# tk_spiral_xmas_tree.py

# tk_spiral_xmas_tree.py

import tkinter as tk
import random
import math

sz = 600

root = tk.Tk()
root.geometry(f'{sz}x{sz}+0+0')
canvas = tk.Canvas(root, width=sz, height=sz, bg='black')
canvas.pack()

x0, y0 = sz/2, 80
points = []
for i in range(int(sz*0.78)):
    t = i / 5
    x = x0 + t * math.cos(t) * 2.5
    y = y0 - t * (math.sin(t) * 0.25 - 5)
    points.append((x, y))

for i in range(1, len(points)):
    canvas.create_line(points[i-1][0], points[i-1][1], points[i][0], points[i][1], fill='#00ff37', width=1)

y0 = 50
star_points = []
for i in range(5):
    angle = math.pi/2 + i * 4*math.pi/5
    outer_x = x0 + 40 * math.cos(angle)
    outer_y = y0 - 40 * math.sin(angle)
    inner_angle = angle + 2*math.pi/10
    inner_x = x0 + 16 * math.cos(inner_angle)
    inner_y = y0 - 16 * math.sin(inner_angle)
    star_points.extend([outer_x, outer_y, inner_x, inner_y])
canvas.create_polygon(star_points, fill='yellow', outline='yellow')

r = 7
def on_click(event):
    x, y = event.x, event.y
    color = f'#{random.randint(0,255):02x}{random.randint(0,255):02x}{random.randint(0,255):02x}'
    canvas.create_oval(x-r, y-r, x+r, y+r, fill=color, outline=color)

canvas.bind('<Button-1>', on_click)
root.mainloop()