public void AddLine(VertexPositionColor start, VertexPositionColor end)
{
if (lastComponent.currentIndex >= (lastComponent.vertices.Length - 2))
{
qComponents.Enqueue(lastComponent);
lastComponent = new StaticLineBatchComponent();
//lastComponent = slbComponent;
lastComponent.vertexDeclaration = new VertexDeclaration(graphicsDevice,
VertexPositionColor.VertexElements);
lastComponent.vertices = new VertexPositionColor[maxVertexCount];
lastComponent.currentIndex = 0;
lastComponent.lineCount = 0;
batchDirty = false;
}
lastComponent.vertices[lastComponent.currentIndex++] = start;
lastComponent.vertices[lastComponent.currentIndex++] = end;
lastComponent.lineCount++;
batchDirty = true;
}
public void Draw()
{
if (batchDirty)
{
qComponents.Enqueue(lastComponent);
lastComponent = new StaticLineBatchComponent();
//lastComponent = slbComponent;
lastComponent.vertexDeclaration = new VertexDeclaration(graphicsDevice,
VertexPositionColor.VertexElements);
lastComponent.vertices = new VertexPositionColor[maxVertexCount];
lastComponent.currentIndex = 0;
lastComponent.lineCount = 0;
batchDirty = false;
}
// configure the graphics device to render our lines
graphicsDevice.RenderState.AlphaBlendEnable = true;
graphicsDevice.RenderState.SourceBlend = Blend.SourceAlpha;
graphicsDevice.RenderState.DestinationBlend = Blend.InverseSourceAlpha;
if (camera != null)
{
effect.World =
rotation *
Matrix.CreateTranslation(position);
effect.View = Matrix.CreateLookAt(
camera.VectorPos,
camera.VectorLook,
camera.VectorUp
);
effect.Projection = Matrix.CreatePerspectiveFieldOfView(
MathHelper.ToRadians(45.0f),
800.0f / 600.0f, 1.0f, 10000.0f);
}
foreach (StaticLineBatchComponent component in qComponents)
{
if (component.vertexDeclaration != null) // TODO: Investigate this
{
//Console.WriteLine(number);
graphicsDevice.VertexDeclaration = component.vertexDeclaration;
effect.Begin();
for (int i = 0; i < effect.CurrentTechnique.Passes.Count; i++)
{
effect.CurrentTechnique.Passes[i].Begin();
graphicsDevice.DrawUserPrimitives <VertexPositionColor>(
PrimitiveType.LineList, component.vertices, 0, component.lineCount);
effect.CurrentTechnique.Passes[i].End();
}
effect.End();
}
}
}
public void Dispose()
{
if (effect != null)
{
effect.Dispose();
effect = null;
}
while (qComponents.Count > 0)
{
StaticLineBatchComponent componentToRemove = qComponents.Dequeue();
if (componentToRemove.vertexDeclaration != null)
{
componentToRemove.vertexDeclaration.Dispose();
componentToRemove.vertexDeclaration = null;
}
}
} // public void Dispose()
public StaticLineBatch(GraphicsDevice graphicsDevice)
{
// assign the graphics device parameter after safety-checking
if (graphicsDevice == null)
{
throw new ArgumentNullException("graphicsDevice");
}
this.graphicsDevice = graphicsDevice;
batchDirty = false;
// create and configure the effect
this.effect = new BasicEffect(graphicsDevice, null);
this.effect.VertexColorEnabled = true;
this.effect.TextureEnabled = false;
this.effect.LightingEnabled = false;
// configure the effect
this.effect.World = Matrix.Identity;
this.effect.View = Matrix.CreateLookAt(Vector3.Zero, Vector3.Forward,
Vector3.Up);
this.qComponents = new Queue <StaticLineBatchComponent>();
lastComponent = new StaticLineBatchComponent();
//lastComponent = slbComponent;
//qComponents.Enqueue(lastComponent);
batchDirty = true;
lastComponent.vertexDeclaration = new VertexDeclaration(graphicsDevice,
VertexPositionColor.VertexElements);
lastComponent.vertices = new VertexPositionColor[maxVertexCount];
lastComponent.currentIndex = 0;
lastComponent.lineCount = 0;
}
