angle = (n-2) * 180. / n
k = 18
for _ in xrange(k):
for i in xrange(n):
draw.forward(a)
draw.right(180 - angle)
draw.right(360./k)
if __name__ == "__main__":
draw = Turtle("Various_pictures")
draw.setCoord(10, 10)
draw.resetDir()
draw.penDown()
square(draw, 200)
draw.resetDir()
draw.setCoord(210, 70)
barredCircle(draw, r=50, shift=5)
draw.setCoord(75, 200)
triangle(draw, 10, 5, 15)
draw.setCoord(225, 210)
rose(draw)
draw.penDown()
angle = 180 - 360. / (2 * n)
for i in xrange(n):
draw.forward(a)
draw.right(angle)
draw.penUp()
if __name__ == "__main__":
draw = Turtle("test_pictures")
draw.penUp()
draw.setCoord(-50, -50)
draw.forward(100)
draw.right(90)
draw.forward(50)
draw.left(90)
regularPolygon(draw, 100, 5)
draw.resetDir()
draw.right(36)
star(draw, 100 * (sin(108 / 360. * 2 * pi) / sin(36 / 360. * 2 * pi)), 5)
draw.resetDir()
draw.forward(300)
verticies = regularPolygon(draw, 100, 5)
for i, vortex in enumerate(verticies[:3]):