Created
January 30, 2016 13:56
-
-
Save rbdixon/baa12be42b40af928b29 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"cells": [ | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"To start the program first you must load the turtle library and some math functions that will let you get a random number.\n", | |
"\n", | |
"Then you create your turtle. He will be named `bob`." | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": { | |
"collapsed": false | |
}, | |
"outputs": [], | |
"source": [ | |
"import turtle\n", | |
"from random import seed, random\n", | |
"\n", | |
"bob = turtle.Turtle()" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"This next box resets the canvas. You can run it any time you want to clear the canvas and start over." | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 13, | |
"metadata": { | |
"collapsed": false | |
}, | |
"outputs": [], | |
"source": [ | |
"bob.reset()" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"Now we will draw with Bob. Bob is going to make 25 loops. Each loop will be a random color. Before Bob starts the loop he will turn left a little bit. See if you can figure out how far he will turn. The Bob will draw a circle ending up back where he started. The last line is very important... can you figure out what would happen if that line was not there?" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 11, | |
"metadata": { | |
"collapsed": false | |
}, | |
"outputs": [], | |
"source": [ | |
"numloops = 25\n", | |
"loops = numloops\n", | |
"while (loops>0):\n", | |
" bob.color( random(), random(), random() )\n", | |
" bob.left( 360.0 / numloops )\n", | |
" bob.circle( 50.0 )\n", | |
" loops = loops - 1" | |
] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 2", | |
"language": "python", | |
"name": "python2" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 2 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython2", | |
"version": "2.7.11" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 0 | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment