43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
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# SPDX-License-Identifier: MIT
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import board
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from adafruit_turtle import turtle
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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(
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[points[0], getMid(points[0], points[1]), getMid(points[0], points[2])],
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depth - 1,
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)
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triangle(
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[points[1], getMid(points[0], points[1]), getMid(points[1], points[2])],
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depth - 1,
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)
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triangle(
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[points[2], getMid(points[2], points[1]), getMid(points[0], points[2])],
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depth - 1,
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)
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turtle = turtle(board.DISPLAY)
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big = min(board.DISPLAY.width / 2, board.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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