public override unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey *sortKeys)
{
Matrix viewInverse = renderView.View;
viewInverse.Invert();
var plane = new Plane(viewInverse.Forward, Vector3.Dot(viewInverse.TranslationVector, viewInverse.Forward)); // TODO: Point-normal-constructor seems wrong. Check.
var renderNodes = renderViewStage.RenderNodes;
int distanceShift = 32 - distancePrecision;
int stateShift = 32 - statePrecision;
for (int i = 0; i < renderNodes.Count; ++i)
{
var renderNode = renderNodes[i];
var renderObject = renderNode.RenderObject;
var distance = CollisionHelper.DistancePlanePoint(ref plane, ref renderObject.BoundingBox.Center);
var distanceI = ComputeDistance(distance);
if (reverseDistance)
{
distanceI = ~distanceI;
}
// Compute sort key
sortKeys[i] = new SortKey {
Value = ((ulong)renderNode.RootRenderFeature.SortKey << 56) | ((ulong)(distanceI >> distanceShift) << distancePosition) | ((ulong)(renderObject.StateSortKey >> stateShift) << statePosition), Index = i, StableIndex = renderObject.Index
};
}
}
public override unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey* sortKeys)
{
Matrix viewInverse = renderView.View;
viewInverse.Invert();
var plane = new Plane(viewInverse.Forward, Vector3.Dot(viewInverse.TranslationVector, viewInverse.Forward)); // TODO: Point-normal-constructor seems wrong. Check.
var renderNodes = renderViewStage.RenderNodes;
int distanceShift = 32 - distancePrecision;
int stateShift = 32 - statePrecision;
for (int i = 0; i < renderNodes.Count; ++i)
{
var renderNode = renderNodes[i];
var renderObject = renderNode.RenderObject;
var distance = CollisionHelper.DistancePlanePoint(ref plane, ref renderObject.BoundingBox.Center);
var distanceI = ComputeDistance(distance);
if (reverseDistance)
distanceI = ~distanceI;
// Compute sort key
sortKeys[i] = new SortKey { Value = ((ulong)renderNode.RootRenderFeature.SortKey << 56) | ((ulong)(distanceI >> distanceShift) << distancePosition) | ((ulong)(renderObject.StateSortKey >> stateShift) << statePosition), Index = i };
}
}
/// <inheritdoc/>
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage)
{
foreach (var renderFeature in RenderFeatures)
{
renderFeature.Draw(context, renderView, renderViewStage);
}
}
public void Draw(RenderDrawContext renderDrawContext, RenderView renderView, RenderStage renderStage)
{
// Sync point: draw (from now, we should execute with a graphics device context to perform rendering)
// Look for the RenderViewStage corresponding to this RenderView | RenderStage combination
RenderViewStage renderViewStage = null;
foreach (var currentRenderViewStage in renderView.RenderStages)
{
if (currentRenderViewStage.RenderStage == renderStage)
{
renderViewStage = currentRenderViewStage;
break;
}
}
if (renderViewStage == null)
{
throw new InvalidOperationException("Requested RenderView|RenderStage combination doesn't exist. Please add it to RenderView.RenderStages.");
}
// Generate and execute draw jobs
var renderNodes = renderViewStage.SortedRenderNodes;
var renderNodeCount = renderViewStage.RenderNodes.Count;
int currentStart, currentEnd;
for (currentStart = 0; currentStart < renderNodeCount; currentStart = currentEnd)
{
var currentRenderFeature = renderNodes[currentStart].RootRenderFeature;
currentEnd = currentStart + 1;
while (currentEnd < renderNodeCount && renderNodes[currentEnd].RootRenderFeature == currentRenderFeature)
{
currentEnd++;
}
// Divide into task chunks for parallelism
currentRenderFeature.Draw(renderDrawContext, renderView, renderViewStage, currentStart, currentEnd);
}
}
/// <summary>
/// Performs GPU updates and/or draw.
