public ConvexHullSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
GraphicsScreen.ClearBackground = true;
GraphicsScreen.BackgroundColor = Color.CornflowerBlue;
SetCamera(new Vector3F(0, 1, 10), 0, 0);
// Generate random points.
var points = new List <Vector3F>();
for (int i = 0; i < 100; i++)
{
points.Add(RandomHelper.Random.NextVector3F(-1, 1));
}
// Apply random transformation to points to make this sample more interesting.
Matrix44F transform = new Matrix44F(
Matrix33F.CreateRotation(RandomHelper.Random.NextQuaternionF()) * Matrix33F.CreateScale(RandomHelper.Random.NextVector3F(0.1f, 2f)),
RandomHelper.Random.NextVector3F(-1, 1));
for (int i = 0; i < points.Count; i++)
{
points[i] = transform.TransformPosition(points[i]);
}
// Compute convex hull. The result is the mesh of the hull represented as a
// Doubly-Connected Edge List (DCEL).
DcelMesh convexHull = GeometryHelper.CreateConvexHull(points);
// We don't need the DCEL representation. Let's store the hull as a simpler triangle mesh.
TriangleMesh convexHullMesh = convexHull.ToTriangleMesh();
// Compute a tight-fitting oriented bounding box.
Vector3F boundingBoxExtent; // The bounding box dimensions (widths in X, Y and Z).
Pose boundingBoxPose; // The pose (world space position and orientation) of the bounding box.
GeometryHelper.ComputeBoundingBox(points, out boundingBoxExtent, out boundingBoxPose);
// (Note: The GeometryHelper also contains methods to compute a bounding sphere.)
var debugRenderer = GraphicsScreen.DebugRenderer;
foreach (var point in points)
{
debugRenderer.DrawPoint(point, Color.White, true);
}
debugRenderer.DrawShape(new TriangleMeshShape(convexHullMesh), Pose.Identity, Vector3F.One, Color.Violet, false, false);
debugRenderer.DrawBox(boundingBoxExtent.X, boundingBoxExtent.Y, boundingBoxExtent.Z, boundingBoxPose, Color.Red, true, false);
}
/// <summary>
/// Projects a position from world space into screen space.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="position">The position in view space.</param>
/// <param name="projection">The projection matrix.</param>
/// <returns>
/// The position in screen space: The x- and y-components define the pixel position. The
/// z-component defines the depth in clip space mapped to the range
/// [<see cref="Viewport.MinDepth"/>, <see cref="Viewport.MaxDepth"/>] (usually [0, 1]).
/// </returns>
public static Vector3F Project(this Viewport viewport, Vector3F position, Matrix44F projection)
{
// Transform position to clip space. (TransformPosition() transforms the position
// to clip space and performs the homogeneous divide.)
Vector3F positionClip = projection.TransformPosition(position);
Vector3F positionScreen = new Vector3F
{
X = (1f + positionClip.X) * 0.5f * viewport.Width + viewport.X,
Y = (1f - positionClip.Y) * 0.5f * viewport.Height + viewport.Y,
Z = positionClip.Z * (viewport.MaxDepth - viewport.MinDepth) + viewport.MinDepth
};
return(positionScreen);
}
/// <summary>
/// Projects a position from world space into viewport.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="position">The position in view space.</param>
/// <param name="projection">The projection matrix.</param>
/// <returns>
/// The position in the viewport: The x- and y-components define the pixel position
/// in the range [0, viewport width/height]. The z-component defines the depth in clip space.
/// </returns>
internal static Vector3F ProjectToViewport(this Viewport viewport, Vector3F position, Matrix44F projection)
{
// Transform position to clip space. (TransformPosition() transforms the position
// to clip space and performs the homogeneous divide.)
Vector3F positionClip = projection.TransformPosition(position);
Vector3F positionScreen = new Vector3F
{
X = (1f + positionClip.X) * 0.5f * viewport.Width,
Y = (1f - positionClip.Y) * 0.5f * viewport.Height,
Z = positionClip.Z,
};
return(positionScreen);
}
/// <summary>
/// Transforms all vertices by the given matrix.
/// </summary>
/// <param name="matrix">The transformation matrix.</param>
public void Transform(Matrix44F matrix)
{
if (Vertices == null)
{
return;
}
int numberOfVertices = Vertices.Count;
for (int i = 0; i < numberOfVertices; i++)
{
Vertices[i] = matrix.TransformPosition(Vertices[i]);
}
}
public static Vector3F Unproject(this Viewport viewport, Vector3F position, Matrix44F projection)
{
Matrix44F fromClipSpace = projection.Inverse;
Vector3F positionClip = new Vector3F
{
X = (position.X - viewport.X) / viewport.Width * 2f - 1f,
Y = -((position.Y - viewport.Y) / viewport.Height * 2f - 1f),
Z = (position.Z - viewport.MinDepth) / (viewport.MaxDepth - viewport.MinDepth),
};
// Transform position from clip space to the desired coordinate space.
// (TransformPosition() undoes the homogeneous divide and transforms the
// position from clip space to the desired coordinate space.)
return(fromClipSpace.TransformPosition(positionClip));
}
public ConvexHullSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
GraphicsScreen.ClearBackground = true;
GraphicsScreen.BackgroundColor = Color.CornflowerBlue;
SetCamera(new Vector3F(0, 1, 10), 0, 0);
// Generate random points.
var points = new List<Vector3F>();
for (int i = 0; i < 100; i++)
points.Add(RandomHelper.Random.NextVector3F(-1, 1));
// Apply random transformation to points to make this sample more interesting.
Matrix44F transform = new Matrix44F(
Matrix33F.CreateRotation(RandomHelper.Random.NextQuaternionF()) * Matrix33F.CreateScale(RandomHelper.Random.NextVector3F(0.1f, 2f)),
RandomHelper.Random.NextVector3F(-1, 1));
for (int i = 0; i < points.Count; i++)
points[i] = transform.TransformPosition(points[i]);
// Compute convex hull. The result is the mesh of the hull represented as a
// Doubly-Connected Edge List (DCEL).
DcelMesh convexHull = GeometryHelper.CreateConvexHull(points);
// We don't need the DCEL representation. Let's store the hull as a simpler triangle mesh.
TriangleMesh convexHullMesh = convexHull.ToTriangleMesh();
// Compute a tight-fitting oriented bounding box.
Vector3F boundingBoxExtent; // The bounding box dimensions (widths in X, Y and Z).
Pose boundingBoxPose; // The pose (world space position and orientation) of the bounding box.
GeometryHelper.ComputeBoundingBox(points, out boundingBoxExtent, out boundingBoxPose);
// (Note: The GeometryHelper also contains methods to compute a bounding sphere.)
var debugRenderer = GraphicsScreen.DebugRenderer;
foreach (var point in points)
debugRenderer.DrawPoint(point, Color.White, true);
debugRenderer.DrawShape(new TriangleMeshShape(convexHullMesh), Pose.Identity, Vector3F.One, Color.Violet, false, false);
debugRenderer.DrawBox(boundingBoxExtent.X, boundingBoxExtent.Y, boundingBoxExtent.Z, boundingBoxPose, Color.Red, true, false);
}
/// <summary>
/// Projects a position from world space into viewport.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="position">The position in view space.</param>
/// <param name="projection">The projection matrix.</param>
/// <returns>
/// The position in the viewport: The x- and y-components define the pixel position
/// in the range [0, viewport width/height]. The z-component defines the depth in clip space.
/// </returns>
internal static Vector3F ProjectToViewport(this Viewport viewport, Vector3F position, Matrix44F projection)
{
// Transform position to clip space. (TransformPosition() transforms the position
// to clip space and performs the homogeneous divide.)
Vector3F positionClip = projection.TransformPosition(position);
Vector3F positionScreen = new Vector3F
{
X = (1f + positionClip.X) * 0.5f * viewport.Width,
Y = (1f - positionClip.Y) * 0.5f * viewport.Height,
Z = positionClip.Z,
};
return positionScreen;
}
/// <summary>
/// Projects a position from world space into screen space.
/// </summary>
/// <param name="viewport">The viewport.</param>
/// <param name="position">The position in view space.</param>
/// <param name="projection">The projection matrix.</param>
/// <returns>
/// The position in screen space: The x- and y-components define the pixel position. The
/// z-component defines the depth in clip space mapped to the range
/// [<see cref="Viewport.MinDepth"/>, <see cref="Viewport.MaxDepth"/>] (usually [0, 1]).
/// </returns>
public static Vector3F Project(this Viewport viewport, Vector3F position, Matrix44F projection)
{
// Transform position to clip space. (TransformPosition() transforms the position
// to clip space and performs the homogeneous divide.)
Vector3F positionClip = projection.TransformPosition(position);
Vector3F positionScreen = new Vector3F
{
X = (1f + positionClip.X) * 0.5f * viewport.Width + viewport.X,
Y = (1f - positionClip.Y) * 0.5f * viewport.Height + viewport.Y,
Z = positionClip.Z * (viewport.MaxDepth - viewport.MinDepth) + viewport.MinDepth
};
return positionScreen;
}
/// <summary>
/// Draws the batched primitives.
/// </summary>
/// <param name="context">The render context.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="context"/> is <see langword="null"/>.
/// </exception>
public void Render(RenderContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (Effect == null || _primitives.Count == 0)
{
return;
}
context.Validate(Effect);
context.ThrowIfCameraMissing();
var graphicsService = context.GraphicsService;
var graphicsDevice = graphicsService.GraphicsDevice;
var savedRenderState = new RenderStateSnapshot(graphicsDevice);
if (AutoRasterizerState)
{
graphicsDevice.RasterizerState = DrawWireFrame ? GraphicsHelper.RasterizerStateWireFrame : GraphicsHelper.RasterizerStateCullCounterClockwise;
}
// Sort primitives if necessary.
Matrix44F view = context.CameraNode.View;
if (SortBackToFront && _usesTransparency)
{
// Update depth (distance from camera).
foreach (var job in _primitives)
{
Vector3F position = job.Pose.Position;
job.Depth = view.TransformPosition(position).Z;
}
_primitives.Sort(PrimitiveJobDepthComparer.Instance);
}
// Reset the texture stages. If a floating point texture is set, we get exceptions
// when a sampler with bilinear filtering is set.
graphicsDevice.ResetTextures();
Effect.LightingEnabled = !DrawWireFrame;
Effect.TextureEnabled = false;
Effect.View = (Matrix)view;
Effect.Projection = context.CameraNode.Camera.Projection;
foreach (var job in _primitives)
{
Effect.Alpha = job.Color.A / 255.0f;
Effect.DiffuseColor = job.Color.ToVector3();
Effect.VertexColorEnabled = false;
switch (job.Type)
{
case PrimitiveJobType.Box:
RenderBox(graphicsService, job);
break;
case PrimitiveJobType.Capsule:
RenderCapsule(graphicsService, job);
break;
case PrimitiveJobType.Cone:
RenderCone(graphicsService, job);
break;
case PrimitiveJobType.Cylinder:
RenderCylinder(graphicsService, job);
break;
case PrimitiveJobType.ViewVolume:
RenderViewVolume(job, context);
break;
case PrimitiveJobType.Sphere:
RenderSphere(graphicsService, job, context);
break;
case PrimitiveJobType.Shape:
RenderShape(graphicsDevice, job);
break;
case PrimitiveJobType.Model:
RenderModel(graphicsDevice, job);
break;
case PrimitiveJobType.Submesh:
RenderSubmesh(job);
break;
}
}
if (DrawWireFrame)
{
_lineBatch.Render(context);
_lineBatch.Clear();
}
savedRenderState.Restore();
}
protected override void OnProcess(RenderContext context)
{
context.ThrowIfCameraMissing();
var graphicsDevice = GraphicsService.GraphicsDevice;
var renderTargetPool = GraphicsService.RenderTargetPool;
var cameraNode = context.CameraNode;
var source = context.SourceTexture;
var target = context.RenderTarget;
var viewport = context.Viewport;
Projection projection = cameraNode.Camera.Projection;
Matrix44F projMatrix = projection;
float near = projection.Near;
float far = projection.Far;
_frustumInfoParameter.SetValue(new Vector4(
projection.Left / near,
projection.Top / near,
(projection.Right - projection.Left) / near,
(projection.Bottom - projection.Top) / near));
_numberOfAOSamplesParameter.SetValue(NumberOfSamples);
// The height of a 1 unit object 1 unit in front of the camera.
