public virtual void SetViewParams(XMVector vEyePt, XMVector vLookatPt)
{
m_vEye = vEyePt;
m_vDefaultEye = vEyePt;
m_vLookAt = vLookatPt;
m_vDefaultLookAt = vLookatPt;
// Calc the view matrix
XMMatrix mView = XMMatrix.LookAtLH(vEyePt, vLookatPt, XMVector.FromFloat(0.0f, 1.0f, 0.0f, 0.0f));
m_mView = mView;
XMMatrix mInvView = mView.Inverse();
// The axis basis vectors and camera position are stored inside the
// position matrix in the 4 rows of the camera's world matrix.
// To figure out the yaw/pitch of the camera, we just need the Z basis vector
XMFloat3 zBasis = new XMFloat3(mInvView.M31, mInvView.M32, mInvView.M33);
m_fCameraYawAngle = (float)Math.Atan2(zBasis.X, zBasis.Z);
float fLen = (float)Math.Sqrt(zBasis.Z * zBasis.Z + zBasis.X * zBasis.X);
m_fCameraPitchAngle = -(float)Math.Atan2(zBasis.Y, fLen);
}
public void Init()
{
{
XMFloat3 vecEye = new XMFloat3(100.0f, 5.0f, 5.0f);
XMFloat3 vecAt = new XMFloat3(0.0f, 0.0f, 0.0f);
XMFloat3 vecUp = new XMFloat3(0.0f, 1.0f, 0.0f);
this.ViewerCameraView = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
this.ViewerCameraProjection = XMMatrix.PerspectiveFovLH(XMMath.PIDivFour, 1.0f, 0.05f, 1.0f);
this.ViewerCameraNearClip = 0.05f;
this.ViewerCameraFarClip = 1.0f;
}
{
XMFloat3 vecEye = new XMFloat3(-320.0f, 300.0f, -220.3f);
XMFloat3 vecAt = new XMFloat3(0.0f, 0.0f, 0.0f);
XMFloat3 vecUp = new XMFloat3(0.0f, 1.0f, 0.0f);
this.LightCameraWorld = XMMatrix.Identity;
this.LightCameraView = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
this.LightCameraProjection = XMMatrix.PerspectiveFovLH(XMMath.PIDivFour, 1.0f, 0.1f, 1000.0f);
this.LightCameraEyePoint = vecEye;
this.LightCameraLookAtPoint = vecAt;
}
this.ActiveCameraView = this.ViewerCameraView;
this.ActiveCameraProjection = this.ViewerCameraProjection;
this.MeshLength = 1.0f;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
byte[] vertexShaderBytecode = File.ReadAllBytes("VertexShader.cso");
this.vertexShader = this.deviceResources.D3DDevice.CreateVertexShader(vertexShaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "NORMAL",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 12,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.inputLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, vertexShaderBytecode);
byte[] pixelShaderBytecode = File.ReadAllBytes("PixelShader.cso");
this.pixelShader = this.deviceResources.D3DDevice.CreatePixelShader(pixelShaderBytecode, null);
pixelShaderBytecode = File.ReadAllBytes("PixelShaderSolid.cso");
this.pixelShaderSolid = this.deviceResources.D3DDevice.CreatePixelShader(pixelShaderBytecode, null);
var vertexBufferDesc = D3D11BufferDesc.From(MainGameComponent.Vertices, D3D11BindOptions.VertexBuffer);
this.vertexBuffer = this.deviceResources.D3DDevice.CreateBuffer(vertexBufferDesc, MainGameComponent.Vertices, 0, 0);
var indexBufferDesc = D3D11BufferDesc.From(MainGameComponent.Indices, D3D11BindOptions.IndexBuffer);
this.indexBuffer = this.deviceResources.D3DDevice.CreateBuffer(indexBufferDesc, MainGameComponent.Indices, 0, 0);
var constantBufferDesc = new D3D11BufferDesc(ConstantBufferData.Size, D3D11BindOptions.ConstantBuffer);
this.constantBuffer = this.deviceResources.D3DDevice.CreateBuffer(constantBufferDesc);
this.worldMatrix = XMMatrix.Identity;