/// </summary>
/// <param name="context"></param>
/// <param name="renderView"></param>
/// <param name="renderViewStage"></param>
/// <param name="startIndex"></param>
/// <param name="endIndex"></param>
public virtual void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
}
/// <inheritdoc/>
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
var commandList = context.CommandList;
foreach (var renderFeature in RenderFeatures)
{
renderFeature.Draw(context, renderView, renderViewStage, startIndex, endIndex);
}
// TODO: stackalloc?
var descriptorSetsLocal = descriptorSets.Value;
if (descriptorSetsLocal == null || descriptorSetsLocal.Length < EffectDescriptorSetSlotCount)
{
descriptorSetsLocal = descriptorSets.Value = new DescriptorSet[EffectDescriptorSetSlotCount];
}
MeshDraw currentDrawData = null;
for (int index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
var renderNode = GetRenderNode(renderNodeReference);
var renderMesh = (RenderMesh)renderNode.RenderObject;
var drawData = renderMesh.ActiveMeshDraw;
// Get effect
// TODO: Use real effect slot
var renderEffect = renderNode.RenderEffect;
if (renderEffect.Effect == null)
{
continue;
}
// Bind VB
if (currentDrawData != drawData)
{
for (int i = 0; i < drawData.VertexBuffers.Length; i++)
{
var vertexBuffer = drawData.VertexBuffers[i];
commandList.SetVertexBuffer(i, vertexBuffer.Buffer, vertexBuffer.Offset, vertexBuffer.Stride);
}
if (drawData.IndexBuffer != null)
{
commandList.SetIndexBuffer(drawData.IndexBuffer.Buffer, drawData.IndexBuffer.Offset, drawData.IndexBuffer.Is32Bit);
}
currentDrawData = drawData;
}
var resourceGroupOffset = ComputeResourceGroupOffset(renderNodeReference);
// Update cbuffer
renderEffect.Reflection.BufferUploader.Apply(context.CommandList, ResourceGroupPool, resourceGroupOffset);
// Bind descriptor sets
for (int i = 0; i < descriptorSetsLocal.Length; ++i)
{
var resourceGroup = ResourceGroupPool[resourceGroupOffset++];
if (resourceGroup != null)
{
descriptorSetsLocal[i] = resourceGroup.DescriptorSet;
}
}
commandList.SetPipelineState(renderEffect.PipelineState);
commandList.SetDescriptorSets(0, descriptorSetsLocal);
// Draw
if (drawData.IndexBuffer == null)
{
commandList.Draw(drawData.DrawCount, drawData.StartLocation);
}
else
{
commandList.DrawIndexed(drawData.DrawCount, drawData.StartLocation);
}
}
}
public void Draw(RenderDrawContext renderDrawContext, RenderView renderView, RenderStage renderStage)
{
// Sync point: draw (from now, we should execute with a graphics device context to perform rendering)
// Look for the RenderViewStage corresponding to this RenderView | RenderStage combination
RenderViewStage renderViewStage = null;
foreach (var currentRenderViewStage in renderView.RenderStages)
{
if (currentRenderViewStage.RenderStage == renderStage)
{
renderViewStage = currentRenderViewStage;
break;
}
}
if (renderViewStage == null)
{
throw new InvalidOperationException("Requested RenderView|RenderStage combination doesn't exist. Please add it to RenderView.RenderStages.");
}
// Generate and execute draw jobs
var renderNodes = renderViewStage.SortedRenderNodes;
var renderNodeCount = renderViewStage.RenderNodes.Count;
if (renderNodeCount == 0)
{
return;
}
if (!GraphicsDevice.IsDeferred)
{
int currentStart, currentEnd;
for (currentStart = 0; currentStart < renderNodeCount; currentStart = currentEnd)
{
var currentRenderFeature = renderNodes[currentStart].RootRenderFeature;
currentEnd = currentStart + 1;
