# ShowRect.py
""" Illustrates the procedure DrawRect.
"""

from simpleGraphics import *
from math import sqrt

# Create a figure with a plot window that displays
# the region -6<=x<=6, -6<=y<=6
MakeWindow(6, bgcolor=WHITE)
# Draw six nested squares.
DrawRect(0,0,9,9,color=MAGENTA,stroke=10)
DrawRect(0,0,7,7,color=CYAN,stroke=8)
DrawRect(0,0,5,5,color=YELLOW,stroke=6)
DrawRect(0,0,3,3,color=PURPLE,stroke=4)
DrawRect(0,0,1,1,stroke=5)

MakeWindow(6, labels=False, bgcolor=WHITE)
# Draw six nested squares with rotation.
# The "next" radius is the current radius divided by sqrt(2)
r = 10
DrawRect(0,0,r,r,color=MAGENTA,stroke=3)
r = r/sqrt(2)
DrawRect(0,0,r,r,color=CYAN,stroke=3,rotate=45)
r = r/sqrt(2)
DrawRect(0,0,r,r,color=YELLOW,stroke=3)
r = r/sqrt(2)
DrawRect(0,0,r,r,color=PURPLE,stroke=3,rotate=45)
r = r/sqrt(2)
DrawRect(0,0,r,r,color=GREEN,stroke=3)
r = r/sqrt(2)
DrawRect(0,0,r,r,color=None,stroke=3,rotate=45)

ShowWindow()