private void Draw()
{
_manager.Clear(Color.Black);
var context = _manager.Device.ImmediateContext;
var time = (float)_clock.Elapsed.TotalSeconds;
var viewProj = Matrix.Multiply(_view, _proj);
var world =
Matrix.RotationX(time) *
Matrix.RotationY(time * 1.5f) *
Matrix.RotationZ(time * .9f) *
Matrix.Translation(0, 0, 0);
var worldViewProj = world * viewProj;
Vector3 lightDirection = new Vector3(-0.3f, 0.3f, +1);
lightDirection.Normalize();
_cbuf.WorldViewProj = worldViewProj;
_cbuf.World = world;
_cbuf.LightDir = new Vector4(lightDirection, 1);
_cbuf.Light = (CheckBoxLight.IsChecked ?? false) ? 1 : 0;
context.UpdateSubresource(ref _cbuf, _constantBuffer);
context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(_sphereVertBuffer, Utilities.SizeOf <Vector4>() * 3, 0));
context.InputAssembler.SetIndexBuffer(_sphereIndBuffer, SharpDX.DXGI.Format.R16_UInt, 0);
context.DrawIndexed(_sphere.Indices.Length, 0, 0);
_manager.Present();
}
protected override void HandlePaint(Rect rect)
{
var viewProj = Matrix.Multiply(_view, _proj);
var context = Direct2D1Platform.Direct3D11Device.ImmediateContext;
// Clear views
context.ClearDepthStencilView(_depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
context.ClearRenderTargetView(_renderView, Color.White);
// Update WorldViewProj Matrix
var worldViewProj = Matrix.RotationX((float)_model.RotationX) * Matrix.RotationY((float)_model.RotationY)
* Matrix.RotationZ((float)_model.RotationZ)
* Matrix.Scaling((float)_model.Zoom)
* viewProj;
worldViewProj.Transpose();
context.UpdateSubresource(ref worldViewProj, _contantBuffer);
// Draw the cube
context.Draw(36, 0);
base.HandlePaint(rect);
// Present!
_swapChain.Present(0, PresentFlags.None);
}
public Matrix CreateViewMatrix(double w, double h)
{
Matrix worldMatrix = Matrix.Identity;
Matrix view = Matrix.Identity;
Matrix proj = Matrix.Translation((float)(-w - .5f) / 2f, (float)(-h - .5f) / 2f, 0) * Matrix.Scaling(2 / (float)w, -2 / (float)h, 1);
return(Matrix.Multiply(view, proj));
}
public Matrix CreateViewMatrix2(double w, double h)
{
// Prepare matrices
Matrix worldMatrix = Matrix.Identity;
var view = Matrix.LookAtLH(new Vector3(0, 0, -5), new Vector3(0, 0, 0), Vector3.UnitY);
var proj = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)w / (float)h, 0.1f, 100.0f);
return(Matrix.Multiply(view, proj));
}
public override void Update(float timeTotal, float timeDelta)
{
//timeDelta; // Unused parameter.