while (currentEnd < renderNodeCount && renderNodes[currentEnd].RootRenderFeature == currentRenderFeature)
{
currentEnd++;
}
// Divide into task chunks for parallelism
currentRenderFeature.Draw(renderDrawContext, renderView, renderViewStage, currentStart, currentEnd);
}
}
else
{
// Create at most one batch per processor
int batchCount = Math.Min(Environment.ProcessorCount, renderNodeCount);
int batchSize = (renderNodeCount + (batchCount - 1)) / batchCount;
batchCount = (renderNodeCount + (batchSize - 1)) / batchSize;
// Remember state
var depthStencilBuffer = renderDrawContext.CommandList.DepthStencilBuffer;
var renderTargetView = renderDrawContext.CommandList.RenderTargetCount > 0 ? renderDrawContext.CommandList.RenderTarget : null;
var viewport = renderDrawContext.CommandList.Viewport;
// Collect one command list per batch and the main one up to this point
if (commandLists == null || commandLists.Length < batchCount + 1)
{
Array.Resize(ref commandLists, batchCount + 1);
}
commandLists[0] = renderDrawContext.CommandList.Close();
Dispatcher.For(0, batchCount, () => renderDrawContext.RenderContext.GetThreadContext(), (batchIndex, threadContext) =>
{
threadContext.CommandList.Reset();
threadContext.CommandList.ClearState();
// Transfer state to all command lists
threadContext.CommandList.SetRenderTarget(depthStencilBuffer, renderTargetView);
threadContext.CommandList.SetViewport(viewport);
var currentStart = batchSize * batchIndex;
int currentEnd;
var endExclusive = Math.Min(renderNodeCount, currentStart + batchSize);
if (endExclusive <= currentStart)
{
return;
}
for (; currentStart < endExclusive; currentStart = currentEnd)
{
var currentRenderFeature = renderNodes[currentStart].RootRenderFeature;
currentEnd = currentStart + 1;
while (currentEnd < endExclusive && renderNodes[currentEnd].RootRenderFeature == currentRenderFeature)
{
currentEnd++;
}
// Divide into task chunks for parallelism
currentRenderFeature.Draw(threadContext, renderView, renderViewStage, currentStart, currentEnd);
}
commandLists[batchIndex + 1] = threadContext.CommandList.Close();
});
GraphicsDevice.ExecuteCommandLists(batchCount + 1, commandLists);
renderDrawContext.CommandList.Reset();
renderDrawContext.CommandList.ClearState();
// Reapply previous state
renderDrawContext.CommandList.SetRenderTarget(depthStencilBuffer, renderTargetView);
renderDrawContext.CommandList.SetViewport(viewport);
}
}
/// <inheritdoc/>
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
var commandList = context.CommandList;
foreach (var renderFeature in RenderFeatures)
{
renderFeature.Draw(context, renderView, renderViewStage, startIndex, endIndex);
}
var descriptorSets = new DescriptorSet[EffectDescriptorSetSlotCount];
MeshDraw currentDrawData = null;
for (int index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
var renderNode = GetRenderNode(renderNodeReference);
var renderMesh = (RenderMesh)renderNode.RenderObject;
var drawData = renderMesh.ActiveMeshDraw;
// Get effect
// TODO: Use real effect slot
var renderEffect = renderNode.RenderEffect;
if (renderEffect.Effect == null)
continue;
// Bind VB
if (currentDrawData != drawData)
{
for (int i = 0; i < drawData.VertexBuffers.Length; i++)
{
var vertexBuffer = drawData.VertexBuffers[i];
commandList.SetVertexBuffer(i, vertexBuffer.Buffer, vertexBuffer.Offset, vertexBuffer.Stride);
}
if (drawData.IndexBuffer != null)
commandList.SetIndexBuffer(drawData.IndexBuffer.Buffer, drawData.IndexBuffer.Offset, drawData.IndexBuffer.Is32Bit);
