'''graphics2.py

   Jed Yang, 2016-10-02

   Adapted to Python 3 from a program written by Jeff Ondich

   Started in Pascal by Jeff Ondich on 1/25/95
   Ported to C++, Java, and Python
   Last modified 1/19/07
   
   1. Try it.

   2. Identify which corner of the polygon has which coordinates
      as listed in the source code.

   3. Redesign the polygon to be a triangle or a rectangle.
      Can you do a regular hexagon?

   4. What is the default background color of a GraphWin object?
'''

from graphics import *

window = GraphWin('Polygon demo', 600, 500)

polygon = Polygon(Point(200, 100),
                  Point(400, 100),
                  Point(500, 200),
                  Point(400, 300),
                  Point(200, 200))

polygonColor = color_rgb(255, 0, 0)
polygon.setOutline(polygonColor)
# Some come colours have pre-defined names so you don't have to mix RGB values
# with color_rgb().  But then you have less control over the resulting colour.
polygonFillColor = 'yellow'
polygon.setFill(polygonFillColor)
# What is the difference between .setOutline() and .setFill()?
polygon.draw(window)
# Can you .draw() first and then .setFill() later?


# Wait for user input.
print('Hit any key to quit')
keyResponse = window.getKey()
print('You hit', keyResponse)
# Which window needs input focus for this to work?  Why?
# Which keys work?