# tk_dist_degrees.py

# tk_dist_degrees.py

import tkinter as tk
from PIL import Image, ImageTk, ImageDraw, ImageFont
import math
WW, HH = 640, 640
cx, cy = WW // 2, HH // 2
root = tk.Tk()
root.geometry('+0+0')
canvas = tk.Canvas(root, width=WW, height=HH)
canvas.pack()

current_mouse_x, current_mouse_y = cx, cy

def get_degrees(x, y):
    dx = x - cx
    dy = y - cy
    degrees = math.degrees(math.atan2(-dy, dx))
    if degrees < 0:
        degrees += 360
    return degrees

def get_distance_from_center(x, y):
    dx = x - cx
    dy = y - cy
    distance = math.sqrt(dx * dx + dy * dy)
    return distance

def on_drag(event):
    global current_mouse_x, current_mouse_y
    current_mouse_x, current_mouse_y = event.x, event.y

def on_motion(event):
    global current_mouse_x, current_mouse_y
    current_mouse_x, current_mouse_y = event.x, event.y

canvas.bind("<B1-Motion>", on_drag)
canvas.bind("<Motion>", on_motion)

while 1:
    canvas.delete('all')
    degrees = get_degrees(current_mouse_x, current_mouse_y)
    distance = get_distance_from_center(current_mouse_x, current_mouse_y)

    arm_angle = math.radians(degrees)
    arm_end_x = cx + distance * math.cos(arm_angle)
    arm_end_y = cy - distance * math.sin(arm_angle)  # negative because canvas y is flipped

    canvas.create_line(cx, cy, arm_end_x, arm_end_y, fill='blue', width=3)
    canvas.create_oval(cx-5, cy-5, cx+5, cy+5, fill='red', outline='red')  # center dot

    canvas.create_text((20, 20), text=f"{degrees:.0f}°", fill='red', anchor='nw')
    canvas.create_text((20, 40), text=f"Distance: {distance:.0f}", fill='green', anchor='nw')
    root.update()