绘制一颗会跳动的心❤ 嘿嘿
可以说是程序员的专属浪漫了吧，就像点燃一颗LED灯一样？（我瞎说的啊，大家别当真，我很菜的！！！！）
程序就在下面啦，然后我加了一些动态，会有点神秘感，有点缓冲
👇👇👇👇👇👇👇👇👇
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"
class Heart:
def __init__(self, generate_frame=40):
self._points = []
self._edge_diffusion_points = set()
self._center_diffusion_points = set()
self.all_points = []
self.generate_frame = generate_frame
self.build(2000)
self.calc_all()
def build(self, number):
for _ in range(number):
t = random.uniform(0, 2 * pi)
x, y = heart_function(t)
self._points.append((x, y))
self._edge_diffusion_points.add((x, y))
for _x, _y in list(self._points):
for _ in range(3):
x, y = scatter_inside(_x, _y, 0.3)
self._edge_diffusion_points.add((x, y))
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))
def calc_all(self):
for frame in range(self.generate_frame):
self.calc(frame)
@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)))
all_points = []
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))
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))
for x, y in self._edge_diffusion_points:
x, y = self.calc_position(x, y, ratio)
size = random.randint(1, 3)
all_points.append((x, y, size))
self.all_points.append(all_points)
for x, y in self._center_diffusion_points:
x, y = self.calc_position(x, y, ratio)
size = random.randint(1, 3)
all_points.append((x, y, size))
self.all_points.append(all_points)
def render(self, render_canvas, render_frame, display_points, final_look=False):
points_to_display = self.all_points[render_frame % self.generate_frame][:display_points]
for x, y, size in points_to_display:
if final_look:
render_canvas.create_oval(x, y, x + size, y + size, width=0, fill=HEART_COLOR, outline='')
else:
render_canvas.create_oval(x, y, x + size, y + size, width=0, fill=HEART_COLOR, outline='')
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))
x *= shrink_ratio
y *= shrink_ratio
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)
def draw_text(canvas, text, font_size, color, x, y):
canvas.create_text(x, y, text=text, font=("Helvetica", font_size), fill=color)
def show_message(canvas, message, next_step, delay=2000):
canvas.delete("all")
draw_text(canvas, message, 20, "white", Canvas_CENTER_X, Canvas_CENTER_Y)
canvas.after(delay, next_step)
def countdown(canvas, count):
if count > 0:
canvas.delete("all")
draw_text(canvas, f"{count}", 40, "white", Canvas_CENTER_X, Canvas_CENTER_Y)
canvas.after(1000, countdown, canvas, count - 1)
else:
canvas.delete("all")
canvas.after(100, start_animation, canvas)
def start_animation(canvas):
heart = Heart()
animate_heart(canvas, heart)
def animate_heart(canvas, render_heart, render_frame=0, display_points=0, final_look=False):
canvas.delete("all")
render_heart.render(canvas, render_frame, display_points, final_look)
# draw_text(canvas, "520快乐", 20, "white", Canvas_CENTER_X, Canvas_CENTER_Y + 200)
if not final_look:
if display_points < len(render_heart.all_points[render_frame % render_heart.generate_frame]):
display_points += 10 # Increase the number of displayed points
else:
final_look = True # Switch to the final look
canvas.after(20, animate_heart, canvas, render_heart, render_frame + 1, display_points, final_look)
def prepare_start(canvas):
show_message(canvas, "小吕同学专属浪漫❤", lambda: show_message(canvas, "准备好了吗？", lambda: show_message(canvas, "要开始了！", lambda: countdown(canvas, 3))))
if __name__ == '__main__':
root = Tk()
root.title("心动")
canvas = Canvas(root, bg='black', height=Canvas_HEIGHT, width=Canvas_WIDTH)
canvas.pack()
prepare_start(canvas)
root.mainloop()
