References

1. Python - Turtle

1.1 Documents:

• turtle — Turtle graphics https://docs.python.org/3.1/library/turtle.html

1.2 Demo programs:

• Python 海龟创意绘画 https://github.com/Amd794/Python123
• Flappy Bird Clone Python Turtle Tutorial https://github.com/tjwei/Flappy-Turtle
• A randomised python turtle code to draw a Bob Ross style landscape https://github.com/razzledazze/Turtle-Landscape
• 科赫雪花小包裹 https://www.toutiao.com/a6714524859054948877
• Turtle创意绘画 https://www.python123.io/index/turtles/latest
• A python program for draw SVG file using turtle package. https://github.com/tfx2001/python-turtle-draw-svg

1.3 Tutorials:

• Python绘图Turtle库详解 https://blog.csdn.net/zhubao124/article/details/82867759

• Background: Drawing Graphics https://fiftyexamples.readthedocs.io/en/latest/turtle.html

• Python Turtle Graphics - The Complete Guide https://coolpythoncodes.com/python-turtle/

• A collection of turtle graphics python programs I wrote, esp. for teaching code to kids. https://github.com/ryanbenedetti/turtle-graphics-for-kids

• Notes on using Python's turtle built-in commands http://www.eg.bucknell.edu/~hyde/Python3/TurtleDirections.html

• https://coolpythoncodes.com/python-turtle/

• Hello, little turtles! http://openbookproject.net/thinkcs/python/english3e/hello_little_turtles.html

• Python Turtle Programming for Kids https://www.gordonchoi.com/python-turtle-programming-for-kids/

• A Simple Tutorial for Python's turtle.py Module https://github.com/asweigart/simple-turtle-tutorial-for-python/blob/master/simple_turtle_tutorial.md

• Images of turtle https://cn.bing.com/images/search?q=Python%20Turtle&&form=IDIVXX

• Python Turtle Graphics - The Complete Guide https://coolpythoncodes.com/python-turtle/

• 10分钟轻松学会 Python turtle 绘图 https://www.cnblogs.com/nowgood/p/turtle.html

• [Creating Turtle Geometry with IPython]https://github.com/gkvoelkl/ipython-turtle-widget

• Turtles on a notebook

2. Book & Library

1.1 Libarys

• A learning environment for Python & Turtle https://github.com/PythonTurtle/PythonTurtle
• Scientific Graphics and GUI Library for Python: PyQtGraph
• Interactive scientific visualization: VisPy
• Simple Vector Graphics for Python https://github.com/Zulko/gizeh
• Python Vector Graphics https://github.com/JulienLeonard/PVG
• Vector Animations With Python http://zulko.github.io/blog/2014/09/20/vector-animations-with-python/
• ZeroBrane Edu Pack is a collection of scripts, games, and simple applications in Lua, suitable for learning programming concepts: https://github.com/pkulchenko/ZeroBraneEduPack

2.2 Book:

• Learn Python Turtle Graphics and L-Systems https://github.com/thomasmarsh/python-turtle
• How to Think Like a Computer Scientist http://openbookproject.net/thinkcs/python/english3e/index.html
• Intro to Programming - Python http://python-intro.readthedocs.io/en/latest/index.html
• Python for Kids: A Playful Introduction To Programming
• Python Projects for Kids

2.3 GeoGebra

• Learn Graphing Calculator https://www.geogebra.org/m/vd6UC685
• Selected Examples https://www.geogebra.org/m/Jz9AP6m8

2.4 Processing & The Nature of Code

• The Nature of Code book
• The-Nature-of-Code-Examples Python
• A powerful and easy-to-use Graphics Library for Python based on Processing

3. Math

3.1 Spirograph

• https://en.wikipedia.org/wiki/Spirograph
• Spirograph Patterns http://www.eddaardvark.co.uk/python_patterns/spirograph.html
• Python Turtle Spirograph https://www.101computing.net/python-turtle-spirograph/
• https://www.geeksforgeeks.org/fractal-using-spirograph-python/
• https://github.com/pkulchenko/ZeroBraneEduPack/tree/master/spirograph-samples

3.2 Fractal

• https://github.com/pkulchenko/ZeroBraneEduPack/tree/master/fractal-samples

4. Tips

4.1 How to capture screen image

• https://stackoverflow.com/questions/9886274/how-can-i-convert-canvas-content-to-an-image

• python screenshot https://github.com/ponty/pyscreenshot

• https://stackoverflow.com/questions/19964345/how-to-do-a-screenshot-of-a-tkinter-application

• https://stackoverflow.com/questions/4071633/python-turtle-module-saving-an-image

• https://stackoverflow.com/questions/2846947/get-screenshot-on-windows-with-python

shutter usage:

shutter --window="Python Turtle Graphics" -o `pwd`/t.png