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大家最近有没有看点燃我,温暖你这部剧,陈飞宇扮演的天才编程少年李峋也太帅了吧,那我们就浅浅复刻一下低配版的爱心吧
效果展示如下
工具软件使用Pycharm运行
新建一个new file
love.py
- 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
- 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="送给xxx的爱心", bg="black", fg="#FF99CC", font="Helvetic 20 bold").place(
- relx=.5, rely=.5, anchor=CENTER)
- root.mainloop()
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