# Anhalteweg

from tkinter import *

def trocken():
    v0 = float(entry1.get())
    tr = float(entry2.get())
    v0 = v0/3.6
    result= v0*tr + v0*v0/2/10
    result = round(result,2) 
    label4.config(text=str(result))

def nass():
    v0 = float(entry1.get())
    tr = float(entry2.get())
    v0 = v0/3.6
    result= v0*tr + v0*v0/2/7
    result = round(result,2) 
    label4.config(text=str(result))

def schnee():
    v0 = float(entry1.get())
    tr = float(entry2.get())
    v0 = v0/3.6
    result= v0*tr + v0*v0/2/2
    result = round(result,2)
    label4.config(text=str(result))

def eis():
    v0 = float(entry1.get())
    tr = float(entry2.get())
    v0 = v0/3.6
    result= v0*tr + v0*v0/2/0.5
    result = round(result,2) 
    label4.config(text=str(result))
    
fenster = Tk()
fenster.title('Anhalteweg')
fenster.geometry('600x400')
fenster.resizable(0,0)

label1 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Geschwindigkeit (in km/h)',
              font=("Arial", 14))
label1.place(x=10, y=10, width=230, height=50)

label2 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Reaktionszeit (in sec)',
              font=("Arial", 14))
label2.place(x=250, y=10, width=230, height=50)

label3 = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Anhalteweg (in m)',
              font=("Arial", 14))
label3.place(x=10, y=280, width=230, height=50)

label4 = Label(master=fenster,
              bg='lightblue',
              fg='black',
              text='',
              font=("Arial", 20))
label4.place(x=10, y=340, width=230, height=50)

label = Label(master=fenster,
              bg='lightgrey',
              fg='purple',
              text='Fahrbahnzustand',
              font=("Arial", 14))
label.place(x=10, y=140, width=470, height=50)


entry1 = Entry(master=fenster, bg='orange', font=("Arial", 20))
entry1.place(x=10, y=70, width=230, height=50)

entry2 = Entry(master=fenster, bg='orange', font=("Arial", 20))
entry2.place(x=250, y=70, width=230, height=50)


button = Button(master=fenster, bg='green', text='trocken',
                font=("Arial", 14), command = trocken)
button.place(x=10, y=200, width=110, height=50)

button = Button(master=fenster, bg='green', text='nass',
                font=("Arial", 14), command = nass)
button.place(x=130, y=200, width=110, height=50)

button = Button(master=fenster, bg='green', text='schnee',
                font=("Arial", 14), command = schnee)
button.place(x=250, y=200, width=110, height=50)

button = Button(master=fenster, bg='green', text='eis',
                font=("Arial", 14), command = eis)
button.place(x=370, y=200, width=110, height=50)