def ornament(x, y):
turtle.penup()
turtle.goto(x, y)
turtle.pencolor(Color.RED)
turtle.pendown()
turtle.dot(7)
turtle.penup()
def triangle(points, depth):
turtle.penup()
turtle.goto(points[0][0], points[0][1])
turtle.pendown()
turtle.goto(points[1][0], points[1][1])
turtle.goto(points[2][0], points[2][1])
turtle.goto(points[0][0], points[0][1])
if depth > 0:
triangle([
points[0],
getMid(points[0], points[1]),
getMid(points[0], points[2])
], depth - 1)
triangle([
points[1],
getMid(points[0], points[1]),
getMid(points[1], points[2])
], depth - 1)
triangle([
points[2],
getMid(points[2], points[1]),
getMid(points[0], points[2])
], depth - 1)
spi = busio.SPI(board.SCL, MOSI=board.SDA)
display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
display = ST7789(display_bus,
width=240,
height=240,
rowstart=80,
backlight_pin=board.A3,
rotation=180)
turtle = turtle(display)
#==| Turtle Gizmo Setup end |=========================================
# Fractal Christmas Tree:
# https://codegolf.stackexchange.com/questions/15860/make-a-scalable-christmas-tree
# by Keith Randall
n = 42 # input value for scaling the tree. note: ornaments don't scale
turtle.goto(0, -20)
#star
turtle.left(90)
turtle.forward(3 * n)
turtle.pencolor(Color.YELLOW)
turtle.left(126)
turtle.pendown()
for _ in range(5):
turtle.forward(n / 5)
turtle.right(144)
turtle.forward(n / 5)
turtle.left(72)
turtle.right(126)
#tree
a()
forward()
a()
right()
forward()
b()
left()
if rule == "b":
right()
a()
forward()
left()
b()
forward()
b()
left()
forward()
a()
right()
turtle = turtle(board.DISPLAY)
turtle.penup()
turtle.setheading(90)
turtle.goto(-80, -80)
turtle.pendown()
hilbert2(5, "a", 90, 5, turtle)
while True:
pass
side = lambda: f(side_length / 3, depth - 1, generation + 1)
side()
turtle.left(60)
side()
turtle.right(120)
side()
turtle.left(60)
side()
turtle = turtle(board.DISPLAY)
unit = min(board.DISPLAY.width / 3, board.DISPLAY.height / 4)
top_len = unit * 3
print(top_len)
turtle.penup()
turtle.goto(-1.5 * unit, unit)
turtle.pendown()
num_generations = 3
top_side = lambda: f(top_len, num_generations, 0)
top_side()
turtle.right(120)
top_side()
turtle.right(120)
top_side()
while True:
pass
import board
from adafruit_turtle import Color, turtle
turtle = turtle(board.DISPLAY)
starsize = min(board.DISPLAY.width,
board.DISPLAY.height) * 0.9 # 90% of screensize
print("Turtle time! Lets draw a star")
turtle.pencolor(Color.BLUE)
turtle.setheading(90)
turtle.penup()
turtle.goto(-starsize / 2, 0)
turtle.pendown()
start = turtle.pos()
while True:
turtle.forward(starsize)
turtle.left(170)
if abs(turtle.pos() - start) < 1:
break
while True:
pass
#==| Turtle Gizmo Setup end |=========================================
def f(side_length, depth, generation):
if depth == 0:
side = turtle.forward(side_length)
else:
side = lambda: f(side_length / 3, depth - 1, generation + 1)
side()
turtle.left(60)
side()
turtle.right(120)
side()
turtle.left(60)
side()
turtle.penup()
turtle.goto(-99, 56)
turtle.pendown()
num_generations = 3
top_side = lambda: f(218, num_generations, 0)
top_side()
turtle.right(120)
top_side()
turtle.right(120)
top_side()
while True:
pass
a()
forward()
a()
right()
forward()
b()
left()
if rule == "b":
right()
a()
forward()
left()
b()
forward()
b()
left()
forward()
a()
right()
turtle.penup()
turtle.goto(-108, -108)
turtle.pendown()
turtle.pencolor(Color.PURPLE)
hilbert2(7, "a", 90, 5, turtle)
while True:
pass
def vert(x, y, size):
turtle.goto(x, y)
turtle.dot(size)
turtle.dot(size)
turtle.penup()
turtle.pencolor(Color.GREEN)
vert(0, 0, 7)
vert(0, 100, 7)
vert(100, 0, 7)
vert(0, -100, 7)
vert(-100, 0, 7)
x_quad = [10, 10, -10, -10]
y_quad = [10, -10, -10, 10]
for q in range(4):
for i in range(0, 11):
x_from = 0
y_from = (10 - i) * y_quad[q]
x_to = i * x_quad[q]
y_to = 0
turtle.penup()
turtle.goto(x_from, y_from)
turtle.pendown()
turtle.goto(x_to, y_to)
turtle.home()
while True:
pass
