from myro import *
from math import sin

#Create a new Window
myWin = GraphWin("Sine",500,100)

#Set the coordinate system appropriate for displaying math functions.
myWin.setCoords(-4.0,-1.0, 4.0,1.0)

yAxis = Line( Point(0.0,-1), Point(0.0,1) )
yAxis.draw(myWin)

xAxis = Line( Point(-4.0, 0), Point(4, 0) )
xAxis.draw(myWin)

for n in range(0,400):
    x = (n - 200) / 50.0
    y = sin(x)
    p = Point(x,y)
    p.draw(myWin)
    wait(0.01)