from tkinter import *

from SolarEarth.Earth import Earth

import time

def btn_reaction():

time.sleep(0.1)

def btn_reset():

global earth

del earth

earth = Earth(canvas, sun, [float(vx.get()), float(vy.get())])

root = Tk()

root.title('Solar System')

frm_L = Frame(root)

canvas = Canvas(frm_L, width=800, height=600)

canvas.pack()

frm_L.pack(side=LEFT)

frm_R = Frame(root, bd=2, relief=SUNKEN)

Label(frm_R, text='Initial speed:').pack(pady=5, anchor='w')

frm_R1 = Frame(frm_R)

Label(frm_R1, text='Vx:').pack(side=LEFT)

vx = StringVar()

Entry(frm_R1, textvariable=vx).pack()

frm_R1.pack()

frm_R2 = Frame(frm_R)

Label(frm_R2, text='Vy:').pack(side=LEFT)

vy = StringVar()

Entry(frm_R2, textvariable=vy).pack(side=LEFT)

frm_R2.pack()

Label(frm_R, text='Earth Coordinates:').pack(pady=5, anchor='w')

pos_text = StringVar()

Label(frm_R, textvariable=pos_text).pack(pady=5, anchor='w')

btn_text = StringVar()

Button(frm_R, textvariable=btn_text, command=btn_reaction).pack(pady=15, side=BOTTOM)

Button(frm_R, text='Reset', command=lambda: btn_reset()).pack()

frm_R.pack(side=RIGHT)

root.update()

sun = canvas.create_oval(canvas.winfo_width() / 2 - 10, canvas.winfo_height() / 2 - 10,

canvas.winfo_width() / 2 + 10, canvas.winfo_height() / 2 + 10,

fill='red')

vx.set('-1')

vy.set('0')

earth = Earth(canvas, sun, [float(vx.get()), float(vy.get())])

pos_text.set('X:{0:9.1f}, Y:{1:9.1f}'.format(earth[0], earth[1]))

btn_text.set('Run')

root.mainloop()