# A program to roll a pair of dice
# Author: Nicholas Coleman
# Rolls a randomly chosen pair of dice each time it is run.

from turtle import *
from random import randrange

def main():
    # pick two random numbers between 1 and 6
    dieFace1 = randrange(1, 7)
    dieFace2 = randrange(1, 7)

    # draw the dice
    drawDie(-150, 0, 100, dieFace1)
    drawDie(50, 0, 100, dieFace2)
    hideturtle()

    # wait for user to click on window
    exitonclick()

def drawSquare(xPos, yPos, size):
    # get to the right location
    penup()
    goto(xPos, yPos)
    setheading(0)

    # draw the square
    pendown()
    for i in range(4):
        forward(size)
        left(90)

def drawDot(xPos, yPos, size):
    # get to the right location
    penup()
    goto(xPos, yPos)

    # draw the dot
    pendown()
    dot(size)

def drawDie(xPos, yPos, size, faceNum):
    dotSize = size / 7
    xPos1 = xPos + size / 4
    xPos2 = xPos + size / 2
    xPos3 = xPos + 3 * size / 4
    yPos1 = yPos + size / 4
    yPos2 = yPos + size / 2
    yPos3 = yPos + 3 * size / 4

    # draw the square
    drawSquare(xPos, yPos, size)

    # If the face number is 1, 3, or 5, draw the middle dot
    if faceNum % 2 == 1:
        drawDot(xPos2, yPos2, dotSize)

    # If the face number is not 2, 3, 4, 5, or 6, draw the upper-right
    # and lower-left dots
    if faceNum > 1:
        drawDot(xPos1, yPos1, dotSize)
        drawDot(xPos3, yPos3, dotSize)

    # If the face number is 4, 5, or 6, draw the upper-left and
    # lower-right dots
    if faceNum >= 4:
        drawDot(xPos1, yPos3, dotSize)
        drawDot(xPos3, yPos1, dotSize)

    # If the face number is 6 draw the middle-left and middle-right dots
    if faceNum == 6:
        drawDot(xPos1, yPos2, dotSize)
        drawDot(xPos3, yPos2, dotSize)

main()