Difference between revisions of "CSC111 Homework 10 2015"
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Revision as of 19:40, 4 April 2015
--D. Thiebaut (talk) 20:19, 4 April 2015 (EDT)
This assignment is due Tuesday night (4/14/15) at 11:55 p.m.
Contents
Problem 1 (60 points)
You have been hired for the summer by a company that makes wrapping paper. The company has a Web form where customers can pick different colors, a general theme, and a message to print in the middle of the page. Then a Python program generates an image that is printed by a large format printer.
The image above shows one particular output, for somebody who has selected Cars as the theme, Blue as the background, and "Happy Easter" as the message.
Your assignment
You must demonstrate that you should be hired for the programming job by writing a program that generates a sample output, with a predefined color, a predefined scheme, and a predefined message. Your program will NOT ask the user for any information.
Submission
You must submit 2 files on Moodle:
- Your program, which should be called hw10_1.py
- An image of the output generated by your program. It should be called hw10_1.png or hw11_1.jpg
Requirements
- Your program should print rows of cars. The color of the cars should be randomly generated.
- Your program organizes the cars in rows, one above the other. The car may or may not align vertically (the image above shows them aligned vertically).
- You are free to design the shape of your car. It must contain at least 2 rectangles and at least two wheels.
- A given car can have differently colored rectangles, or the same color for all its rectangles. It is your design decision.
- Cars are not allowed to extend past the boundaries of the window.
- The message in the middle should appear inside a rectangle that hides the cars underneath it. It is ok to have cars partially covered by the box with the message.
- The message should be centered in the rectangle.
- The message should be large enough to be easily readable.
- The actual text of the message should be your name: either your first name, your last name, or both.
- Your program should have a main() function defined at the end, and one final call to main() at the end of the program.
Hints
- To set the color of the background, you can use the setBackground() canvas method:
win = GraphicsWindow(MAXWIDTH, MAXHEIGHT) canvas = win.canvas() canvas.setBackground( 0, 250, 250 )
- Printing text can be used using two other canvas methods: setTextFont() and drawText():
canvas.setTextFont( 'arial', 40, 'bold' ) canvas.drawText( 100, 100, "CSC111 Homework 11" )
- Do not hesitate to give your classes extra methods that can make your life easier in your main program. For example, I used a setRandomColor() method for my Car class. This way I can generate a black car, then ask it to pick its own random color:
# generate a black car by default c = Car( x, y, w, h, (0, 0, 0) ) # make it pick a random color for itself c.setRandomColor()
- Colors can also be specified by name, as in
canvas.setFill( "yellow" )
In case you wanted to limit the colors to a specific set, you may find this chart of color names useful. In this case you could pick a random color this way:
color = choice[ 'snow', 'ghost white', 'white smoke', 'gainsboro', 'floral white', 'old lace', 'linen', 'antique white', 'papaya whip', 'blanched almond', 'bisque', 'peach puff', 'navajo white', 'lemon chiffon' ] canvas.setFill( color )
(Remember that choice must be imported from random before it can be understood by Python!)
Submission
Remember that you must submit 2 files, the program and a screen capture of your window.
The submission URL is http://cs.smith.edu/~thiebaut/111b/submit11.php
Optional and Extra-Credits: Problem 2 (20 points)
20 extra points = 10 points for program, 10 points for image
This second problem requires you to use two different types of cars. They should be different enough to be easily distinguished from one another.
The program must generate rows of cars, alternating between the two types of car. The first row should have cars of Type 1, the second row cars of Type 2, and continuing alternating between the two.
The program must use a for-loop to display the rows of cars!
You need to submit two files, a program called hw11b.py and a screen copy of your image, called hw11b.jpg or hw11b.png (all lower-case). Submit both to the same URL as above.