XMVector eye = new XMVector(0.0f, 4.0f, -10.0f, 0.0f);
XMVector at = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
XMVector up = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
this.viewMatrix = XMMatrix.LookAtLH(eye, at, up);
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
var d3dDevice = this.deviceResources.D3DDevice;
// Create the shaders
byte[] vertexShaderBytecode = File.ReadAllBytes("VertexShader.cso");
this.g_pVertexShader = d3dDevice.CreateVertexShader(vertexShaderBytecode, null);
this.g_pHullShaderInteger = d3dDevice.CreateHullShader(File.ReadAllBytes("HullShaderInteger.cso"), null);
this.g_pHullShaderFracEven = d3dDevice.CreateHullShader(File.ReadAllBytes("HullShaderFracEven.cso"), null);
this.g_pHullShaderFracOdd = d3dDevice.CreateHullShader(File.ReadAllBytes("HullShaderFracOdd.cso"), null);
this.g_pDomainShader = d3dDevice.CreateDomainShader(File.ReadAllBytes("DomainShader.cso"), null);
this.g_pPixelShader = d3dDevice.CreatePixelShader(File.ReadAllBytes("PixelShader.cso"), null);
this.g_pSolidColorPS = d3dDevice.CreatePixelShader(File.ReadAllBytes("SolidColorPS.cso"), null);
// Create our vertex input layout - this matches the BEZIER_CONTROL_POINT structure
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.g_pPatchLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, vertexShaderBytecode);
// Create constant buffers
this.g_pcbPerFrame = d3dDevice.CreateBuffer(new D3D11BufferDesc(ConstantBufferConstants.Size, D3D11BindOptions.ConstantBuffer));
// Create solid and wireframe rasterizer state objects
D3D11RasterizerDesc rasterDesc = D3D11RasterizerDesc.Default;
rasterDesc.CullMode = D3D11CullMode.None;
rasterDesc.IsDepthClipEnabled = true;
rasterDesc.FillMode = D3D11FillMode.Solid;
this.g_pRasterizerStateSolid = d3dDevice.CreateRasterizerState(rasterDesc);
rasterDesc.FillMode = D3D11FillMode.WireFrame;
this.g_pRasterizerStateWireframe = d3dDevice.CreateRasterizerState(rasterDesc);
D3D11BufferDesc vbdesc = D3D11BufferDesc.From(MobiusStrip.Points, D3D11BindOptions.VertexBuffer);
this.g_pControlPointVB = d3dDevice.CreateBuffer(vbdesc, MobiusStrip.Points, 0, 0);
XMFloat3 vecEye = new XMFloat3(1.0f, 1.5f, -3.5f);
XMFloat3 vecAt = new XMFloat3(0.0f, 0.0f, 0.0f);
XMFloat3 vecUp = new XMFloat3(0.0f, 1.0f, 0.0f);
this.ViewMatrix = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
this.EyePt = vecEye;
}
public MainGameComponent()
{
XMVector eye = new(0.0f, 0.0f, -5.0f, 0.0f);
XMVector at = new(0.0f, 0.0f, -0.0f, 0.0f);
XMVector up = new(0.0f, 1.0f, 0.0f, 0.0f);
this.ViewMatrix = XMMatrix.LookAtLH(eye, at, up);
this.WorldMatrix = XMMatrix.Identity;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
this.scene.CreateDeviceDependentResources(this.deviceResources);
this.oit.CreateDeviceDependentResources(this.deviceResources);
this.worldMatrix = XMMatrix.Identity;
XMVector eye = new XMVector(0.0f, 0.5f, -3.0f, 0.0f);
XMVector at = new XMVector(0.0f, 0.0f, 0.0f, 0.0f);
XMVector up = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
this.viewMatrix = XMMatrix.LookAtLH(eye, at, up);
}
public void CreateWindowSizeDependentResources()
{
this.tessellator.CreateWindowSizeDependentResources();
XMMatrix mWorld = XMMatrix.Identity;
XMFloat3 vecEye = new XMFloat3(0.0f, 0.0f, -300.0f);
