public SimpleVertex(XMFloat3 pos, XMFloat4 color)
{
this.Pos = pos;
this.Color = color;
}
private static void LoadParticles(Random rand, Particle[] pParticles, int startIndex, XMFloat3 center, XMFloat4 velocity, float spread, int numParticles)
{
for (int i = 0; i < numParticles; i++)
{
XMFloat3 delta = new XMFloat3(spread, spread, spread);
while (XMVector3.LengthSquare(delta).X > spread * spread)
{
delta.X = RPercent(rand) * spread;
delta.Y = RPercent(rand) * spread;
delta.Z = RPercent(rand) * spread;
}
pParticles[startIndex + i].pos.X = center.X + delta.X;
pParticles[startIndex + i].pos.Y = center.Y + delta.Y;
pParticles[startIndex + i].pos.Z = center.Z + delta.Z;
pParticles[startIndex + i].pos.W = 10000.0f * 10000.0f;
pParticles[startIndex + i].velo = velocity;
}
}
public SceneVertex(XMFloat4 pos, XMFloat4 color)
{
this.Pos = pos;
this.Color = color;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
var d3dDevice = this.deviceResources.D3DDevice;
this.tessellator.CreateDeviceDependentResources(this.deviceResources);
XMFloat4[] initData;
// Parse the .obj file. Both triangle faces and quad faces are supported.
// Only v and f tags are processed, other tags like vn, vt etc are ignored.
{
var initFile = ObjFile.FromFile("BaseMesh.obj");
var data = new List <XMFloat4>();
var v = new List <XMFloat4>();
for (int i = 0; i < initFile.Vertices.Count; i++)
{
ObjVector4 objPosition = initFile.Vertices[i].Position;
XMFloat4 pos = new XMFloat4(
objPosition.X,
objPosition.Y,
objPosition.Z,
1.0f);
v.Add(pos);
}
foreach (ObjFace face in initFile.Faces)
{
if (face.Vertices.Count < 3)
{
continue;
}
data.Add(v[face.Vertices[0].Vertex - 1]);
data.Add(v[face.Vertices[1].Vertex - 1]);
data.Add(v[face.Vertices[2].Vertex - 1]);
if (face.Vertices.Count >= 4)
{
data.Add(v[face.Vertices[2].Vertex - 1]);
data.Add(v[face.Vertices[3].Vertex - 1]);
data.Add(v[face.Vertices[0].Vertex - 1]);
}
}
initData = data.ToArray();
}
this.g_pBaseVB = d3dDevice.CreateBuffer(
D3D11BufferDesc.From(initData, D3D11BindOptions.ShaderResource | D3D11BindOptions.VertexBuffer),
initData,
0,
0);
this.tessellator.SetBaseMesh((uint)initData.Length, this.g_pBaseVB);
this.g_pVS = d3dDevice.CreateVertexShader(File.ReadAllBytes("RenderVertexShader.cso"), null);
{
byte[] shaderBytecode = File.ReadAllBytes("RenderBaseVertexShader.cso");
this.g_pBaseVS = d3dDevice.CreateVertexShader(shaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new[]
{
new D3D11InputElementDesc(
"POSITION",
0,
DxgiFormat.R32G32B32A32Float,
0,
0,
D3D11InputClassification.PerVertexData,
0)
};
this.g_pBaseVBLayout = d3dDevice.CreateInputLayout(layoutDesc, shaderBytecode);
}
this.g_pPS = d3dDevice.CreatePixelShader(File.ReadAllBytes("RenderPixelShader.cso"), null);
// Setup constant buffer
this.g_pVSCB = d3dDevice.CreateBuffer(new D3D11BufferDesc
{
BindOptions = D3D11BindOptions.ConstantBuffer,
ByteWidth = 4 * 16
});
// Rasterizer state
this.g_pRasWireFrame = d3dDevice.CreateRasterizerState(new D3D11RasterizerDesc
{
CullMode = D3D11CullMode.None,
FillMode = D3D11FillMode.WireFrame
});
}
private void RenderShadowMap(out XMFloat4X4 mViewProjLight, out XMFloat3 vLightDir)
{
var context = this.deviceResources.D3DContext;
D3D11Rect[] oldRects = context.RasterizerStageGetScissorRects();
D3D11Viewport[] oldVp = context.RasterizerStageGetViewports();
D3D11Rect[] rects = new D3D11Rect[1] {
new D3D11Rect(0, (int)g_fShadowMapWidth, 0, (int)g_fShadowMapHeight)
};
context.RasterizerStageSetScissorRects(rects);
D3D11Viewport[] vp = new D3D11Viewport[1] {
new D3D11Viewport(0, 0, g_fShadowMapWidth, g_fShadowMapHeight, 0.0f, 1.0f)
};
context.RasterizerStageSetViewports(vp);
// Set our scene render target & keep original depth buffer
D3D11RenderTargetView[] pRTVs = new D3D11RenderTargetView[2];
context.OutputMergerSetRenderTargets(pRTVs, this.g_pDepthStencilTextureDSV);
// Clear the render target
context.ClearDepthStencilView(this.g_pDepthStencilTextureDSV, D3D11ClearOptions.Depth | D3D11ClearOptions.Stencil, 1.0f, 0);
// Get the projection & view matrix from the camera class
XMFloat3 up = new XMFloat3(0, 1, 0);
XMFloat4 vLight = new XMFloat4(0.0f, 0.0f, 0.0f, 1.0f);
XMFloat4 vLightLookAt = new XMFloat4(0.0f, -0.5f, 1.0f, 0.0f);
vLightLookAt = vLight.ToVector() + vLightLookAt.ToVector();
vLight = XMVector4.Transform(vLight, this.LightWorldMatrix);
vLightLookAt = XMVector4.Transform(vLightLookAt, this.LightWorldMatrix);
vLightDir = XMVector.Subtract(vLightLookAt, vLight);
XMMatrix mProj = XMMatrix.OrthographicOffCenterLH(-8.5f, 9, -15, 11, -20, 20);
XMMatrix mView = XMMatrix.LookAtLH(vLight, vLightLookAt, up);
mViewProjLight = mView * mProj;
// Setup the constant buffer for the scene vertex shader
ConstantBufferConstants pConstants = new ConstantBufferConstants
{
WorldViewProjection = mViewProjLight.ToMatrix().Transpose(),
WorldViewProjLight = mViewProjLight.ToMatrix().Transpose(),
ShadowMapDimensions = new XMFloat4(
g_fShadowMapWidth,
g_fShadowMapHeight,
1.0f / g_fShadowMapWidth,
1.0f / g_fShadowMapHeight),
LightDir = new XMFloat4(vLightDir.X, vLightDir.Y, vLightDir.Z, 0.0f),
SunWidth = this.SunWidth
};
context.UpdateSubresource(this.g_pcbConstants, 0, null, pConstants, 0, 0);
context.VertexShaderSetConstantBuffers(g_iConstantsConstantBufferBind, new[] { this.g_pcbConstants });
context.PixelShaderSetConstantBuffers(g_iConstantsConstantBufferBind, new[] { this.g_pcbConstants });
// Set the shaders
context.VertexShaderSetShader(this.g_pShadowMapVS, null);
context.PixelShaderSetShader(null, null);
// Set the vertex buffer format
context.InputAssemblerSetInputLayout(this.g_pSceneVertexLayout);
// Render the scene
this.g_Poles.Render(0, -1, -1);
// reset the old viewport etc.
context.RasterizerStageSetScissorRects(oldRects);
context.RasterizerStageSetViewports(oldVp);
}
