CS151.02 2010S Functional Problem Solving

Quiz 2: Drawing Robots

Write a series of definitions to describe a drawing of a robot. Your instructions should build each piece, and then group them together.

; Create a grey 60x80 body
(define body ___)
; Create a black 20x20 head
(define head ___)
; Create a 40x10 arm
(define arm ___)
; Create a 20x30 leg
(define leg ___)
; ...
; Put together a head, a body, two arms, and two legs to make a robot
(define robot (drawing-group ___))

Don't worry about getting it perfect. Just make sure that you can create the various components and shift them to the appropriate positions.

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Samuel A. Rebelsky, rebelsky@grinnell.edu

Copyright © 2007-10 Janet Davis, Matthew Kluber, Samuel A. Rebelsky, and Jerod Weinman. (Selected materials copyright by John David Stone and Henry Walker and used by permission.) This material is based upon work partially supported by the National Science Foundation under Grant No. CCLI-0633090. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.