XMFloat3 vecAt = new XMFloat3(10.0f, 20.0f, 0.0f);
XMFloat3 vecUp = new XMFloat3(0.0f, 1.0f, 0.0f);
XMMatrix mView = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
float fAspectRatio = (float)this.deviceResources.BackBufferWidth / (float)this.deviceResources.BackBufferHeight;
XMMatrix mProj = XMMatrix.PerspectiveFovLH(XMMath.PIDivFour, fAspectRatio, 1.0f, 500000.0f);
XMMatrix mWorldViewProjection = mWorld * mView * mProj;
this.WorldViewProjectionMatrix = mWorldViewProjection;
}
public MainGameComponent()
{
var vLightDir = new XMFloat3(-1, 1, -1);
this.LightDirection = XMVector3.Normalize(vLightDir);
XMVector eye = new XMVector(0.0f, 0.0f, -100.0f, 0.0f);
XMVector at = new XMVector(0.0f, 0.0f, -0.0f, 0.0f);
XMVector up = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
float fObjectRadius = 378.15607f;
XMVector radius = XMVector3.Normalize(at - eye).Scale(fObjectRadius * 3.0f);
this.ViewMatrix = XMMatrix.LookAtLH(eye, at, up) * XMMatrix.TranslationFromVector(radius);
this.WorldMatrix = XMMatrix.Identity;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
byte[] vertexShaderBytecode = File.ReadAllBytes("VertexShader.cso");
this.vertexShader = this.deviceResources.D3DDevice.CreateVertexShader(vertexShaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.inputLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, vertexShaderBytecode);
byte[] pixelShaderBytecode = File.ReadAllBytes("PixelShader.cso");
this.pixelShader = this.deviceResources.D3DDevice.CreatePixelShader(pixelShaderBytecode, null);
var vertexBufferDesc = new D3D11BufferDesc(MaxVertices * 12, D3D11BindOptions.VertexBuffer);
this.vertexBuffer = this.deviceResources.D3DDevice.CreateBuffer(vertexBufferDesc);
var indexBufferDesc = new D3D11BufferDesc(MaxIndices * 2, D3D11BindOptions.IndexBuffer);
this.indexBuffer = this.deviceResources.D3DDevice.CreateBuffer(indexBufferDesc);
var constantBufferDesc = new D3D11BufferDesc(ConstantBufferData.Size, D3D11BindOptions.ConstantBuffer);
this.constantBuffer = this.deviceResources.D3DDevice.CreateBuffer(constantBufferDesc);
this.worldMatrix = XMMatrix.Identity;
XMVector vecAt = this.cameraOrigins[(int)this.CollisionGroup];
XMVector vecEye = new(vecAt.X, vecAt.Y + 20.0f, (this.CollisionGroup == CollisionGroup.Frustum) ? (vecAt.Z + 20.0f) : (vecAt.Z - 20.0f), 0.0f);
XMVector vecUp = new(0.0f, 1.0f, 0.0f, 0.0f);
this.viewMatrix = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
}
public override void SetViewParams(XMVector vEyePt, XMVector vLookatPt)
{
base.SetViewParams(vEyePt, vLookatPt);
// Propogate changes to the member arcball
XMMatrix mRotation = XMMatrix.LookAtLH(vEyePt, vLookatPt, XMVector.FromFloat(0.0f, 1.0f, 0.0f, 0.0f));
XMVector quat = XMQuaternion.RotationMatrix(mRotation);
m_ViewArcBall.SetQuatNow(quat);
// Set the radius according to the distance
XMVector vEyeToPoint = XMVector.Subtract(vLookatPt, vEyePt);
float len = XMVector3.Length(vEyeToPoint).X;
SetRadius(len);
// View information changed. FrameMove should be called.
m_bDragSinceLastUpdate = true;
}
public override void FrameMove(double fElapsedTime)
{
if (IsKeyDown(m_aKeys[(int)SdkCameraKey.Reset]))
{
Reset();
}
// If no dragged has happend since last time FrameMove is called,
// and no camera key is held down, then no need to handle again.
