Game Development Reference
In-Depth Information
using
Microsoft.Xna.Framework;
1
using
Microsoft.Xna.Framework.Graphics;
2
using
Microsoft.Xna.Framework.Input;
3
4
5
class
Balloon : Game
{
6
GraphicsDeviceManager graphics;
7
SpriteBatch spriteBatch;
8
Texture2D balloon, background;
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Vector2 balloonPosition;
10
11
12
static void
Main()
{
13
Balloon game =
new
Balloon();
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game.Run();
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}
16
17
18
public
Balloon()
{
19
Content.RootDirectory = "Content";
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graphics =
new
GraphicsDeviceManager(
this
);
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}
22
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protected override void
LoadContent()
{
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spriteBatch =
new
SpriteBatch(GraphicsDevice);
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balloon = Content.Load<Texture2D>("spr_lives");
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background = Content.Load<Texture2D>("spr_background");
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}
29
30
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protected override void
Update(GameTime gameTime)
{
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MouseState currentMouseState = Mouse.GetState();
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balloonPosition =
new
Vector2(currentMouseState.X, currentMouseState.Y);
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}
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36
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protected override void
Draw(GameTime gameTime)
{
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GraphicsDevice.Clear(Color.White);
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spriteBatch.Begin();
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spriteBatch.Draw(background, Vector2.Zero, Color.White);
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spriteBatch.Draw(balloon, balloonPosition, Color.White);
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spriteBatch.End();
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}
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}
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Listing 5.1
A program that shows a balloon following the mouse
