李峋爱心代码源码（Python）

import random from math import sin, cos, pi, log from tkinter import * CANVAS_WIDTH = 640 CANVAS_HEIGHT = 640 CANVAS_CENTER_X = CANVAS_WIDTH / 2 CANVAS_CENTER_Y = CANVAS_HEIGHT / 2 IMAGE_ENLARGE = 11 HEART_COLOR = "#Fd798f" # 粉：Fd798f def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE): # 爱心的宽度 x = 16 * (sin(t) ** 3) # 爱心的长度（高度，心头） y = -(15 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(3 * t)) # y =﹣(13* cos ( t )-5* cos (2* t ）-3* cos (3* t )- cos (4* t )) # 放大 x *= shrink_ratio # 收缩率 y *= shrink_ratio # 移到画布中央 x += CANVAS_CENTER_X y += CANVAS_CENTER_Y return int(x), int(y) # 散射＿侧面 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 # 收缩 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 # 曲线 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 self._center_diffusion_points = set() # 中心扩散效果 self.all_points = {} # 每帧动态点坐标 self.build(2000) # 随机光晕1000 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) # 0.2 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, 0.3) # 0.2 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, 0.2) # 0．2 self._center_diffusion_points.add((x, y)) @staticmethod # 计算位置 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(-2, 2) dy = ratio * force * (y - CANVAS_CENTER_Y) + random.randint(-2, 2) return x - dx, y - dy def calc(self, generate_frame): ratio = 15 * curve(generate_frame / 15 * pi) halo_radius = int(4 + 6 * (1 + curve(generate_frame / 15 * pi))) halo_number = int( 3000 + 4000 * abs(curve(generate_frame / 15 * 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=11.5) x, y = shrink(x, y, halo_radius) if (x, y) not in heart_halo_point: heart_halo_point.add((x, y)) x += random.randint(-16, 16) y += random.randint(-16, 16) # 点的太小 size = random.choice((2, 2, 1)) # 122 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, 2) 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("怦怦～是心动呀～") # 展示框的标题 canvas = Canvas(root, bg='black', height=CANVAS_HEIGHT, width=CANVAS_WIDTH) canvas.pack() heart = Heart() draw(root, canvas, heart) root.mainloop()