if (!m_bDragSinceLastUpdate && m_cKeysDown == 0)
{
return;
}
m_bDragSinceLastUpdate = false;
//// If no mouse button is held down,
//// Get the mouse movement (if any) if the mouse button are down
//if( m_nCurrentButtonMask != 0 )
// UpdateMouseDelta( fElapsedTime );
GetInput(m_bEnablePositionMovement, m_nCurrentButtonMask != 0);
// Get amount of velocity based on the keyboard input and drag (if any)
UpdateVelocity(fElapsedTime);
// Simple euler method to calculate position delta
XMVector vPosDelta = XMVector.LoadFloat3(m_vVelocity) * (float)fElapsedTime;
// Change the radius from the camera to the model based on wheel scrolling
if (m_nMouseWheelDelta != 0 && m_nZoomButtonMask == SdkCameraMouseKeys.Wheel)
{
m_fRadius -= m_nMouseWheelDelta * m_fRadius * 0.1f / 120.0f;
}
m_fRadius = Math.Min(m_fMaxRadius, m_fRadius);
m_fRadius = Math.Max(m_fMinRadius, m_fRadius);
m_nMouseWheelDelta = 0;
// Get the inverse of the arcball's rotation matrix
XMMatrix mCameraRot = m_ViewArcBall.GetRotationMatrix().Inverse();
// Transform vectors based on camera's rotation matrix
XMVector vWorldUp = XMVector3.TransformCoord(XMVector.FromFloat(0.0f, 1.0f, 0.0f, 0.0f), mCameraRot);
XMVector vWorldAhead = XMVector3.TransformCoord(XMVector.FromFloat(0.0f, 0.0f, 1.0f, 0.0f), mCameraRot);
// Transform the position delta by the camera's rotation
XMVector vPosDeltaWorld = XMVector3.TransformCoord(vPosDelta, mCameraRot);
// Move the lookAt position
XMVector vLookAt = m_vLookAt;
vLookAt += vPosDeltaWorld;
if (m_bClipToBoundary)
{
vLookAt = ConstrainToBoundary(vLookAt);
}
m_vLookAt = vLookAt;
// Update the eye point based on a radius away from the lookAt position
XMVector vEye = vLookAt - vWorldAhead * m_fRadius;
m_vEye = vEye;
// Update the view matrix
XMMatrix mView = XMMatrix.LookAtLH(vEye, vLookAt, vWorldUp);
m_mView = mView;
XMMatrix mInvView = mView.Inverse();
mInvView.M41 = 0.0f;
mInvView.M42 = 0.0f;
mInvView.M43 = 0.0f;
XMMatrix mModelLastRot = m_mModelLastRot;
XMMatrix mModelLastRotInv = mModelLastRot.Inverse();
// Accumulate the delta of the arcball's rotation in view space.
// Note that per-frame delta rotations could be problematic over long periods of time.
XMMatrix mModelRot0 = m_WorldArcBall.GetRotationMatrix();
XMMatrix mModelRot = m_mModelRot;
mModelRot *= mView * mModelLastRotInv * mModelRot0 * mInvView;
if (m_ViewArcBall.IsBeingDragged() && m_bAttachCameraToModel && !IsKeyDown(m_aKeys[(int)SdkCameraKey.ControlDown]))
{
// Attach camera to model by inverse of the model rotation
XMMatrix mCameraRotLast = m_mCameraRotLast;
XMMatrix mCameraLastRotInv = mCameraRotLast.Inverse();
XMMatrix mCameraRotDelta = mCameraLastRotInv * mCameraRot; // local to world matrix
mModelRot *= mCameraRotDelta;
}
m_mModelLastRot = mModelRot0;
m_mCameraRotLast = mCameraRot;
// Since we're accumulating delta rotations, we need to orthonormalize
// the matrix to prevent eventual matrix skew
XMVector xBasis = XMVector3.Normalize(XMVector.FromFloat(mModelRot.M11, mModelRot.M12, mModelRot.M13, mModelRot.M14));
XMVector yBasis = XMVector3.Cross(XMVector.FromFloat(mModelRot.M31, mModelRot.M32, mModelRot.M33, mModelRot.M34), xBasis);
yBasis = XMVector3.Normalize(yBasis);
XMVector zBasis = XMVector3.Cross(xBasis, yBasis);
mModelRot.M11 = xBasis.X;
