/// <summary>
/// Render all lines added this frame
/// </summary>
public void Render(LineManager3DLines nLines)
{
nLines.UpdateVertexBuffer();
// Need to build vertex buffer?
// Render lines if we got any lines to render
if (nLines.NumOfPrimitives > 0)
{
try
{
//engine.ActiveCamera.CameraInfo.WorldMatrix = Matrix.Identity;
//BaseGame.AlphaBlending = true;
shader.WorldViewProjection = game.Camera.ViewProjection;
game.GraphicsDevice.RenderState.AlphaBlendEnable = true;
game.GraphicsDevice.RenderState.DepthBufferEnable = true;
game.GraphicsDevice.VertexDeclaration = decl;
shader.RenderMultipass(
delegate
{
game.GraphicsDevice.DrawUserPrimitives <VertexPositionColor>(PrimitiveType.LineList, nLines.LineVertices, 0, nLines.NumOfPrimitives);
});
} // try
catch (Exception ex)
{
/*Log.Write(
* "LineManager3D.Render failed. numOfPrimitives=" + numOfPrimitives +
* ", numOfLines=" + numOfLines + ". Error: " + ex.ToString() );*/
throw ex;
} // catch (ex)
} // if (numOfVertices)
} // Render()
/// <summary>
/// Init LineManager
/// TODO: this class should be adapted so that it can be fully created even when the device isn't fully initialized.
/// </summary>
public LineManager3D(IXNAGame nGame)
{
game = nGame;
/*if ( HoofdObject.XNAGame.Graphics.GraphicsDevice == null )
* throw new NullReferenceException(
* "XNA device is not initialized, can't init line manager." );*/
lines = new LineManager3DLines();
//shader = BasicShader.LoadFromFXFile( game, game.EngineFiles.LineRenderingShader );
shader = BasicShader.LoadFromFXFile(game, game.EngineFiles.GetLineRenderingShaderStream(), null);
shader.SetTechnique("LineRendering3D");
decl = new VertexDeclaration(game.GraphicsDevice, VertexPositionColor.VertexElements);
WorldMatrix = Matrix.Identity;
} // LineManager()