// (Compute 0.5 unit multiply by 2 and divide by 2 to convert from [-1, 1] to [0, 1] range.)
float projectionScale =
projMatrix.TransformPosition(new Vector3F(0, 0.5f, -1)).Y
- projMatrix.TransformPosition(new Vector3F(0, 0, -1)).Y;
_aoParameters0.SetValue(new Vector4(
projectionScale,
Radius,
Strength / (float)Math.Pow(Radius, 6),
Bias));
_aoParameters1.SetValue(new Vector4(
viewport.Width,
viewport.Height,
far,
MaxOcclusion));
_aoParameters2.SetValue(new Vector4(
SampleDistribution,
1.0f / (EdgeSoftness + 0.001f) * far,
BlurScale,
MinBias));
context.ThrowIfGBuffer0Missing();
_gBuffer0Parameter.SetValue(context.GBuffer0);
//var view = cameraNode.View;
//_viewParameter.SetValue((Matrix)view);
//_gBuffer1Parameter.SetValue(context.GBuffer1);
// We use two temporary render targets.
var format = new RenderTargetFormat(
context.Viewport.Width,
context.Viewport.Height,
false,
SurfaceFormat.Color,
DepthFormat.None);
var tempTarget0 = renderTargetPool.Obtain2D(format);
var tempTarget1 = renderTargetPool.Obtain2D(format);
// Create SSAO.
graphicsDevice.SetRenderTarget(tempTarget0);
_createAOPass.Apply();
graphicsDevice.Clear(new Color(1.0f, 1.0f, 1.0f, 1.0f));
graphicsDevice.DrawFullScreenQuad();
// Horizontal blur.
graphicsDevice.SetRenderTarget(tempTarget1);
_occlusionTextureParameter.SetValue(tempTarget0);
_blurHorizontalPass.Apply();
graphicsDevice.DrawFullScreenQuad();
// Vertical blur
graphicsDevice.SetRenderTarget(target);
graphicsDevice.Viewport = viewport;
_occlusionTextureParameter.SetValue(tempTarget1);
if (!CombineWithSource)
{
_blurVerticalPass.Apply();
}
else
{
if (_sourceTextureParameter != null)
{
_sourceTextureParameter.SetValue(source);
}
if (TextureHelper.IsFloatingPointFormat(source.Format))
{
graphicsDevice.SamplerStates[0] = SamplerState.PointClamp;
}
else
{
graphicsDevice.SamplerStates[0] = SamplerState.LinearClamp;
}
_blurVerticalAndCombinePass.Apply();
}
graphicsDevice.DrawFullScreenQuad();
// Clean up.
renderTargetPool.Recycle(tempTarget0);
renderTargetPool.Recycle(tempTarget1);
if (_sourceTextureParameter != null)
{
_sourceTextureParameter.SetValue((Texture2D)null);
}
_occlusionTextureParameter.SetValue((Texture2D)null);
_gBuffer0Parameter.SetValue((Texture2D)null);
//_gBuffer1Parameter.SetValue((Texture2D)null);
context.SourceTexture = source;
context.RenderTarget = target;
context.Viewport = viewport;
}
/// <summary>
/// Transforms all vertices by the given matrix.