currentDrawData = drawData;
}
var resourceGroupOffset = ComputeResourceGroupOffset(renderNodeReference);
// Update cbuffer
renderEffect.Reflection.BufferUploader.Apply(context.CommandList, ResourceGroupPool, resourceGroupOffset);
// Bind descriptor sets
for (int i = 0; i < descriptorSets.Length; ++i)
{
var resourceGroup = ResourceGroupPool[resourceGroupOffset++];
if (resourceGroup != null)
descriptorSets[i] = resourceGroup.DescriptorSet;
}
commandList.SetPipelineState(renderEffect.PipelineState);
commandList.SetDescriptorSets(0, descriptorSets);
// Draw
if (drawData.IndexBuffer == null)
{
commandList.Draw(drawData.DrawCount, drawData.StartLocation);
}
else
{
commandList.DrawIndexed(drawData.DrawCount, drawData.StartLocation);
}
}
}
public abstract unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey* sortKeys);
public abstract bool IsVisible(RenderObject renderObject, RenderView renderView, RenderViewStage renderViewStage);
/// <inheritdoc/>
public override unsafe void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
var commandList = context.CommandList;
// Per view - this code was moved here from Prepare(...) so that we can apply the correct Viewport
{
var view = renderView;
var viewFeature = view.Features[Index];
Matrix.Multiply(ref view.View, ref view.Projection, out view.ViewProjection);
// Copy ViewProjection to PerFrame cbuffer
foreach (var viewLayout in viewFeature.Layouts)
{
var resourceGroup = viewLayout.Entries[view.Index].Resources;
var mappedCB = resourceGroup.ConstantBuffer.Data;
// PerView constant buffer
var perViewOffset = viewLayout.GetConstantBufferOffset(this.perViewCBufferOffset);
if (perViewOffset != -1)
{
var perView = (ParticleUtilitiesPerView*)((byte*)mappedCB + perViewOffset);
perView->ViewMatrix = view.View;
perView->ProjectionMatrix = view.Projection;
perView->ViewProjectionMatrix = view.ViewProjection;
perView->ViewFrustum = new Vector4(view.ViewSize.X, view.ViewSize.Y, view.NearClipPlane, view.FarClipPlane);
perView->Viewport = new Vector4(0,
0,
((float)context.CommandList.Viewport.Width) / ((float)context.CommandList.RenderTarget.Width),
((float)context.CommandList.Viewport.Height) / ((float)context.CommandList.RenderTarget.Height));
}
}
}
var renderParticleNodeData = RenderData.GetData(renderParticleNodeKey);
// TODO: stackalloc?
var descriptorSetsLocal = descriptorSets.Value;
if (descriptorSetsLocal == null || descriptorSetsLocal.Length < EffectDescriptorSetSlotCount)
{
descriptorSetsLocal = descriptorSets.Value = new DescriptorSet[EffectDescriptorSetSlotCount];
}
for (var index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
// Get effect
var renderEffect = GetRenderNode(renderNodeReference).RenderEffect;
if (renderEffect.Effect == null)
continue;
// Get the extra node data
var nodeData = renderParticleNodeData[renderNodeReference];
if (nodeData.IndexCount <= 0)
continue;
var resourceGroupOffset = ComputeResourceGroupOffset(renderNodeReference);
// Update cbuffer
renderEffect.Reflection.BufferUploader.Apply(commandList, ResourceGroupPool, resourceGroupOffset);
// Bind descriptor sets
for (int i = 0; i < descriptorSetsLocal.Length; ++i)
{
var resourceGroup = ResourceGroupPool[resourceGroupOffset++];
if (resourceGroup != null)
descriptorSetsLocal[i] = resourceGroup.DescriptorSet;
}
commandList.SetPipelineState(renderEffect.PipelineState);
commandList.SetDescriptorSets(0, descriptorSetsLocal);
// Bind the buffers and draw
