Modify pentagon spiral to draw 5 spirals as shown here.
Source Code:
import turtle
import math
screen = turtle.Screen()
screen.title('5 Spirals - PythonTurtle.Academy')
screen.setup(1000,1000)
screen.setworldcoordinates(-1000,-1000,1000,1000)
turtle.speed(0)
turtle.hideturtle()
turtle.pensize(2)
colors = [ 'red', 'orange', 'green', 'blue', 'purple' ]
def draw_spiral(x,y,r,direction):
if r < 10: return
d = direction
r_ratio = math.cos(math.radians(36))/math.cos(math.radians(36-alpha))
d_ratio = math.sin(math.radians(36))-r_ratio*math.sin(math.radians(36-alpha))
for i in range(5):
px = x + r*math.cos(math.radians(d))
py = y + r*math.sin(math.radians(d))
turtle.color(colors[i])
turtle.up()
turtle.goto(px,py)
turtle.down()
turtle.seth(d+180-54)
dist = r*d_ratio
r2 = r
while dist > 0.1:
turtle.fd(dist)
r2 = r2*r_ratio
dist = r2*d_ratio
turtle.left(alpha)
d += 360/5
alpha = 5
draw_spiral(0,0,900,90)