mModelRot.M12 = xBasis.Y;
mModelRot.M13 = xBasis.Z;
mModelRot.M21 = yBasis.X;
mModelRot.M22 = yBasis.Y;
mModelRot.M23 = yBasis.Z;
mModelRot.M31 = zBasis.X;
mModelRot.M32 = zBasis.Y;
mModelRot.M33 = zBasis.Z;
// Translate the rotation matrix to the same position as the lookAt position
mModelRot.M41 = vLookAt.X;
mModelRot.M42 = vLookAt.Y;
mModelRot.M43 = vLookAt.Z;
m_mModelRot = mModelRot;
// Translate world matrix so its at the center of the model
XMMatrix mTrans = XMMatrix.Translation(-m_vModelCenter.X, -m_vModelCenter.Y, -m_vModelCenter.Z);
XMMatrix mWorld = mTrans * mModelRot;
m_mWorld = mWorld;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
byte[] renderSceneVertexShaderBytecode = File.ReadAllBytes("RenderSceneVertexShader.cso");
this.g_pSceneVS = this.deviceResources.D3DDevice.CreateVertexShader(renderSceneVertexShaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "NORMAL",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 12,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "TEXTURE",
SemanticIndex = 0,
Format = DxgiFormat.R32G32Float,
InputSlot = 0,
AlignedByteOffset = 24,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.g_pSceneVertexLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, renderSceneVertexShaderBytecode);
byte[] renderScenePixelShaderBytecode = File.ReadAllBytes("RenderScenePixelShader.cso");
this.g_pScenePS = this.deviceResources.D3DDevice.CreatePixelShader(renderScenePixelShaderBytecode, null);
byte[] renderSceneShadowMapVertexShaderBytecode = File.ReadAllBytes("RenderSceneShadowMapVertexShader.cso");
this.g_pShadowMapVS = this.deviceResources.D3DDevice.CreateVertexShader(renderSceneShadowMapVertexShaderBytecode, null);
this.g_SceneMesh = SdkMeshFile.FromFile(this.deviceResources.D3DDevice, this.deviceResources.D3DContext, @"ColumnScene\scene.sdkmesh");
this.g_Poles = SdkMeshFile.FromFile(this.deviceResources.D3DDevice, this.deviceResources.D3DContext, @"ColumnScene\poles.sdkmesh");
this.g_pcbConstants = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferConstants.Size, D3D11BindOptions.ConstantBuffer));
D3D11SamplerDesc samplerDesc = new D3D11SamplerDesc(
D3D11Filter.ComparisonMinMagMipPoint,
D3D11TextureAddressMode.Border,
D3D11TextureAddressMode.Border,
D3D11TextureAddressMode.Border,
0.0f,
1,
D3D11ComparisonFunction.LessEqual,
new float[] { 1.0f, 1.0f, 1.0f, 1.0f },
0.0f,
float.MaxValue);
// PointCmp
this.g_pSamplePointCmp = this.deviceResources.D3DDevice.CreateSamplerState(samplerDesc);
// Point
samplerDesc.Filter = D3D11Filter.MinMagMipPoint;
samplerDesc.ComparisonFunction = D3D11ComparisonFunction.Always;
this.g_pSamplePoint = this.deviceResources.D3DDevice.CreateSamplerState(samplerDesc);
// Linear
samplerDesc.Filter = D3D11Filter.MinMagMipLinear;
samplerDesc.AddressU = D3D11TextureAddressMode.Wrap;
samplerDesc.AddressV = D3D11TextureAddressMode.Wrap;
samplerDesc.AddressW = D3D11TextureAddressMode.Wrap;
this.g_pSampleLinear = this.deviceResources.D3DDevice.CreateSamplerState(samplerDesc);
// Create a blend state to disable alpha blending
D3D11BlendDesc blendDesc = D3D11BlendDesc.Default;
blendDesc.IsIndependentBlendEnabled = false;
D3D11RenderTargetBlendDesc[] blendDescRenderTargets = blendDesc.GetRenderTargets();
