# tk_euclidean_distance_dict.py

# tk_euclidean_distance_dict.py

import tkinter as tk

dist_dict = {}
dist_threshold = 50
def create_dist_dict():
    def p2():
        # point B on canvas
        for y in range(-dist_threshold, dist_threshold + 1):
            for x in range(0, dist_threshold + 1):
                distance = ((x - i) ** 2 + (y - j) ** 2) ** 0.5
                if distance <= dist_threshold:
                    d = round(distance, 6)
                    dist_dict[(x - i), (y - j)] = d
                else:
                    break

    # point A on canvas
    for i in range(0, dist_threshold+1):
        for j in range(0, dist_threshold+1):
            p2()

def canvas_click(event):
    # Get the clicked coordinates and check if within the threshold
    x, y = event.x, event.y
    try:
        d = dist_dict[(125 - x),(125 - y)]
        print(f" X:{x}, Y:{y} \t is within the distance threshold at {d}")
    except:
        print(f"X:{x}, Y:{y}")

def mouse_move(event):
    # Get the clicked coordinates and check if they are within the threshold
    x, y = event.x, event.y
    try:
        d = dist_dict[(125 - x),(125 - y)]
        canvas.itemconfig(circle, fill='lime')
    except:
        canvas.itemconfig(circle, fill='red')
    canvas.update()

# Create the tkinter window and canvas
root = tk.Tk()
canvas = tk.Canvas(root, width=250, height=250)
canvas.pack()

# Draw the threshold circle
circle = canvas.create_oval(125-dist_threshold, 125-dist_threshold, 125+dist_threshold, 125+dist_threshold, fill='red')

# Generate the distance dictionary
create_dist_dict()

# Bind mouse clicks on the canvas to the canvas_click function
canvas.bind("<Button-1>", canvas_click)
canvas.bind("<Motion>", mouse_move)

root.mainloop()