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import math
from wrappers import Turtle
def draw(canvas):
t1 = Turtle(canvas)
t1.cls()
"""
# test towards (towardsXY)
# these kinds of tests should be done using pyunit
tt = Turtle(canvas)
for i in range(0, 370, 10):
tt.pu()
tt.lt(i)
tt.fd(100)
print "angle: %f, t1 towards tt: %f, tt towards t1: %f" % (i, t1.towards(tt), tt.towards(t1))
tt.bk(100)
tt.rt(i)
"""
# test the distance calculation
t1.left(45)
t1.forward(100 * math.sqrt(2))
t2 = Turtle(canvas)
t2.forward(100)
d = t2.distance(t1)
# should display 100
t2.write("%f" % d)
# test the odometer reading
t1.resetOdometer()
t1.resumeOdometer()
t1.polygon(4, 100)
t1.write("odometer: %f" % t1.getOdometer())
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