Python-表白小程序练习

测试代码

在结果导向的今天，切勿眼高于顶，不论用任何方法能转换、拿出实际成果东西才是关键，即使一个制作很简易的程序，你想将其最终生成可运行的版本也是需要下一番功夫的。不要努力成为一个嘴炮成功者,要努力成为一个有价值的人。

# encoding: utf-8
import random
import time
import tkinter as tk
from tkinter import messagebox #导入弹窗库
from math import sin, cos, pi, log,tan
from tkinter import *
############参数修改#####################
CANVAS_WIDTH = 640 # 画布的宽
CANVAS_HEIGHT = 480 # 画布的高
CANVAS_CENTER_X = CANVAS_WIDTH / 2 # 画布中心的X轴坐标
CANVAS_CENTER_Y = CANVAS_HEIGHT / 2 # 画布中心的Y轴坐标
IMAGE_ENLARGE = 11 # 放大比例
HEART_COLOR = "#e86184" # 心的颜色

WINDOWS_TITLE = 'I Love You' # 窗口标题
HEART_CENTER_TEXT = 'Lara' # 中间文字
HEART_CENTER_TEXT_COLOR = '#FFD700' # 中间文字颜色

#################爱心函数########################
def heart_function(t, shrink_ratio: float = IMAGE_ENLARGE):
# 基础函数
x = 14.6 * (sin(t) ** 3)
y = -(14.5 * cos(t) - 4 * cos(2 * t) - 2 * cos(3 * t) - 0.5 * 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)

#################爱心内部的扩散情况########################
#调整beta可以调整扩散情况
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

#################抖动情况########################
def shrink(x, y, ratio):
force = -1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.6) # 这个参数...
dx = ratio * force * (x - CANVAS_CENTER_X)
dy = ratio * force * (y - CANVAS_CENTER_Y)
return x - dx, y - dy

#################爱心跳动函数########################
# https://cubic-bezier.com/ 贝塞尔参数网站，参考值为： curve(p, (.4, .5, .2, .6))
def heart_curve(p):
return curve(p, (.4, .5, .2, .6)) # 爱心的贝塞尔曲线参数

#################光环跳动函数########################
# https://cubic-bezier.com/ 贝塞尔参数网站，参考值为： curve(p, (.73,.55,.59,.92))
def heart_halo_curve(p):
return curve(p, (.73,.55,.59,.92)) #光环的贝塞尔曲线参数

#################跳动模式的调整########################
def curve(p, b):
t = sin(p)

p0 = b[0]
p1 = b[1]
p2 = b[2]
p3 = b[3]

t1 = (1 - t)
t2 = t1 * t1
t3 = t2 * t1
# 贝塞尔模式
# r = p0 * t3 + 3 * p1 * t * t2 + 3 * p2 * t * t * t1 + p3 * (t ** 3)
# 三角函数模式
r = 2 * (2 * sin(4 * p)) / (2 * pi)
return r

#################创建一个心的类########################
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) # 初始的点数，不宜过大

self.generate_frame = generate_frame
for frame in range(generate_frame):
self.calc(frame)

def build(self, number):
# 爱心
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, 0.24) # 调整爱心的散点数量，参考值：0.24
self._center_diffusion_points.add((x, y))

@staticmethod
def calc_position(x, y, ratio):
# 调整缩放比例
force = 1 / (((x - CANVAS_CENTER_X) ** 2 + (y - CANVAS_CENTER_Y) ** 2) ** 0.47) # 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 - dy

def calc(self, generate_frame):
ratio = 10 * heart_curve(generate_frame / 10 * pi) # 圆滑的周期的缩放比例

halo_radius = int(4 + 6 * (1 + heart_halo_curve(generate_frame / 10 * pi)))
halo_number = int(3000 + 4000 * abs(heart_halo_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)
x, y = heart_function(t, shrink_ratio=heart_halo_curve(generate_frame / 10 * pi) + 11)
x, y = shrink(x, y, halo_radius)
if (x, y) not in heart_halo_point:
heart_halo_point.add((x, y))
random_int_range = int(27 + heart_halo_curve(generate_frame / 10 * pi) * 4)
x += random.randint(-random_int_range, random_int_range)
y += random.randint(-random_int_range, random_int_range)
size = random.choice((1, 1, 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_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 frame_count(self):
return self.generate_frame

#################绘制函数########################
def draw(main: Tk, render_canvas_dict: dict, render_heart: Heart, render_frame=0):
frame_index = render_frame % render_heart.frame_count()
last_frame_index = (frame_index + render_heart.frame_count() - 1) % render_heart.frame_count()
if last_frame_index in render_canvas_dict:
render_canvas_dict[last_frame_index].pack_forget()
if frame_index not in render_canvas_dict:

canvas = Canvas(
main,
bg='black', # 背景颜色
height=CANVAS_HEIGHT,
width=CANVAS_WIDTH
)
canvas.pack()

render_heart.render(canvas, render_frame)
canvas.create_text(
CANVAS_CENTER_X,
CANVAS_CENTER_Y,
text=HEART_CENTER_TEXT,
fill=HEART_CENTER_TEXT_COLOR,
font=('楷体', 48, 'bold') # 字体
)

render_canvas_dict[frame_index] = canvas
else:
render_canvas_dict[frame_index].pack()

main.after(
10, # 画面切换间隔时间
draw, main, render_canvas_dict, render_heart, render_frame + 1)

def dow():
window = tk.Tk()
width = window.winfo_screenwidth()
height = window.winfo_screenheight()
a = random.randrange(0, width)
b = random.randrange(0, height)
window.title('Hello')
window.geometry("200x50" + "+" + str(a) + "+" + str(b))
tk.Label(window,text='我永远爱你', bg='Red', font=('楷体', 17), width=15, height=2).pack()

answer="no"
if __name__ == '__main__':
start_time = time.time()
i = 1
while answer == "no": # while 循环，当answer值为no时就一直循环
# 调用方法弹出"提问弹窗",标题为"回答",问题为"你是不是猪?"，并判断此方法的返回值
if messagebox.askquestion("问题", "你爱我吗?") == "yes": # 如果返回值为"yes"
messagebox.showinfo("Me,too", "我也爱你。") # 就弹出"提示窗口"
answer = "yes" # 然后把answer的值改为yes，即结束循环(这里也可以直接用break)
else:
messagebox.showinfo("?", "你是傻瓜吗?,再给你1次机会。") # 就弹出"提示窗口"
i = i + 1
if i > 3:
i=i%3
messagebox.showinfo("桑心", "你失去我了，再见!")
time.sleep(5)
messagebox.showinfo("哈哈", "开玩笑的,这次不要再选错了。")
root = Tk() # 绘制Tk界面
root.title(WINDOWS_TITLE)
root.attributes("-topmost",1)
scrnW = root.winfo_screenwidth()
scrnH = root.winfo_screenheight()

width = root.winfo_width()
height = root.winfo_height() # 屏幕分辨率
left= (scrnW - width) / 2-320
top= (scrnH - height) / 2-240
root.geometry('+%d+%d' % (left, top)) # 居中
canvas_dict = {}
heart = Heart(40) # 40帧为最佳
draw(root, canvas_dict, heart) # 绘制
end_time = time.time()
root.mainloop()