/// </summary>
/// <param name="matrix">The transformation matrix.</param>
public void Transform(Matrix44F matrix)
{
if (Vertices == null)
return;
int numberOfVertices = Vertices.Count;
for (int i = 0; i < numberOfVertices; i++)
Vertices[i] = matrix.TransformPosition(Vertices[i]);
}
private static void CacheVertexBuffer(FigureNode node, GraphicsDevice graphicsDevice)
{
var figureRenderData = node.Figure.RenderData;
var nodeRenderData = (FigureNodeRenderData)node.RenderData;
Vector3F[] positions = figureRenderData.Vertices.Array;
#region ----- Cache vertex/index buffer for fill. -----
var fillIndices = figureRenderData.FillIndices;
if (fillIndices != null &&
fillIndices.Count > 0 &&
!Numeric.IsZero(node.FillAlpha))
{
// This code is similar to the code in Fill().
Matrix44F world = node.PoseWorld * Matrix44F.CreateScale(node.ScaleWorld);
Vector3F color3F = node.FillColor * node.FillAlpha;
Color color = new Color(color3F.X, color3F.Y, color3F.Z, node.FillAlpha);
int numberOfVertices = figureRenderData.Vertices.Count;
int numberOfIndices = figureRenderData.FillIndices.Count;
VertexPositionColor[] vertices = new VertexPositionColor[numberOfVertices];
// Copy all vertices.
for (int i = 0; i < numberOfVertices; i++)
{
vertices[i].Position = (Vector3)world.TransformPosition(positions[i]);
vertices[i].Color = color;
}
nodeRenderData.FillVertexBuffer = new VertexBuffer(
graphicsDevice,
VertexPositionColor.VertexDeclaration,
numberOfVertices,
BufferUsage.WriteOnly);
nodeRenderData.FillVertexBuffer.SetData(vertices);
if (numberOfVertices <= ushort.MaxValue)
{
// Copy all indices from int[] to ushort[].
int[] int32Indices = figureRenderData.FillIndices.Array;
ushort[] indices = new ushort[numberOfIndices];
for (int i = 0; i < numberOfIndices; i++)
{
indices[i] = (ushort)int32Indices[i];
}
nodeRenderData.FillIndexBuffer = new IndexBuffer(
graphicsDevice,
IndexElementSize.SixteenBits,
numberOfIndices,
BufferUsage.WriteOnly);
nodeRenderData.FillIndexBuffer.SetData(indices);
}
else
{
nodeRenderData.FillIndexBuffer = new IndexBuffer(
graphicsDevice,
IndexElementSize.ThirtyTwoBits,
numberOfIndices,
BufferUsage.WriteOnly);
// Note: The FillIndices.Array may contain more than numberOfIndices entries! -->
// Specify number of indices explicitly!
nodeRenderData.FillIndexBuffer.SetData(figureRenderData.FillIndices.Array, 0, numberOfIndices);
}
}
#endregion
#region ----- Cache vertex/index buffer for stroke. -----
var strokeIndices = figureRenderData.StrokeIndices;
if (strokeIndices != null &&
strokeIndices.Count > 0 &&
!Numeric.IsZero(node.StrokeThickness) &&
!Numeric.IsZero(node.StrokeAlpha))
{
// This code is similar to the code in Stroke() and in the ctor.
Matrix44F world = node.PoseWorld * Matrix44F.CreateScale(node.ScaleWorld);
float thickness = node.StrokeThickness;
Vector3F color3F = node.StrokeColor * node.StrokeAlpha;
HalfVector4 color = new HalfVector4(color3F.X, color3F.Y, color3F.Z, node.StrokeAlpha);
Vector4F dash = node.StrokeDashPattern * node.StrokeThickness;
bool usesDashPattern = (dash.Y + dash.Z) != 0;
HalfVector4 dashSum = new HalfVector4(
dash.X,
dash.X + dash.Y,
dash.X + dash.Y + dash.Z,
dash.X + dash.Y + dash.Z + dash.W);
// Convert to vertices.
