from turtle import *
from time import *

alex = [Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle()]
c = ["green"]*15
bert = [Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle(),Turtle()]
water = Turtle()
tracer(0)
water.color("blue")
water.pu()
water.goto(-30*15,-100)
water.pd()
screen = Screen()
screen.register_shape("duck.gif")

ht()
pu()


w=15
l=30
r=25
s=30


for i in range(15):
    #alex[i].ht()
    alex[i].penup()
    alex[i].color(c[i])
    alex[i].fd(l*i)
    
for i in range(15):
    #bert[14-i].ht()
    bert[14-i].penup()
    bert[14-i].color(c[i])
    bert[14-i].bk(l+l*i)
    

    
for i in range(15):
    bert[i].circle(r,(-w*i)%360)

for i in range(15):
    alex[i].circle(r,(-w*(i+15))%360)

duck = Turtle(shape="duck.gif")
duck.pu()

for i in range(250):
    water.clear()
    duck.goto(alex[0].xcor(),alex[0].ycor()+r*4)
    water.begin_fill()
    for i in range(15):
        bert[i].circle(r,5)
        water.goto(bert[i].xcor(),bert[i].ycor())
    for i in range(15):
        alex[i].circle(r,5)
        water.goto(alex[i].xcor(),alex[i].ycor())
        
    water.goto(30*15,-100)
    water.goto(-30*15,-100)
    water.end_fill()
        
    tracer(1)    
    fd(s)
    tracer(0)
    
        

speed(0)

exitonclick()