# -*- coding: utf-8 -*- # @Author?:yanghao # @Time??: 2022/11/9 12:07 # @Function: import random from math import sin, cos, pi, log from tkinter import * ? CANVAS_WIDTH = 640?# 畫布的寬 CANVAS_HEIGHT = 480?# 畫布的高 CANVAS_CENTER_X = CANVAS_WIDTH / 2?# 畫布中心的X軸坐標(biāo) CANVAS_CENTER_Y = CANVAS_HEIGHT / 2?# 畫布中心的Y軸坐標(biāo) IMAGE_ENLARGE = 11?# 放大比例 HEART_COLOR = "pink"?# 心的顏色 ? ? def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE): ??""" ??“愛心函數(shù)生成器” ??:param shrink_ratio: 放大比例 ??:param t: 參數(shù) ??:return: 坐標(biāo) ??""" ??# 基礎(chǔ)函數(shù) ??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 ? ??# 移到畫布中央 ??x += CANVAS_CENTER_X ??y += CANVAS_CENTER_Y ? ??return int(x), int(y) ? ? def scatter_inside(x, y, beta=0.15): ??""" ??隨機(jī)內(nèi)部擴(kuò)散 ??:param x: 原x ??:param y: 原y ??:param beta: 強(qiáng)度 ??:return: 新坐標(biāo) ??""" ??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): ??""" ??抖動(dòng) ??:param x: 原x ??:param y: 原y ??:param ratio: 比例 ??:return: 新坐標(biāo) ??""" ??force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.6)?# 這個(gè)參數(shù)... ??dx = ratio * force * (x - CANVAS_CENTER_X) ??dy = ratio * force * (y - CANVAS_CENTER_Y) ??return x - dx, y - dy ? ? def curve(p): ??""" ??自定義曲線函數(shù)，調(diào)整跳動(dòng)周期 ??:param p: 參數(shù) ??:return: 正弦 ??""" ??return 4 * (2 * sin(4 * p)) / (2 * pi) ? ? class Heart: ??""" ??愛心類 ??""" ? ??def __init__(self, generate_frame=20): ????self._points = set()?# 原始愛心坐標(biāo)集合 ????self._edge_diffusion_points = set()?# 邊緣擴(kuò)散效果點(diǎn)坐標(biāo)集合 ????self._center_diffusion_points = set()?# 中心擴(kuò)散效果點(diǎn)坐標(biāo)集合 ????self.all_points = {}?# 每幀動(dòng)態(tài)點(diǎn)坐標(biāo) ????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): ????# 愛心 ????for _ in range(number): ??????t = random.uniform(0, 2 * pi)?# 隨機(jī)不到的地方造成愛心有缺口 ??????x, y = heart_function(t) ??????self._points.add((x, y)) ? ????# 愛心內(nèi)擴(kuò)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)) ? ????# 愛心內(nèi)再次擴(kuò)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): ????# 調(diào)整縮放比例 ????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)?# 圓滑的周期的縮放比例 ? ????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 = [] ? ????# 光環(huán) ????heart_halo_point = set()?# 光環(huán)的點(diǎn)坐標(biāo)集合 ????for _ in range(halo_number): ??????t = random.uniform(0, 2 * pi)?# 隨機(jī)不到的地方造成愛心有缺口 ??????x, y = heart_function(t, shrink_ratio=11) ??????x, y = shrink(x, y, halo_radius) ??????if (x, y) not in heart_halo_point: ????????# 處理新的點(diǎn) ????????heart_halo_point.add((x, y)) ????????x += random.randint(-11, 11) ????????y += random.randint(-11, 11) ????????size = random.choice((1, 2, 2))#控制外圍粒子的大小 ????????all_points.append((x, y, size)) ? ????# 輪廓 ????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)) ? ????# 內(nèi)容 ????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()?# 一個(gè)Tk ??canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH) ??canvas.pack() ??heart = Heart()?# 心 ??draw(root, canvas, heart)?# 開始畫畫~ ??root.mainloop()