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Figure 2 . A top row image.

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Figure 3 . A bottom row image.

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Figure 4 . A bottom row image flipped horizontally.

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Figure 5 . A top row image flipped horizontally.

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You should be able to correlate the images of the dog shown in Figure 2 through Figure 5 with the individual images shown in Figure 1 . Note, however, that the images in Figure 4 and Figure 5 were flipped horizontally so that the dog would be facing the correctway when moving from left to right across the game window.

Discussion and sample code

I will explain the code in this program in fragments, and I will only discuss the code that I modified relative to the skeleton code produced by Visual C#when I created the project. A complete listing of the file named Game1.cs is shown in Listing 14 near the end of the module.

The class named Game1

The class named Game1 begins in Listing 1 .

Listing 1 . Beginning of the class named Game1.

namespace XNA0122Proj { public class Game1 : Microsoft.Xna.Framework.Game {//Declare and populate instance variablesGraphicsDeviceManager graphics; SpriteBatch spriteBatch;Texture2D myTexture; Vector2 spritePosition = new Vector2(0.0f,0.0f);int slide = 8;//Used to move sprite across screen. int scale = 4;//Size scale factor.int fast = 175;//Used for fast frame rate. int slow = 525;//Used for slow frame rate.int msPerFrame = 0;//Gets set for fast or slow. int msElapsed;//Time since last new frame.int spriteCol;//Sprite column counter. int spriteColLim = 5;//Number of sprite columns.int spriteRow;//Sprite row counter. int spriteRowLim = 2;//Number of sprite rows.int frameWidth;//Width of an individual image int frameHeight;//Height of an individual imageint xStart;//Corner of frame rectangle int yStart;//Corner of frame rectangleSpriteEffects noEffect = SpriteEffects.None; SpriteEffects flipEffect =SpriteEffects.FlipHorizontally; SpriteEffects spriteEffect;//noEffect or flipEffectint winWidth;//Width of the game window. int funSequenceCnt = 0;int pauseSequenceCnt = 0;

Listing 1 declares a large number of instance variables that are used by code throughout the program. I will explain the purpose of the instance variableswhen we encounter them in the program code later.

The modified constructor for the Game1 class

The constructor for the Game1 class is shown in Listing 2 .

Listing 2 . The constructor for the Game1 class.

public Game1() {//constructor graphics = new GraphicsDeviceManager(this);Content.RootDirectory = "Content"; //Set the size of the game window.graphics.PreferredBackBufferWidth = 450; graphics.PreferredBackBufferHeight = 100;}// end constructor

I added the last two statements to the standard constructor that is generated by Visual C# when you create a new project.

Although it isn't very clear in the documentation , the values for PreferredBackBufferWidth and PreferredBackBufferHeight set the size of the game window provided that they are consistent with the screen resolution. These twostatements caused the game window to be small as shown in Figure 2 instead of the default size.

Questions & Answers

find the 15th term of the geometric sequince whose first is 18 and last term of 387
Jerwin Reply
I know this work
The given of f(x=x-2. then what is the value of this f(3) 5f(x+1)
virgelyn Reply
hmm well what is the answer
how do they get the third part x = (32)5/4
kinnecy Reply
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
okay, so you have 6 raised to the power of 2. what is that part of your answer
I don't understand what the A with approx sign and the boxed x mean
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
I'm not sure why it wrote it the other way
I got X =-6
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
oops. ignore that.
so you not have an equal sign anywhere in the original equation?
is it a question of log
I rally confuse this number And equations too I need exactly help
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Commplementary angles
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im all ears I need to learn
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what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
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Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris 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
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I'm interested in nanotube
what is nanomaterials​ and their applications of sensors.
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what is nano technology
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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
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
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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