commandList.SetVertexBuffer(0, nodeData.VertexBuffer, nodeData.VertexBufferOffset, nodeData.VertexBufferStride);
commandList.SetIndexBuffer(nodeData.IndexBuffer, nodeData.IndexBufferOffset, ParticleBufferContext.IndexStride != sizeof(short));
commandList.DrawIndexed(nodeData.IndexCount, 0);
}
}
/// <inheritdoc/>
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
var commandList = context.CommandList;
// TODO: PerView data
Matrix viewInverse;
Matrix.Invert(ref renderView.View, out viewInverse);
var descriptorSets = new DescriptorSet[EffectDescriptorSetSlotCount];
for (var index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
var renderNode = GetRenderNode(renderNodeReference);
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
if (renderParticleEmitter.ParticleEmitter.VertexBuilder.ResourceContext == null)
continue;
// Generate vertices
// TODO: Just just unmap/barrier here
renderParticleEmitter.ParticleEmitter.BuildVertexBuffer(context.CommandList, ref viewInverse);
// Get effect
var renderEffect = renderNode.RenderEffect;
if (renderEffect.Effect == null)
continue;
// TODO GRAPHICS REFACTOR: Extract data
var particleSystemComponent = renderParticleEmitter.RenderParticleSystem.ParticleSystemComponent;
var particleSystem = particleSystemComponent.ParticleSystem;
var vertexBuilder = renderParticleEmitter.ParticleEmitter.VertexBuilder;
// Bind VB
var vertexBuffer = vertexBuilder.ResourceContext.VertexBuffer;
var indexBuffer = vertexBuilder.ResourceContext.IndexBuffer;
commandList.SetVertexBuffer(0, vertexBuffer.Buffer, vertexBuffer.Offset, vertexBuffer.Stride);
commandList.SetIndexBuffer(indexBuffer.Buffer, indexBuffer.Offset, indexBuffer.Is32Bit);
var resourceGroupOffset = ComputeResourceGroupOffset(renderNodeReference);
// Update cbuffer
renderEffect.Reflection.BufferUploader.Apply(context.CommandList, ResourceGroupPool, resourceGroupOffset);
// Bind descriptor sets
for (int i = 0; i < descriptorSets.Length; ++i)
{
var resourceGroup = ResourceGroupPool[resourceGroupOffset++];
if (resourceGroup != null)
descriptorSets[i] = resourceGroup.DescriptorSet;
}
commandList.SetPipelineState(renderEffect.PipelineState);
commandList.SetDescriptorSets(0, descriptorSets);
commandList.DrawIndexed(vertexBuilder.LivingQuads * vertexBuilder.IndicesPerQuad, vertexBuilder.ResourceContext.IndexBufferPosition);
}
}
/// <summary>
/// Performs GPU updates and/or draw.
/// </summary>
/// <param name="context"></param>
/// <param name="renderView"></param>
/// <param name="renderViewStage"></param>
/// <param name="startIndex"></param>
/// <param name="endIndex"></param>
public virtual void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
}
public abstract unsafe void GenerateSortKey(RenderView renderView, RenderViewStage renderViewStage, SortKey *sortKeys);
/// <summary>
/// Performs GPU updates and/or drawing, everytime a render view changes.
/// </summary>
/// <param name="context"></param>
/// <param name="renderView"></param>
/// <param name="renderViewStage"></param>
public virtual void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage)
{
}
public override void Draw(RenderDrawContext context, RenderView renderView, RenderViewStage renderViewStage, int startIndex, int endIndex)
{
base.Draw(context, renderView, renderViewStage, startIndex, endIndex);
BlendStateDescription? previousBlendState = null;
DepthStencilStateDescription? previousDepthStencilState = null;
EffectInstance previousEffect = null;
//TODO string comparison ...?
