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| import turtle as tu | |
| roo = tu.Turtle() # Turtle object | |
| wn = tu.Screen() # Screen Object | |
| wn.bgcolor("black") # Screen Bg color | |
| wn.title("Fractal Tree Pattern") | |
| roo.left(90) # moving the turtle 90 degrees towards left | |
| roo.speed(20) # setting the speed of the turtle | |
| def draw(l): # recursive function taking length 'l' as argument | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) # Setting Pensize | |
| roo.pencolor("yellow") # Setting Pencolor as yellow | |
| roo.forward(l) # moving turtle forward by 'l' | |
| roo.left(30) # moving the turtle 30 degrees towards left | |
| draw(3 * l / 4) # drawing a fractal on the left of the turtle object 'roo' with 3/4th of its length | |
| roo.right(60) # moving the turtle 60 degrees towards right | |
| draw(3 * l / 4) # drawing a fractal on the right of the turtle object 'roo' with 3/4th of its length | |
| roo.left(30) # moving the turtle 30 degrees towards left | |
| roo.pensize(2) | |
| roo.backward(l) # returning the turtle back to its original psition | |
| draw(20) # drawing 20 times | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor("magenta") # magenta | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(3 * l / 4) | |
| roo.right(60) | |
| draw(3 * l / 4) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(20) | |
| roo.left(270) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor("red") # red | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(3 * l / 4) | |
| roo.right(60) | |
| draw(3 * l / 4) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(20) | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor('#FFF8DC') # white | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(3 * l / 4) | |
| roo.right(60) | |
| draw(3 * l / 4) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(20) | |
| ######################################################## | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(3) | |
| roo.pencolor("lightgreen") # lightgreen | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(4 * l / 5) | |
| roo.right(60) | |
| draw(4 * l / 5) | |
| roo.left(30) | |
| roo.pensize(3) | |
| roo.backward(l) | |
| draw(40) | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(3) | |
| roo.pencolor("red") # red | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(4 * l / 5) | |
| roo.right(60) | |
| draw(4 * l / 5) | |
| roo.left(30) | |
| roo.pensize(3) | |
| roo.backward(l) | |
| draw(40) | |
| roo.left(270) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(3) | |
| roo.pencolor("yellow") # yellow | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(4 * l / 5) | |
| roo.right(60) | |
| draw(4 * l / 5) | |
| roo.left(30) | |
| roo.pensize(3) | |
| roo.backward(l) | |
| draw(40) | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(3) | |
| roo.pencolor('#FFF8DC') # white | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(4 * l / 5) | |
| roo.right(60) | |
| draw(4 * l / 5) | |
| roo.left(30) | |
| roo.pensize(3) | |
| roo.backward(l) | |
| draw(40) | |
| ######################################################## | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor("cyan") # cyan | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(6 * l / 7) | |
| roo.right(60) | |
| draw(6 * l / 7) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(60) | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor("yellow") # yellow | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(6 * l / 7) | |
| roo.right(60) | |
| draw(6 * l / 7) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(60) | |
| roo.left(270) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor("magenta") # magenta | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(6 * l / 7) | |
| roo.right(60) | |
| draw(6 * l / 7) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(60) | |
| roo.right(90) | |
| roo.speed(2000) | |
| # recursion | |
| def draw(l): | |
| if (l < 10): | |
| return | |
| else: | |
| roo.pensize(2) | |
| roo.pencolor('#FFF8DC') # white | |
| roo.forward(l) | |
| roo.left(30) | |
| draw(6 * l / 7) | |
| roo.right(60) | |
| draw(6 * l / 7) | |
| roo.left(30) | |
| roo.pensize(2) | |
| roo.backward(l) | |
| draw(60) | |
| wn.exitonclick() |
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