IS313 Today: projects!

AI?

UI?

Project plans

I hope I'm involved!

Role-based access control (James)

PyGame - Snake! (Ivan, with SQL!)

PyGame - Snake! (Sucheng, James)

PyGame - Bomberman Jetters!

TextClouds (HsingHuei)

TextClouds (Bridget and Laura)

vPool (Igho and Yernur)

(Congshan, Bill, Spencer)

IT placement app (Phil, Tim, Hamdan)

IS313 Schedule

Wednesday, Dec. 2 - Projects… !

Thursday, Dec. 3 - progress report due – with code

Wednesday, Dec. 9 - In-class project presentations

Thursday, Dec. 10 - progress report due – with code

Wednesday, Dec. 16 - no class meeting

Thursday, Dec. 17 - Final project due!

Wednesday, Dec. 23 - Player class due (Hw #9)

What does this mean?

3P's: Projects

For tomorrow…

What does this mean?

(1) Get your libraries working!

(2) preliminary planning

(0) Choose your libraries…

What does this mean?

(1) An introduction and overview of your progress…

3P's: Presentation

certainly no expectations that things are complete!

but they should be further along than preliminary

Example presentation

with running commentary !

feel free to use these slides as a starting point (but it's by no means required!)

this does not seem very original!

inspired by the three projects using PyGame (two of which are implementing a Snake game!)

Project:

PySnake!

I usually imagine about 1 slide per minute, but this van vary considerably… Also, this will be longer than 10-15

minutes since there are so many parenthetical comments!

My goal is at least one picture per slide

PyGame: multi-platform (and means it!)

Libraries

Features: classes for 2d single-screen game support

Fun: supports sounds and game controllers, as well…

Resorting to unrelated pictures only when absolutely necessary…

No one writes programs from scratch!

Start with the example! (bouncing ball program)

Work Approach

Tinker: learning the library requires testing it out…

Plan: best done as you tinker…

You can probably

leave this slide out!

www.pygame.org/docs/tut/intro/intro.html

Reading the FAQ and other online resources is a great place to start!

Suggestions?

Having a ball…

This is an interesting piece of advice… who wrote this ?!?

To go from Bouncing Ball to Snake!

Game Plan

Data structures:

There is always a set of data structures that

represents your application…

Describing these data structures is the

application design - or your "game plan" - especially when the

application is a game!

Inspiration:http://www.cs.hmc.edu/~cs60grad/Spampede/

http://www.cs.hmc.edu/~cs60grad/Spampede/Spring02/btagiku6

A 2d list of cells - similar to the game of life - each of which might have

a wall

empty space

food!

[ [ 1, 1, 1, 1, 1, … ], [ 1, 0, 0, 3, 4, … ], [ 1, 0, 2, 0, 0, … ], … ]

body and head

Design Where possible, include details…

Challenge:

How to display a gameboard cell?

Thus, the game knows what to color each cell based on the gameboard's contents…

empty space is 0

[ [ 1, 1, 1, 1, 1, … ], [ 1, 0, 0, 3, 4, … ], [ 1, 0, 2, 0, 0, … ], … ]

food is 2

gameboard =

Details Something about the library that required some work to

figure out!

Challenge:How about more than one!

To create a region of color, you blit an object of the Surface class

Result:

DetailsHow did these checkerboard

patterns arise?

2d lists are used to create patterns of different color surfaces…

Look familiar?

Walls and the Snake

That snake looks like it's in trouble!

The edges are set to be walls, and the snake is started in the upper left…

Problems?

Snake motionIt's always better to use descriptive

variable names!

The snake has one of five directions:

NORTH = ( -1, 0 )

something's missing…

SOUTH = ( +1, 0 )

WEST = ( 0, -1 )

EAST = ( 0, +1 )

STOPPED = ( 0, 0 ) This makes it easy to go

diagonally in the future, if we want to!

Snake controlIt's always better to use descriptive

variable names!

Need to use the kbd

NORTH = ( -1, 0 )

Crash!