float lastDistance = 0;
Vector3F lastPosition = new Vector3F(float.NaN);
Vector3F lastWorld = new Vector3F();
HalfVector4 data0 = new HalfVector4(0, 1, thickness, 0);
HalfVector4 data1 = new HalfVector4(0, 0, thickness, 0);
HalfVector4 data2 = new HalfVector4(1, 0, thickness, 0);
HalfVector4 data3 = new HalfVector4(1, 1, thickness, 0);
int[] figureIndices = strokeIndices.Array;
int numberOfLineSegments = strokeIndices.Count / 2;
int numberOfVertices = numberOfLineSegments * 4;
StrokeVertex[] vertices = new StrokeVertex[numberOfVertices];
for (int i = 0; i < numberOfLineSegments; i++)
{
int startIndex = figureIndices[i * 2 + 0];
int endIndex = figureIndices[i * 2 + 1];
Vector3F start = positions[startIndex];
Vector3F end = positions[endIndex];
bool notConnectedWithLast = start != lastPosition;
lastPosition = end;
Vector3F startWorld = notConnectedWithLast ? world.TransformPosition(start) : lastWorld;
Vector3F endWorld = world.TransformPosition(end);
lastWorld = endWorld;
// Compute start/end distances of lines from beginning of line strip
// for dash patterns.
float startDistance = 0;
float endDistance = 1;
if (usesDashPattern)
{
Debug.Assert(node.DashInWorldSpace, "Cannot cache vertex buffer for figure with screen-space dash patterns.");
if (notConnectedWithLast)
{
lastDistance = 0;
}
startDistance = lastDistance;
endDistance = startDistance + (endWorld - startWorld).Length;
lastDistance = endDistance;
// The shader needs to know that DashInWorldSpace is true. To avoid
// effect parameter changes, we store the value in the sign of the distance!
startDistance = -startDistance;
endDistance = -endDistance;
}
Vector4 s = new Vector4(startWorld.X, startWorld.Y, startWorld.Z, startDistance);
Vector4 e = new Vector4(endWorld.X, endWorld.Y, endWorld.Z, endDistance);
vertices[i * 4 + 0].Start = s;
vertices[i * 4 + 0].End = e;
vertices[i * 4 + 0].Data = data0;
vertices[i * 4 + 0].Color = color;
vertices[i * 4 + 0].Dash = dashSum;
vertices[i * 4 + 1].Start = s;
vertices[i * 4 + 1].End = e;
vertices[i * 4 + 1].Data = data1;
vertices[i * 4 + 1].Color = color;
vertices[i * 4 + 1].Dash = dashSum;
vertices[i * 4 + 2].Start = s;
vertices[i * 4 + 2].End = e;
vertices[i * 4 + 2].Data = data2;
vertices[i * 4 + 2].Color = color;
vertices[i * 4 + 2].Dash = dashSum;
vertices[i * 4 + 3].Start = s;
vertices[i * 4 + 3].End = e;
vertices[i * 4 + 3].Data = data3;
vertices[i * 4 + 3].Color = color;
vertices[i * 4 + 3].Dash = dashSum;
}
nodeRenderData.StrokeVertexBuffer = new VertexBuffer(
graphicsDevice,
StrokeVertex.VertexDeclaration,
vertices.Length,
BufferUsage.WriteOnly);
nodeRenderData.StrokeVertexBuffer.SetData(vertices);
// Create stroke indices.
int numberOfIndices = numberOfLineSegments * 6;
if (numberOfVertices <= ushort.MaxValue)
{
ushort[] indices = new ushort[numberOfIndices];
for (int i = 0; i < numberOfLineSegments; i++)
{
// Create index buffer for quad (= two triangles, clockwise).
