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jedgarparkjedgarpark
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Turtle example scripts first commit
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‎TFT_Gizmo_Turtle_Graphics/turtle_asterix.py‎

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#Turtle Gizmo Asterix
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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turtle.pendown()
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for _ in range(20):
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turtle.forward(80)
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turtle.back(80) #try changing this to 70 for an iris effect
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turtle.left(18)
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_benzene.py‎

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# Turtle Gizmo Rainbow Benzene
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import Color, turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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benzsize = min(display.width, display.height) * 0.5
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print("Turtle time! Lets draw a rainbow benzene")
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colors = (Color.RED, Color.ORANGE, Color.YELLOW, Color.GREEN, Color.BLUE, Color.PURPLE)
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turtle.pendown()
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start = turtle.pos()
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for x in range(benzsize):
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turtle.pencolor(colors[x%6])
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turtle.forward(x)
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turtle.left(59)
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_christmas_tree.py‎

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# Turtle Gizmo Christmas Tree
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import Color, turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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# Fractal Christmas Tree:
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# https://codegolf.stackexchange.com/questions/15860/make-a-scalable-christmas-tree
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# by Keith Randall
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n = 42 # input value for scaling the tree. note: ornaments don't scale
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turtle.goto(0, -20)
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#star
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turtle.left(90)
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turtle.forward(3*n)
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turtle.pencolor(Color.YELLOW)
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turtle.left(126)
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turtle.pendown()
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for _ in range(5):
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turtle.forward(n/5)
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turtle.right(144)
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turtle.forward(n/5)
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turtle.left(72)
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turtle.right(126)
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#tree
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turtle.pencolor(Color.GREEN)
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turtle.back(n*4.8)
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def tree(d,s):
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if d <= 0:
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return
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turtle.forward(s)
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tree(d-1, s*.8)
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turtle.right(120)
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tree(d-3, s*.5)
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turtle.right(120)
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tree(d-3, s*.5)
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turtle.right(120)
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turtle.back(s)
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turtle.pendown()
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turtle.pencolor(Color.GREEN)
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tree(15, n)
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turtle.back(n/2)
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#ornaments
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def ornament(x, y):
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turtle.penup()
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turtle.goto(x, y)
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turtle.pencolor(Color.RED)
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turtle.pendown()
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turtle.dot(7)
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turtle.penup()
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orn_pnts=[ (5, 60), (-7, 40), (10, 20), (-15, 0), (25, -20),
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(-27, -30), (7, -33), (40, -60), (-9, -63),
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(-50, -88), (62, -97) ]
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for j in range(len(orn_pnts)):
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ornament(orn_pnts[j][0], orn_pnts[j][1])
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turtle.penup()
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turtle.goto(0, -120)
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_circle.py‎

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# Turtle Gizmo Circle
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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turtle.penup()
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turtle.right(90)
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turtle.forward(118)
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turtle.left(90)
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turtle.pendown()
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turtle.circle(118) #radius of the circle
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_circle_petals.py‎

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# Turtle Circle Petals
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import Color, turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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colors = [Color.YELLOW, Color.GREEN]
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for _ in range(4):
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for i in range (5):
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turtle.pencolor(colors[i % 2])
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turtle.pendown()
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turtle.circle(60 - (i*10) )
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turtle.penup()
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turtle.right(90)
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_hilbert.py‎

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# Turtle Gizmo Hilbert
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import Color, turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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def hilbert2(step, rule, angle, depth, t):
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if depth > 0:
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a = lambda: hilbert2(step, "a", angle, depth - 1, t)
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b = lambda: hilbert2(step, "b", angle, depth - 1, t)
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left = lambda: t.left(angle)
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right = lambda: t.right(angle)
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forward = lambda: t.forward(step)
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if rule == "a":
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left()
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b()
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forward()
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right()
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a()
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forward()
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a()
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right()
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forward()
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b()
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left()
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if rule == "b":
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right()
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a()
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forward()
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left()
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b()
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forward()
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b()
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left()
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forward()
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a()
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right()
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turtle.penup()
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turtle.goto(-108, -108)
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turtle.pendown()
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turtle.pencolor(Color.PURPLE)
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hilbert2(7, "a", 90, 5, turtle)
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_koch.py‎

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# Turtle Gizmo Koch Snowflake
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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def f(side_length, depth, generation):
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if depth == 0:
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side = turtle.forward(side_length)
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else:
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side = lambda: f(side_length / 3, depth - 1, generation + 1)
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side()
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turtle.left(60)
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side()
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turtle.right(120)
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side()
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turtle.left(60)
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side()
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turtle.penup()
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turtle.goto(-99, 56)
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turtle.pendown()
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num_generations = 3
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top_side = lambda: f(218, num_generations, 0)
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top_side()
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turtle.right(120)
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top_side()
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turtle.right(120)
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top_side()
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_parabolic_jack.py‎

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# Turtle Gizmo Parabolic Jack
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import Color, turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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print("Draw parabolas using straight line segments!")
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def vert(x, y, size):
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turtle.goto(x, y)
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turtle.dot(size)
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turtle.penup()
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turtle.pencolor(Color.GREEN)
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vert(0, 0, 7)
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vert(0, 100, 7)
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vert(100, 0, 7)
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vert(0, -100, 7)
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vert(-100, 0, 7)
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x_quad=[10, 10, -10, -10]
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y_quad=[10, -10, -10, 10]
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for q in range(4):
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for i in range(0,11):
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x_from = 0
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y_from = (10-i) * y_quad[q]
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x_to = i * x_quad[q]
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y_to = 0
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turtle.penup()
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turtle.goto(x_from,y_from)
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turtle.pendown()
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turtle.goto(x_to,y_to)
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turtle.home()
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while True:
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pass

‎TFT_Gizmo_Turtle_Graphics/turtle_sierpinski.py‎

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# Turtle Gizmo Sierpinski Triangle
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#==| Turtle Gizmo Setup start |========================================
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import board
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import busio
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import displayio
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from adafruit_st7789 import ST7789
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from adafruit_turtle import turtle
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displayio.release_displays()
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spi = busio.SPI(board.SCL, MOSI=board.SDA)
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display_bus = displayio.FourWire(spi, command=board.TX, chip_select=board.RX)
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display = ST7789(display_bus, width=240, height=240, rowstart=80,
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backlight_pin=board.A3, rotation=180)
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turtle = turtle(display)
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#==| Turtle Gizmo Setup end |=========================================
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def getMid(p1, p2):
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return ((p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2) #find midpoint
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def triangle(points, depth):
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turtle.penup()
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turtle.goto(points[0][0], points[0][1])
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turtle.pendown()
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turtle.goto(points[1][0], points[1][1])
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turtle.goto(points[2][0], points[2][1])
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turtle.goto(points[0][0], points[0][1])
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if depth > 0:
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triangle([points[0],
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getMid(points[0], points[1]),
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getMid(points[0], points[2])],
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depth-1)
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triangle([points[1],
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getMid(points[0], points[1]),
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getMid(points[1], points[2])],
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depth-1)
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triangle([points[2],
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getMid(points[2], points[1]),
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getMid(points[0], points[2])],
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depth-1)
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big = min(display.width/2, display.height/2)
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little = big / 1.4
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seed_points = [[-big, -little], [0, big], [big, -little]] #size of triangle
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triangle(seed_points, 4)
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while True:
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pass

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