blendDescRenderTargets[0].IsBlendEnabled = false;
blendDescRenderTargets[0].RenderTargetWriteMask = D3D11ColorWriteEnables.All;
blendDesc.SetRenderTargets(blendDescRenderTargets);
this.g_pBlendStateNoBlend = this.deviceResources.D3DDevice.CreateBlendState(blendDesc);
blendDescRenderTargets[0].RenderTargetWriteMask = D3D11ColorWriteEnables.None;
blendDesc.SetRenderTargets(blendDescRenderTargets);
this.g_pBlendStateColorWritesOff = this.deviceResources.D3DDevice.CreateBlendState(blendDesc);
// textures / rts
D3D11Texture2DDesc TDesc = new D3D11Texture2DDesc(
DxgiFormat.R16Typeless,
(uint)g_fShadowMapWidth,
(uint)g_fShadowMapHeight,
1,
1,
D3D11BindOptions.DepthStencil | D3D11BindOptions.ShaderResource);
this.g_pShadowMapDepthStencilTexture = this.deviceResources.D3DDevice.CreateTexture2D(TDesc);
D3D11ShaderResourceViewDesc SRVDesc = new D3D11ShaderResourceViewDesc
{
Format = DxgiFormat.R16UNorm,
ViewDimension = D3D11SrvDimension.Texture2D,
Texture2D = new D3D11Texture2DSrv
{
MipLevels = 1,
MostDetailedMip = 0
}
};
this.g_pDepthTextureSRV = this.deviceResources.D3DDevice.CreateShaderResourceView(this.g_pShadowMapDepthStencilTexture, SRVDesc);
D3D11DepthStencilViewDesc DSVDesc = new D3D11DepthStencilViewDesc
{
Format = DxgiFormat.D16UNorm,
ViewDimension = D3D11DsvDimension.Texture2D,
Options = D3D11DepthStencilViewOptions.None,
Texture2D = new D3D11Texture2DDsv
{
MipSlice = 0
}
};
this.g_pDepthStencilTextureDSV = this.deviceResources.D3DDevice.CreateDepthStencilView(this.g_pShadowMapDepthStencilTexture, DSVDesc);
XMFloat3 vecEye = new XMFloat3(0.95f, 5.83f, -14.48f);
XMFloat3 vecAt = new XMFloat3(0.90f, 5.44f, -13.56f);
XMFloat3 vecUp = new XMFloat3(0.0f, 1.0f, 0.0f);
this.ViewMatrix = XMMatrix.LookAtLH(vecEye, vecAt, vecUp);
this.WorldMatrix = XMMatrix.Identity;
XMFloat3 vecEyeL = new XMFloat3(0, 0, 0);
XMFloat3 vecAtL = new XMFloat3(0, -0.5f, 1);
XMFloat3 vecUUpL = new XMFloat3(0.0f, 1.0f, 0.0f);
this.LightViewMatrix = XMMatrix.LookAtLH(vecEyeL, vecAtL, vecUUpL);
this.LightWorldMatrix = XMMatrix.Identity;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
byte[] vertexShaderBytecode = File.ReadAllBytes("VertexShader.cso");
this.vertexShader = this.deviceResources.D3DDevice.CreateVertexShader(vertexShaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "TEXCOORD",
SemanticIndex = 0,
Format = DxgiFormat.R32G32Float,
InputSlot = 0,
AlignedByteOffset = 12,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.inputLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, vertexShaderBytecode);
byte[] pixelShaderBytecode = File.ReadAllBytes("PixelShader.cso");
this.pixelShader = this.deviceResources.D3DDevice.CreatePixelShader(pixelShaderBytecode, null);
var vertexBufferDesc = D3D11BufferDesc.From(MainGameComponent.Vertices, D3D11BindOptions.VertexBuffer);
this.vertexBuffer = this.deviceResources.D3DDevice.CreateBuffer(vertexBufferDesc, MainGameComponent.Vertices, 0, 0);
var indexBufferDesc = D3D11BufferDesc.From(MainGameComponent.Indices, D3D11BindOptions.IndexBuffer);
this.indexBuffer = this.deviceResources.D3DDevice.CreateBuffer(indexBufferDesc, MainGameComponent.Indices, 0, 0);
this.constantBufferNeverChanges = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferNeverChangesData.Size, D3D11BindOptions.ConstantBuffer));
