Random rajz

import turtle

import random

myPen = turtle.Turtle()

myPen.tracer(0)

myPen.speed(0)

screen = turtle.Screen()

#Blue Sky

screen.bgcolor("#0060E6")

#A procedure to trace the skyline using a polynomiale function: 

def drawSkyline(color):

  global a,b,c,d

  myPen.penup()

  myPen.goto(-200,-200)

  myPen.color(color)

  myPen.pendown()

  myPen.fillcolor(color)

  myPen.begin_fill()

  #Trace the skyline, 1 pixel at a time, from left (x=-200) to right (x=200)

  for x in range(-200,201):

    y = a*x**3 + b*x**2  + c*x + d

    myPen.goto(x,y)

  myPen.goto(200,-200)

  myPen.goto(-200,-200)

  myPen.end_fill()

    

  myPen.penup()

def addTree(color):

  global a,b,c,d 

  x = random.randint(-200,200)

  y = a*x**3 + b*x**2  + c*x + d

  myPen.penup()

  myPen.goto(x,y)

  myPen.pensize(3)

  myPen.color("#753707")

  myPen.pendown()

  myPen.goto(x,y+10)

  myPen.color(color)

  myPen.fillcolor(color)

  myPen.pensize(1)

  myPen.begin_fill()

  myPen.circle(15)

  myPen.end_fill()

# Main Program Starts Here

#Randomly generate coefficients for our polynomial function

a = random.randint(-20,20)/(100**3)

b = random.randint(-20,20)/(100**2)

c = random.randint(-20,20)/100

d = random.randint(-20,20)

#Draw the skyline using the polynomial function

drawSkyline("green")

#Add Trees

for i in range(0,random.randint(2,5)):

  addTree("#065900")

  addTree("#2B7A26")

myPen.hideturtle()

screen.tracer(0)

myPen.getscreen().update()

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