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Run the program

I encourage you to copy the code from Listing 13 and Listing 14 . Use that code to create an XNA project. You should be able to download suitable imagesfrom the Internet. Compile and run the project. Experiment with the code, making changes, and observing the results of your changes. Make certain that you canexplain why your changes behave as they do.

Run my text program

Click here to download a zip file containing my version of the program named XNA0132ProjA . Extract the folder named XNA0132ProjA from the zip file and save it somewhere on your disk. Start Visual C# 2010 Express and select Open Project... from the File menu. Navigate to the project folder and select the file with the extension of .sln . This should cause the project to open and be ready to run or debug as described in the earlier module titled Getting Started .

Run my game program

Click here to download a zip file containing my version of the program named XNA0132Proj . Extract the folder named XNA0132Proj from the zip file and save it somewhere on your disk. Start Visual C# 2010 Express and select Open Project... from the File menu. Navigate to the project folder and select the file with the extension of .sln . This should cause the project to open and be ready to run or debug as described in the earlier module titled Getting Started .

Summary

You learned how to write a simple game program involving user input from the keyboard and the mouse. You also learned how to create on-screen text.

What's next?

At this point, the main tool that we are missing for creating more interesting 2D arcade style games is the ability to incorporate sound effectsand music into the games. The research and study of that topic will be left as an exercise for the student.

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Xna0132-A Simple Game Program with On-Screen Text
  • File: Xna0132.htm
  • Published: 02/28/14
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale on Amazon.com showing me as the author. Ineither receive compensation for those sales nor do I know who does receive compensation. If you purchase such a book, please beaware that it is a copy of a module that is freely available on cnx.org and that it was made and published withoutmy prior knowledge.

Affiliation :: I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

Complete program listing

Listing 12 . Game1 class for project XNA0132ProjA.

/*Project XNA0132ProjA ********************************************************/using System; using Microsoft.Xna.Framework;using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; namespace XNA0132ProjA {public class Game1 : Microsoft.Xna.Framework.Game { GraphicsDeviceManager graphics;SpriteBatch spriteBatch; SpriteFont Font1;Vector2 FontPos; //-------------------------------------------------//protected override void LoadContent() { spriteBatch = new SpriteBatch(GraphicsDevice);//Create a new SpriteFont object. Font1 = Content.Load<SpriteFont>("Lindsey"); //Create a new Vector2 object to center the text// in the game window. FontPos = new Vector2(graphics.GraphicsDevice.Viewport.Width / 2, graphics.GraphicsDevice.Viewport.Height / 2);}//end LoadContent method //-------------------------------------------------//protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.CornflowerBlue);spriteBatch.Begin(); // Draw Lindsey Fontstring output = "Lindsey Font"; // Find the center of the stringVector2 FontOrigin = Font1.MeasureString(output) / 2;//Draw the string with the FontOrigin at the // position specified by FontPos.spriteBatch.DrawString( Font1,//font to useoutput,//output text FontPos,//position re upper left cornerColor.LightGreen,//color of text -45,//rotation of textFontOrigin,//place this at FontPos 2.5f,//scaleSpriteEffects.None, 0.5f);//z-order layerspriteBatch.End(); base.Draw(gameTime);}//end Draw method //-------------------------------------------------//protected override void Update(GameTime gameTime) { // Allows the game to exitif(GamePad.GetState(PlayerIndex.One). Buttons.Back == ButtonState.Pressed)this.Exit(); //No special update code required.base.Update(gameTime); }//end Update method//-------------------------------------------------// protected override void Initialize() {//Not needed base.Initialize();}//end Initialize //-------------------------------------------------//public Game1() {//Typical constructor graphics = new GraphicsDeviceManager(this);Content.RootDirectory = "Content"; }//end constructor//-------------------------------------------------// protected override void UnloadContent() {//Not needed }//end UnloadContent//-------------------------------------------------// }//end class}//end namespace

Questions & Answers

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
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
Daniel
how did you get the value of 2000N.What calculations are needed to arrive at it
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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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