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This module is one in a collection of modules designed primarily for teaching GAME 1343 Game and Simulation Programming I at Austin Community College in Austin, TX. These modules are intended tosupplement and not to replace the textbook.

The modules were originally published for use with XNA 3.1 and have been upgraded for XNA 4.0. This upgrade had very little impact on earlier modules inthis collection. However, beginning with this module, we begin to see major differences between version 3.1 and version 4.0 ofXNA. In May of 2016, the modules are being updated for use with version 4.0 Refresh . This will have very little impact on the modules. Here is what Microsoft has to say about the newer product:

Microsoft XNA Game Studio 4.0 Refresh updates XNA Game Studio 4.0 to fix bugs and add support for developing games that target WindowsPhone OS 7.1 and developing games in Visual Basic.

This course doesn't address Visual Basic or Windows Phone, but bug fixes are always welcome.

An earlier module titled Getting Started provided information on how to get started programming with Microsoft's XNA Game Studio.

Moving from C# to XNA

All of the modules prior to this one have been preparing you for this module. This is the module where we will begin applying what you have learned about C#and OOP to the XNA framework.

My objective

My objective is that you fully understand what you are doing when you write C# programs using the XNA framework. I don't want you to simply be filling inthe blanks and hacking something together in hopes that you can find a combination of statements that seems to work. If we can accomplish that, you will be prepared to go much further into the sophisticated use of the XNAframework on your own after you complete the course.

Fasten your seatbelt

This module may be a rough ride from a technical viewpoint, so fasten your seatbelt, arm yourself with a pot of coffee, and let's go.

Viewing tip

I recommend that you open another copy of this module in a separate browser window and use the following links to easily find and view the Figuresand Listings while you are reading about them.


  • Figure 1 . Initial game window.
  • Figure 2 . Raw image with an (almost) transparent background.
  • Figure 3 . Cropped upper-left corner of the game window
  • Figure 4 . Cropped upper-left corner of the game window without honoring alpha transparency.
  • Figure 5 . Select New Project on the Visual C# File menu.
  • Figure 6 . Select a Windows Game project.
  • Figure 7 . Solutions explorer and properties window exposed.
  • Figure 8 . The Load method of the ContentManager class.


  • Listing 1 . Initial contents of the file named Program.cs for a Console Application.
  • Listing 2 . The file named Program.cs for a Windows Game project.
  • Listing 3 . Initial contents of the file named Game1.cs.
  • Listing 4 . Beginning of the class named Game1.
  • Listing 5 . Constructor for the Game1 class.
  • Listing 6 . The overridden LoadContent method.
  • Listing 7 . Beginning of the Game.Draw method.
  • Listing 8 . Draw the sprite.
  • Listing 9 . Call Game.Draw on the superclass.
  • Listing 10 . The Game1 class for the project named XNA0118Proj.

Questions & Answers

do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
many many of nanotubes
what is the k.e before it land
what is the function of carbon nanotubes?
I'm interested in nanotube
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
what is system testing
what is the application of nanotechnology?
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
anybody can imagine what will be happen after 100 years from now in nano tech world
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
silver nanoparticles could handle the job?
not now but maybe in future only AgNP maybe any other nanomaterials
I'm interested in Nanotube
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Xna game studio. OpenStax CNX. Feb 28, 2014 Download for free at https://legacy.cnx.org/content/col11634/1.6
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