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Learning XNA 3.0
book

Learning XNA 3.0

by Aaron Reed
November 2008
Beginner content levelBeginner
510 pages
16h 24m
English
O'Reilly Media, Inc.
Content preview from Learning XNA 3.0

Adding a Model Manager

Again following the design from the 2D section of this game, you'll want to create a GameComponent that you'll use as a manager for all your models in this game. To add a new GameComponent, right-click the solution in Solution Explorer, select Add → New Item..., and then select the Game Component template from the list on the right. Name your class ModelManager.cs, as shown in Figure 10-4.

Adding the ModelManager class

Figure 10-4. Adding the ModelManager class

By default, the new ModelManager class will derive from GameComponent. Adding a GameComponent to the list of components in your game will sync up the GameComponent's Update method with your game's Update method (i.e., every time your game's Update method is called, your GameComponent's Update method will also be called).

To connect your ModelManager to the game loop, add a class-level variable of type ModelManager to your Game1 class:

ModelManager modelManager;

Next, in the Initialize method of your Game1 class, instantiate the model manager and add it to the list of game components:

modelManager = new ModelManager(this);
Components.Add(modelManager);

Your model manager is now connected to your game loop. You want to have your ModelManager's Update method synced with your game, but you'll also need to have a Draw method synced with your game's Draw method. To do this, you'll need to change the base class of your ModelManager to DrawableGameComponent ...

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Publisher Resources

ISBN: 9780596154905Supplemental ContentErrata Page