var isPicking = renderViewStage.RenderStage.Name == "Picking";
var device = RenderSystem.GraphicsDevice;
var hasBegin = false;
for (var index = startIndex; index < endIndex; index++)
{
var renderNodeReference = renderViewStage.SortedRenderNodes[index].RenderNode;
var renderNode = GetRenderNode(renderNodeReference);
var spriteState = (RenderSpriteStudio)renderNode.RenderObject;
var transfoComp = spriteState.TransformComponent;
var depthStencilState = DepthStencilStates.DepthRead;
foreach (var node in spriteState.SpriteStudioComponent.SortedNodes)
{
if (node.Sprite?.Texture == null || node.Sprite.Region.Width <= 0 || node.Sprite.Region.Height <= 0f || node.Hide != 0) continue;
// Update the sprite batch
BlendStateDescription spriteBlending;
switch (node.BaseNode.AlphaBlending)
{
case SpriteStudioBlending.Mix:
spriteBlending = BlendStates.AlphaBlend;
break;
case SpriteStudioBlending.Multiplication:
spriteBlending = MultBlendState;
break;
case SpriteStudioBlending.Addition:
spriteBlending = BlendStates.Additive;
break;
case SpriteStudioBlending.Subtraction:
spriteBlending = SubBlendState;
break;
default:
throw new ArgumentOutOfRangeException();
}
// TODO: this should probably be moved to Prepare()
// Project the position
// TODO: This could be done in a SIMD batch, but we need to figure-out how to plugin in with RenderMesh object
var worldPosition = new Vector4(transfoComp.WorldMatrix.TranslationVector, 1.0f);
Vector4 projectedPosition;
Vector4.Transform(ref worldPosition, ref renderView.ViewProjection, out projectedPosition);
var projectedZ = projectedPosition.Z / projectedPosition.W;
var blendState = isPicking ? BlendStates.Default : spriteBlending;
var currentEffect = isPicking ? GetOrCreatePickingSpriteEffect() : ShadowObject.IsObjectSelected(spriteState.SpriteStudioComponent) ? GetOrCreateSelectedSpriteEffect() : null;
// TODO remove this code when material are available
if (previousEffect != currentEffect || blendState != previousBlendState || depthStencilState != previousDepthStencilState)
{
if (hasBegin)
{
sprite3DBatch.End();
}
sprite3DBatch.Begin(context.GraphicsContext, renderView.ViewProjection, SpriteSortMode.Deferred, blendState, null, depthStencilState, RasterizerStates.CullNone, currentEffect);
hasBegin = true;
}
previousEffect = currentEffect;
previousBlendState = blendState;
previousDepthStencilState = depthStencilState;
var sourceRegion = node.Sprite.Region;
var texture = node.Sprite.Texture;
// skip the sprite if no texture is set.
if (texture == null)
continue;
var color4 = Color4.White;
if (isPicking)
{
// TODO move this code corresponding to picking out of the runtime code.
color4 = new Color4(RuntimeIdHelper.ToRuntimeId(spriteState.SpriteStudioComponent));
}
else
{
if (node.BlendFactor > 0.0f)
{
switch (node.BlendType) //todo this should be done in a shader
{
case SpriteStudioBlending.Mix:
color4 = Color4.Lerp(color4, node.BlendColor, node.BlendFactor) * node.FinalTransparency;
break;
case SpriteStudioBlending.Multiplication:
color4 = Color4.Lerp(color4, node.BlendColor, node.BlendFactor) * node.FinalTransparency;
break;
case SpriteStudioBlending.Addition:
color4 = Color4.Lerp(color4, node.BlendColor, node.BlendFactor) * node.FinalTransparency;
break;
case SpriteStudioBlending.Subtraction:
color4 = Color4.Lerp(color4, node.BlendColor, node.BlendFactor) * node.FinalTransparency;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
color4 *= node.FinalTransparency;
}
}
var worldMatrix = node.ModelTransform*transfoComp.WorldMatrix;
// calculate normalized position of the center of the sprite (takes into account the possible rotation of the image)
var normalizedCenter = new Vector2(node.Sprite.Center.X/sourceRegion.Width - 0.5f, 0.5f - node.Sprite.Center.Y/sourceRegion.Height);
if (node.Sprite.Orientation == ImageOrientation.Rotated90)
{
var oldCenterX = normalizedCenter.X;
normalizedCenter.X = -normalizedCenter.Y;
normalizedCenter.Y = oldCenterX;
}
// apply the offset due to the center of the sprite
var size = node.Sprite.Size;
var centerOffset = Vector2.Modulate(normalizedCenter, size);
worldMatrix.M41 -= centerOffset.X*worldMatrix.M11 + centerOffset.Y*worldMatrix.M21;
worldMatrix.M42 -= centerOffset.X*worldMatrix.M12 + centerOffset.Y*worldMatrix.M22;
// draw the sprite
sprite3DBatch.Draw(texture, ref worldMatrix, ref sourceRegion, ref size, ref color4, node.Sprite.Orientation, SwizzleMode.None, projectedZ);
}
}
if(hasBegin) sprite3DBatch.End();
}
