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Learn how to move your sprite. Also learn how to use methods of the Debug class.

Revised: Sun May 08 09:19:08 CDT 2016

This page is part of a Book titled XNA Game Studio .

Table of Contents

Preface

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.

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

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.

Figures

Listings

  • Listing 1 . Skeleton code for a new Windows Game project.
  • Listing 2 . Declare variables that specify the incremental distance to move.
  • Listing 3 . Beginning of the overridden Update method.
  • Listing 4 . Test for sprite out of bounds horizontally.
  • Listing 5 . Test for sprite out of bounds vertically.
  • Listing 6 . Change the current position of the sprite.
  • Listing 7 . The remainder of the overridden Update method.
  • Listing 8 . Overridden LoadContent method.
  • Listing 9 . The class named Game1 for the project named XNA0120Proj.

General background information

The earlier module titled Xna0118-The XNA Framework and the Game Class used a very simple XNA program to teach many of the details regarding the incorporation ofthe XNA framework into the object-oriented C# programming language.

Skeleton code

When you create a new Windows Game project using Visual C#, a source code file named Game1.cs is automatically created and opened in the editor window. The file contains skeleton code for a windows gamebased on XNA. Listing 1 shows the skeleton code contained in the file named Game1 (with most of the comments deleted for brevity).

Listing 1 . Skeleton code for a new Windows Game project.

using System; using System.Collections.Generic;using System.Linq; using Microsoft.Xna.Framework;using Microsoft.Xna.Framework.Audio; using Microsoft.Xna.Framework.Content;using Microsoft.Xna.Framework.GamerServices; using Microsoft.Xna.Framework.Graphics;using Microsoft.Xna.Framework.Input; using Microsoft.Xna.Framework.Media;namespace WindowsGame2 {public class Game1 : Microsoft.Xna.Framework.Game {GraphicsDeviceManager graphics; SpriteBatch spriteBatch;public Game1() {graphics = new GraphicsDeviceManager(this); Content.RootDirectory = "Content";} protected override void Initialize(){ // TODO: Add your initialization logic herebase.Initialize(); }protected override void LoadContent() {// Create a new SpriteBatch, which can be used to draw textures. spriteBatch = new SpriteBatch(GraphicsDevice);// TODO: use this.Content to load your game content here }protected override void UnloadContent() {// TODO: Unload any non ContentManager content here }protected override void Update(GameTime gameTime) {// Allows the game to exit if(GamePad.GetState(PlayerIndex.One).Buttons.Back==ButtonState.Pressed)this.Exit(); // TODO: Add your update logic herebase.Update(gameTime); }protected override void Draw(GameTime gameTime) {GraphicsDevice.Clear(Color.CornflowerBlue); // TODO: Add your drawing code herebase.Draw(gameTime); }} }

Questions & Answers

how can chip be made from sand
Eke Reply
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Missy Reply
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Joseph
Hello, if I study Physics teacher in bachelor, can I study Nanotechnology in master?
Lale Reply
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Lohitha
where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
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Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
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Bhagvanji
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Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
has a lot of application modern world
Kamaluddeen
yes
narayan
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Bhagvanji
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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
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
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Alexandre
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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
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LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
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Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
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Mahi
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Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
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
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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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