DieView is a widget that displays a graphical representation of a standard six-sided die.

dieview.py

# dieview.py
from graphics import *
class DieView:
    """ DieView is a widget that displays a graphical representation
    of a standard six-sided die."""
    
    def __init__(self, win, center, size):
        """Create a view of a die, e.g.:
           d1 = GDie(myWin, Point(40,50), 20)
        creates a die centered at (40,50) having sides
        of length 20."""

        # first define some standard values
        self.win = win            # save this for drawing pips later
        self.background = "white" # color of die face
        self.foreground = "black" # color of the pips
        self.psize = 0.1 * size   # radius of each pip
        hsize = size / 2.0        # half the size of the die
        offset = 0.6 * hsize      # distance from center to outer pips

        # create a square for the face
        cx, cy = center.getX(), center.getY()
        p1 = Point(cx-hsize, cy-hsize)
        p2 = Point(cx+hsize, cy+hsize)
        rect = Rectangle(p1,p2)
        rect.draw(win)
        rect.setFill(self.background)

        # Create 7 circles for standard pip locations
        self.pip1 = self.__makePip(cx-offset, cy-offset)
        self.pip2 = self.__makePip(cx-offset, cy)
        self.pip3 = self.__makePip(cx-offset, cy+offset)
        self.pip4 = self.__makePip(cx, cy)
        self.pip5 = self.__makePip(cx+offset, cy-offset)
        self.pip6 = self.__makePip(cx+offset, cy)
        self.pip7 = self.__makePip(cx+offset, cy+offset)
        
        # Draw an initial value
        self.setValue(1)

    def __makePip(self, x, y):
        "Internal helper method to draw a pip at (x,y)"
        pip = Circle(Point(x,y), self.psize)
        pip.setFill(self.background)
        pip.setOutline(self.background)
        pip.draw(self.win)
        return pip

    def setValue(self, value):
        "Set this die to display value."
        # turn all pips off
        self.pip1.setFill(self.background)
        self.pip2.setFill(self.background)
        self.pip3.setFill(self.background)
        self.pip4.setFill(self.background)
        self.pip5.setFill(self.background)
        self.pip6.setFill(self.background)
        self.pip7.setFill(self.background)

        # turn correct pips on
        if value == 1:
            self.pip4.setFill(self.foreground)
        elif value == 2:
            self.pip1.setFill(self.foreground)
            self.pip7.setFill(self.foreground)
        elif value == 3:
            self.pip1.setFill(self.foreground)
            self.pip7.setFill(self.foreground)        
            self.pip4.setFill(self.foreground)
        elif value == 4:
            self.pip1.setFill(self.foreground)
            self.pip3.setFill(self.foreground)
            self.pip5.setFill(self.foreground)
            self.pip7.setFill(self.foreground)
        elif value == 5:
            self.pip1.setFill(self.foreground)
            self.pip3.setFill(self.foreground)
            self.pip4.setFill(self.foreground)
            self.pip5.setFill(self.foreground)
            self.pip7.setFill(self.foreground)
        else:
            self.pip1.setFill(self.foreground)
            self.pip2.setFill(self.foreground)
            self.pip3.setFill(self.foreground)
            self.pip5.setFill(self.foreground)
            self.pip6.setFill(self.foreground)
            self.pip7.setFill(self.foreground)