Task: Build the tree with onscreenclick


Code:
from turtle import *
from random import *
setup(800,600)
bgcolor('light blue')
title("Onclick Tree")

tracer(0, 0)
color("brown")
left(90)

minAngle    = 25
maxAngle    = 90
minLength   = 30
maxLength   = 45
minBranches = 2
maxBranches = 6

def tree(depth, branches, size, angle):
  # Terminate at leaf or randomly
  if depth < 1 or branches < 1 or random() < 0.1:
    color("green")
    right(90)
    circle(2)
    left(90)
    color("brown")
    return

  # Set stroke thickness
  width(depth)

  # Draw root/trunk
  forward(size)

  # Turn to leftmost branch
  left(0.5 * angle)
  for i in range(branches):
    # Turn to branch angle
    if branches > 1:
      right(i * angle / (branches - 1))

    # Draw next depth tree
    tree(depth - 1, randint(minBranches, maxBranches), randrange(minLength, maxLength), randrange(minAngle, maxAngle))

    # Turn back to centre angle
    if branches > 1:
      left(i * angle / (branches - 1))

  # Turn back to center
  right(0.5 * angle)

  # Return to start of root
  backward(size)


def move(x,y):
    penup()
    goto(x,y)
    pendown()
    
def f(x,y):
    move(x,y)
    color('brown')
    tree(6, randint(minBranches, maxBranches), randrange(minLength, maxLength), randrange(minAngle, maxAngle))
    update()

def ground(wid, high):
    fillcolor('light green')
    goto(-wid, -high/2)
    begin_fill()
    setheading(0)
    forward(wid*2)
    setheading(90)
    forward(high/2)
    setheading(180)
    forward(wid*2)
    setheading(270)
    forward(high/2)
    end_fill()

def sun (sx, sy):
    move(sx, sy)
    color("yellow")
    rd =50
    ang = 0
    for i in range(50):
            dis = randint(10, 100)
            ang = ang + 15
            pensize(2)
            setheading(ang)
            forward(dis)
            backward(dis)
    dot(rd)
    setheading(90)


penup()
goto(-400, -300)
ground(800, 600)
setheading(90)

onscreenclick(f,1)
onscreenclick(sun,3)

done()