// the constructor creates a new PrimitiveBatch and sets up all of the internals
// that PrimitiveBatch will need.
public PrimitiveBatch(XNA2DCamera camera, GraphicsDevice graphicsDevice)
{
mCamera = camera;
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
device = graphicsDevice;
// create a vertex declaration, which tells the graphics card what kind of
// data to expect during a draw call. We're drawing using
// VertexPositionColors, so we'll use those vertex elements.
vertexDeclaration = new VertexDeclaration(graphicsDevice,
VertexPositionColor.VertexElements);
// set up a new basic effect, and enable vertex colors.
basicEffect = new BasicEffect(graphicsDevice, null);
basicEffect.VertexColorEnabled = true;
// projection uses CreateOrthographicOffCenter to create 2d projection
// matrix with 0,0 in the upper left.
basicEffect.Projection = Matrix.CreateOrthographicOffCenter
(0, graphicsDevice.Viewport.Width,
graphicsDevice.Viewport.Height, 0,
0, 1);
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
base.Initialize();
mCamera = new XNA2DCamera(graphics.GraphicsDevice);
mGameWorld = new GameWorldCore(graphics, mContent, this);
mGameMouse = new GameMouse(graphics, mContent);
}
