Functional Problem Solving (CSC 151 2014F) : Outlines
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Held: Friday, 31 October 2014
Back to Outline 32 - Characters and Strings. On to Outline 34 - Iteration.
Summary
We explore another imperative model of images, turtle graphics. In this model, we give drawing expressions to simulated robotic turtles.
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Disclaimer: Although I knew much of this information, I did crib some ideas from Wikipedia and the Web for these notes.
turtle robot) hooked up to a computer. Hence, it made sense for the language to have some basic operations for the robot.
(turtle-new image)
.(turtle-forward! turtle amt)
(turtle-turn! turtle angle)
(turtle-up! turtle)
(turtle-down! turtle)
(turtle-teleport! turtle col row)
(turtle-face! turtle angle)
(turtle-show! turtle)