void RenderScene()
{
lock (syncObject)
{
if (device == null)
{
CreateDeviceResources();
}
if (!pause)
{
if (lastSavedDelta != 0)
{
startTime = Environment.TickCount - lastSavedDelta;
lastSavedDelta = 0;
}
currentTimeVariation = (Environment.TickCount - startTime) / 6000.0f;
worldMatrix = MatrixMath.MatrixTranslate(0, 0, currentTimeVariation);
textBrush.Transform = Matrix3x2F.Translation(0, (4096f / 16f) * currentTimeVariation);
}
device.ClearDepthStencilView(
depthStencilView,
ClearOptions.Depth,
1,
0
);
// Clear the back buffer
device.ClearRenderTargetView(renderTargetView, backColor);
diffuseVariable.Resource = null;
technique.GetPassByIndex(0).Apply();
// Draw the D2D content into our D3D surface
RenderD2DContentIntoSurface();
diffuseVariable.Resource = textureResourceView;
// Update variables
worldMatrixVariable.Matrix = worldMatrix;
// Set index buffer
device.IA.IndexBuffer = new IndexBuffer(facesIndexBuffer, Format.R16UInt, 0);
// Draw the scene
technique.GetPassByIndex(0).Apply();
device.DrawIndexed((uint)Marshal.SizeOf(VertexArray.VerticesInstance), 0, 0);
swapChain.Present(0, Microsoft.WindowsAPICodePack.DirectX.Graphics.PresentOptions.None);
}
}
void RenderScene()
{
lock (syncObject)
{
//initialize D3D device and D2D render targets the first time we get here
if (device == null)
{
CreateDeviceResources();
}
//tick count is used to control animation and calculate FPS
int currentTime = Environment.TickCount;
if (!startTime.HasValue)
{
startTime = currentTime;
}
currentTicks = currentTime - startTime.GetValueOrDefault();
float a = (currentTicks * 360.0f) * ((float)Math.PI / 180.0f) * 0.0001f;
worldMatrix = MatrixMath.MatrixRotationY(a);
// Swap chain will tell us how big the back buffer is
SwapChainDescription swapDesc = swapChain.Description;
uint nWidth = swapDesc.BufferDescription.Width;
uint nHeight = swapDesc.BufferDescription.Height;
device.ClearDepthStencilView(
depthStencilView, ClearOptions.Depth,
1, 0
);
// Draw a gradient background before we draw the cube
if (backBufferRenderTarget != null)
{
backBufferRenderTarget.BeginDraw();
backBufferGradientBrush.Transform =
Matrix3x2F.Scale(
backBufferRenderTarget.Size,
new Point2F(0.0f, 0.0f));
RectF rect = new RectF(
0.0f, 0.0f,
nWidth,
nHeight);
backBufferRenderTarget.FillRectangle(rect, backBufferGradientBrush);
backBufferRenderTarget.EndDraw();
}
diffuseVariable.Resource = null;
technique.GetPassByIndex(0).Apply();
// Draw the D2D content into a D3D surface.
RenderD2DContentIntoTexture();
// Pass the updated texture to the pixel shader
diffuseVariable.Resource = textureResourceView;
// Update variables that change once per frame.
worldVariable.Matrix = worldMatrix;
// Set the index buffer.
device.IA.IndexBuffer = new IndexBuffer(facesIndexBuffer, Format.R16UInt, 0);
// Render the scene
technique.GetPassByIndex(0).Apply();
device.DrawIndexed(vertexArray.s_FacesIndexArray.Length, 0, 0);
// Update fps
currentTime = Environment.TickCount; // Get the ticks again
currentTicks = currentTime - startTime.GetValueOrDefault();
if ((currentTime - lastTicks) > 250)
{
fps = (swapChain.LastPresentCount) / (currentTicks / 1000f);
lastTicks = currentTime;
}
backBufferRenderTarget.BeginDraw();
// Draw fps
backBufferRenderTarget.DrawText(
String.Format("Average FPS: {0:F1}", fps),
textFormatFps,
new RectF(
10f,
nHeight - 32f,
nWidth,
nHeight
),
backBufferTextBrush
);
backBufferRenderTarget.EndDraw();
swapChain.Present(0, Microsoft.WindowsAPICodePack.DirectX.Graphics.PresentOptions.None);
}
}