*np.sin(u2),np.ones(len(h2)))  # x值重复20次
y2 = np.outer(0.05*np.cos(u2),np.ones(len(h2)))  # y值重复20次
z2 = np.outer(np.ones(len(u2)),h2)   # x，y 对应的高度
pole = ax.plot_surface(x2, y2, z2, cmap=cm.get_cmap('summer') ) #cmap=cm.get_cmap('Greens'),cmap=cm.get_cmap('summer'),color='g'
plt.axis('off')
fig.savefig('redRose.png', transparent=True)
plt.show()

二、跳动的爱心

我的爱与你同频

import random
import tkinter as tk
from math import sin, cos, pi, log
from tkinter import *CANVAS_WIDTH = 640  # 宽
CANVAS_HEIGHT = 480  # 高
CANVAS_CENTER_X = CANVAS_WIDTH / 2
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2
IMAGE_ENLARGE = 11  # 放大比例
HEART_COLOR = "#ff1943"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 = 16 * (sin(t) ** 3)y = -(13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t))# 放大x *= shrink_ratioy *= shrink_ratio# 移到画布中央x += CANVAS_CENTER_Xy += CANVAS_CENTER_Yreturn 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 - dydef 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)dx = ratio * force * (x - CANVAS_CENTER_X)dy = ratio * force * (y - CANVAS_CENTER_Y)return x - dx, y - dydef curve(p):"""自定义曲线函数，调整跳动周期:param p: 参数:return: 正弦"""return 2 * (2 * sin(4 * p)) / (2 * pi)class Heart:"""爱心类"""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)  # 随机不到的地方造成爱心有缺口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))@staticmethoddef calc_position(x, y, ratio):# 调整缩放比例force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.520)  # 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 - 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 = []# 光环heart_halo_point = set()  # 光环的点坐标集合for _ in range(halo_number):t = 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=11.6)  # 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(-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))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=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()  # 一个Tk# text = Text(root, height=2, width=30)# text.insert(END, "万物皆有裂痕\n那是光照进来的地方")## lab = tk.Label(root, text='hello java!')## lab.config(fg="red")## lab.pack(side=tk.LEFT)canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH)canvas.pack()heart = Heart()  # 心draw(root, canvas, heart)root.mainloop()

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