SOUTH = ( +1, 0 )

WEST = ( 0, -1 )

EAST = ( 0, +1 )

STOPPED = ( 0, 0 ) This makes it easy to go

diagonally in the future, if we want to!

Key classIt's always better to use descriptive

variable names!

Need to use the kbd

NORTH = ( -1, 0 )

SOUTH = ( +1, 0 )

WEST = ( 0, -1 )

EAST = ( 0, +1 )

STOPPED = ( 0, 0 )

Note that capital Q is tricky to specify…

Key feature

Good variable names make the code self-documenting!

Response to food!

Snake = [ (1,1), (1,2) ]A list keeps track of the cells in the

Snake.

Response to walls and other

obstacles!

What should happen here?

Demo!

Still to go…What are you planning on

implementing before the final version?

Sound Need examples

AI modeI don't want to take time to play the game …

let's have the computer play it for me!

More than simple cells of color

BIGGER!

Done!

Not done…

Examples!

other resources

Problems encountered? Aargh!

error messages

too much spam!

Design question… That's me!

Which of these steps took the most time?

End of example presentationPhew!

For next Thursday…

ePortfolios…

1. Post your final project on your ePortfolio page in a .zip file

2. Include on the page a text description of

• What it does

• What software prerequisites it needs (libraries, Python)

• How to run it

• What you would add if you had more time

about a paragraph each

The 3rd P!

User Inferfaces

No undo!

% ls

file1.txt file2.txt

file3.txt !

% rm *!

(long pause…)

Design for software and beyond

0. Conceptual

models

1. Mapping

2. Visibility

3. Feedback

4. Affordances

Don Norman's key principles:

Conceptual Models

Users always bring something "to the table"

these don't work!

Images from The Design of Everyday Things

Ony a human would think of

these!

Mapping

is matching expected (spatial) relationships

Where to plug in the keyboard and mouse?

?

Visibility

is making functionality apparent

Shower?Slide projector…

From: www.baddesigns.com

"I used to have that awful shower controller where you pull down on the nozzle to turn it on. I had to tell every guest how to do it, and when we sold our house, we got a call from the new owners about 5 days later asking how to turn on the shower. They had been taking baths for 5 days! Unbelievable." - BL

Feedback

providing information back to the user

from the UI Hall of Shame

Microsoft Access

Microsoft Outlook

http://homepage.mac.com/bradster/iarchitect/shame.htmBut some of us graphics aren't so lazy!

Affordances

are the functions that form suggests…

Opening the XO? Door handles

built-in user's manual

Where do these go wrong?Mapping

How to open this gas cap?

Visibility Feedback Affordances

This handle unfastens the seat from the

floor.

How to turn on this stove?

Set to 5 minutes?

Win NT Dialog

The designers aren't the users…

Lab / project …

Remember: preliminary.zip is due tomorrow evening…

Thinking about User Interfaces

Command Line Tablet / Touch

Ambient Information

Display Walls

Thinking about User Interfaces

What other types of human/computer interfaces can you think of?

#1 WI

MP

indowsconsenusointer

GUI

Affordances~ physical and cultural expectations

0. Conceptual models 1. Mapping

Matching user expectations e.g., Directory structures

Visibility and Feedback

Banks of glass doorsSlide projector

Affordances The functions that form suggests! Phone settings

Why is this a better design?

Keypad numbers layout

• A case of external inconsistency

1 2 34 5 6

7 8 9

7 8 9

1 2 3

4 5 6

0 0

(a) phones, remote controls(b) calculators, computer keypads

The project ideas…

Projects!

show text clouds !

local server…

Affordances: to give a clue• Affordances: The perceived and actual properties of an object that signal of the object can be used (from The Design of Everyday Things)

The project ideas…

Projects!

show text clouds !

local server…

Physical Affordances

Physical Affordances

What do the Zune wheel and the door handle have in common?

Virtual AffordancesClick Me Click Me

"Quiz"

Name(s):

Note the perceivedaffordances inthis interface.Are there anythat are missing?Misleading?