// 1--2
// | /|
// |/ |
// 0--3
indices[i * 6 + 0] = (ushort)(i * 4 + 0);
indices[i * 6 + 1] = (ushort)(i * 4 + 1);
indices[i * 6 + 2] = (ushort)(i * 4 + 2);
indices[i * 6 + 3] = (ushort)(i * 4 + 0);
indices[i * 6 + 4] = (ushort)(i * 4 + 2);
indices[i * 6 + 5] = (ushort)(i * 4 + 3);
}
nodeRenderData.StrokeIndexBuffer = new IndexBuffer(
graphicsDevice,
IndexElementSize.SixteenBits,
numberOfIndices,
BufferUsage.WriteOnly);
nodeRenderData.StrokeIndexBuffer.SetData(indices);
}
else
{
int[] indices = new int[numberOfIndices];
for (int i = 0; i < numberOfLineSegments; i++)
{
// Create index buffer for quad (= two triangles, clockwise).
// 1--2
// | /|
// |/ |
// 0--3
indices[i * 6 + 0] = i * 4 + 0;
indices[i * 6 + 1] = i * 4 + 1;
indices[i * 6 + 2] = i * 4 + 2;
indices[i * 6 + 3] = i * 4 + 0;
indices[i * 6 + 4] = i * 4 + 2;
indices[i * 6 + 5] = i * 4 + 3;
}
nodeRenderData.StrokeIndexBuffer = new IndexBuffer(
graphicsDevice,
IndexElementSize.ThirtyTwoBits,
numberOfIndices,
BufferUsage.WriteOnly);
nodeRenderData.StrokeIndexBuffer.SetData(indices);
}
}
#endregion
nodeRenderData.IsValid = true;
}
private void Fill(FigureNode node, ArrayList <Vector3F> vertices, ArrayList <int> indices)
{
if (_mode != RenderMode.Fill)
{
Flush();
_fillEffect.CurrentTechnique.Passes[0].Apply();
_mode = RenderMode.Fill;
}
// Use cached vertex buffer if available.
var nodeRenderData = node.RenderData as FigureNodeRenderData;
if (nodeRenderData != null && nodeRenderData.IsValid)
{
Flush();
var graphicsDevice = _graphicsService.GraphicsDevice;
graphicsDevice.SetVertexBuffer(nodeRenderData.FillVertexBuffer);
graphicsDevice.Indices = nodeRenderData.FillIndexBuffer;
int primitiveCount = nodeRenderData.FillIndexBuffer.IndexCount / 3;
#if MONOGAME
graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, primitiveCount);
#else
int vertexCount = nodeRenderData.FillVertexBuffer.VertexCount;
graphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, vertexCount, 0, primitiveCount);
#endif
return;
}
Matrix44F world = node.PoseWorld * Matrix44F.CreateScale(node.ScaleWorld);
Vector3F color3F = node.FillColor * node.FillAlpha;
Color color = new Color(color3F.X, color3F.Y, color3F.Z, node.FillAlpha);
var numberOfVertices = vertices.Count;
var numberOfIndices = indices.Count;
VertexPositionColor[] batchVertices = _fillBatch.Vertices;
ushort[] batchIndices = _fillBatch.Indices;
if (numberOfVertices > batchVertices.Length || numberOfIndices > batchIndices.Length)
{
string message = string.Format(
CultureInfo.InvariantCulture,
"The BufferSize of this FigureRenderer is not large enough to render the FigureNode (Name = \"{0}\").",
node.Name);
throw new GraphicsException(message);
}
int vertexBufferStartIndex, indexBufferStartIndex;
_fillBatch.Submit(PrimitiveType.TriangleList, numberOfVertices, numberOfIndices,
out vertexBufferStartIndex, out indexBufferStartIndex);
// Copy all vertices.
Vector3F[] vertexArray = vertices.Array;
for (int i = 0; i < numberOfVertices; i++)
{
batchVertices[vertexBufferStartIndex + i].Position = (Vector3)(world.TransformPosition(vertexArray[i]));
batchVertices[vertexBufferStartIndex + i].Color = color;
}
// Copy all indices.
int[] indexArray = indices.Array;
for (int i = 0; i < numberOfIndices; i++)
{
batchIndices[indexBufferStartIndex + i] = (ushort)(vertexBufferStartIndex + indexArray[i]);
}
}