int width = (int)_renderTargetSize.Width;
int height = (int)_renderTargetSize.Height;
_view = Matrix.LookAtLH(new Vector3(0, 0, -5), new Vector3(0, 0, 0), Vector3.UnitY);
_proj = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, width / (float)height, 0.1f, 100.0f);
_viewProj = Matrix.Multiply(_view, _proj);
_worldViewProj = Matrix.Scaling(1.0f) * Matrix.RotationX(timeTotal) * Matrix.RotationY(timeTotal * 2.0f) * Matrix.RotationZ(timeTotal * .7f) * _viewProj;
_worldViewProj.Transpose();
}
public override void Render()
{
int width = (int)_renderTargetSize.Width;
int height = (int)_renderTargetSize.Height;
// Prepare matrices
var view = Matrix.LookAtLH(new Vector3(0, 0, -5), new Vector3(0, 0, 0), Vector3.UnitY);
var proj = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, width / (float)height, 0.1f, 100.0f);
var viewProj = Matrix.Multiply(view, proj);
var time = (float)(_clock.ElapsedMilliseconds / 1000.0);
// Set targets (This is mandatory in the loop)
_deviceContext.OutputMerger.SetTargets(_depthStencilView, _renderTargetview);
_deviceContext.ClearDepthStencilView(_depthStencilView, DepthStencilClearFlags.Depth, 1.0f, 0);
// Clear the views
_deviceContext.ClearRenderTargetView(_renderTargetview, Color.CornflowerBlue);
//if (ShowCube)
//{
// Calculate WorldViewProj
var worldViewProj = Matrix.Scaling(1.0f) * Matrix.RotationX(time) * Matrix.RotationY(time * 2.0f) * Matrix.RotationZ(time * .7f) * viewProj;
worldViewProj.Transpose();
// Setup the pipeline
_deviceContext.InputAssembler.SetVertexBuffers(0, _vertexBufferBinding);
_deviceContext.InputAssembler.InputLayout = _vertexLayout;
_deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
_deviceContext.VertexShader.SetConstantBuffer(0, _constantBuffer);
_deviceContext.VertexShader.Set(_vertexShader);
_deviceContext.PixelShader.Set(_pixelShader);
// Update Constant Buffer
_deviceContext.UpdateSubresource(ref worldViewProj, _constantBuffer, 0);
// Draw the cube
_deviceContext.Draw(36, 0);
//}
}
private void SharpDXRenderingAction(RenderingContext renderingContext)
{
// Just in case the data were already disposed
if (_constantBuffer == null)
{
return;
}
var context = renderingContext.DXDevice.ImmediateContext;
// NOTE:
// Because DXEngine by default uses different culling mode than SharpDX,
// we first need to set the culling mode to the one that is used in the ShardDX sample - CounterClockwise culling
// The SharpDX way to do that is (we are using the already defined CullCounterClockwise rasterizer state):
//context.Rasterizer.State = renderingContext.DXDevice.CommonStates.CullCounterClockwise;
// But it is better to do that in the DXEngine's way with ImmediateContextStatesManager
// That prevents to many state changes with checking the current state and also ensures that any DXEngine's objects that would be rendered after
// SharpDX objects would be rendered correctly:
renderingContext.DXDevice.ImmediateContextStatesManager.RasterizerState = renderingContext.DXDevice.CommonStates.CullCounterClockwise;
// Prepare All the stages
context.InputAssembler.InputLayout = _layout;
context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(_vertices, SharpDX.Utilities.SizeOf <Vector4>() * 2, 0));
context.VertexShader.SetConstantBuffer(0, _constantBuffer);
context.VertexShader.Set(_vertexShader);
context.PixelShader.Set(_pixelShader);
// Clear views - this is done by DXEngine in PrepareRenderTargetsRenderingStep
//context.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
//context.ClearRenderTargetView(renderView, Color.Black);
// Prepare matrices
var view = Matrix.LookAtLH(new Vector3(0, 0, -5), new Vector3(0, 0, 0), Vector3.UnitY);
// Setup new projection matrix with correct aspect ratio
var proj = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)renderingContext.DXScene.Width / (float)renderingContext.DXScene.Height, 0.1f, 100.0f);
var viewProj = Matrix.Multiply(view, proj);
var time = _clock.ElapsedMilliseconds / 1000.0f;
// Update WorldViewProj Matrix
var worldViewProj = Matrix.RotationX(time) * Matrix.RotationY(time * 2) * Matrix.RotationZ(time * .7f) * viewProj;
// If the matrixes in the shaders are written in default format, then we need to transpose them.
// To remove the need for transposal we can define the matrixes in HLSL as row_major (this is used in DXEngine's shaders, but here the original shader from SharpDX is preserved).
worldViewProj.Transpose();
// Write the new world view projection matrix to the constant buffer
context.UpdateSubresource(ref worldViewProj, _constantBuffer);
// Draw the cube
context.Draw(36, 0);
// Present is called by DXEngine in CompleteRenderingStep
//swapChain.Present(0, PresentFlags.None);
}