this.constantBufferChangesOnResize = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferChangesOnResizeData.Size, D3D11BindOptions.ConstantBuffer));
this.constantBufferChangesEveryFrame = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferChangesEveryFrameData.Size, D3D11BindOptions.ConstantBuffer));
DdsDirectX.CreateTexture(
"seafloor.dds",
this.deviceResources.D3DDevice,
this.deviceResources.D3DContext,
out this.textureView);
D3D11SamplerDesc samplerDesc = new D3D11SamplerDesc(
D3D11Filter.MinMagMipLinear,
D3D11TextureAddressMode.Wrap,
D3D11TextureAddressMode.Wrap,
D3D11TextureAddressMode.Wrap,
0.0f,
0,
D3D11ComparisonFunction.Never,
new float[] { 0.0f, 0.0f, 0.0f, 0.0f },
0.0f,
float.MaxValue);
this.sampler = this.deviceResources.D3DDevice.CreateSamplerState(samplerDesc);
this.worldMatrix = XMMatrix.Identity;
XMVector eye = new XMVector(0.0f, 3.0f, -6.0f, 0.0f);
XMVector at = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
XMVector up = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
this.viewMatrix = XMMatrix.LookAtLH(eye, at, up);
ConstantBufferNeverChangesData cbNeverChanges;
cbNeverChanges.View = this.viewMatrix.Transpose();
this.deviceResources.D3DContext.UpdateSubresource(this.constantBufferNeverChanges, 0, null, cbNeverChanges, 0, 0);
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
byte[] vertexShaderBytecode = File.ReadAllBytes("VertexShader.cso");
this.vertexShader = this.deviceResources.D3DDevice.CreateVertexShader(vertexShaderBytecode, null);
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "POSITION",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "NORMAL",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32Float,
InputSlot = 0,
AlignedByteOffset = 12,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
},
new D3D11InputElementDesc
{
SemanticName = "TEXCOORD",
SemanticIndex = 0,
Format = DxgiFormat.R32G32Float,
InputSlot = 0,
AlignedByteOffset = 24,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.inputLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, vertexShaderBytecode);
byte[] pixelShaderBytecode = File.ReadAllBytes("PixelShader.cso");
this.pixelShader = this.deviceResources.D3DDevice.CreatePixelShader(pixelShaderBytecode, null);
this.constantBufferPerObject = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferPerObject.Size, D3D11BindOptions.ConstantBuffer));
this.constantBufferPerFrame = this.deviceResources.D3DDevice.CreateBuffer(
new D3D11BufferDesc(ConstantBufferPerFrame.Size, D3D11BindOptions.ConstantBuffer));
D3D11SamplerDesc samplerDesc = new D3D11SamplerDesc(
D3D11Filter.MinMagMipLinear,
D3D11TextureAddressMode.Wrap,
D3D11TextureAddressMode.Wrap,
D3D11TextureAddressMode.Wrap,
0.0f,
1,
D3D11ComparisonFunction.Always,
new float[] { 0.0f, 0.0f, 0.0f, 0.0f },
0.0f,
float.MaxValue);
this.sampler = this.deviceResources.D3DDevice.CreateSamplerState(samplerDesc);
DdsDirectX.CreateTexture(
"seafloor.dds",
this.deviceResources.D3DDevice,
this.deviceResources.D3DContext,
out this.textureView);
this.mesh = SdkMeshFile.FromFile(
this.deviceResources.D3DDevice,
this.deviceResources.D3DContext,
"ball.sdkmesh");
XMVector eye = new XMVector(0.0f, 0.0f, -5.0f, 0.0f);
XMVector at = new XMVector(0.0f, 0.0f, -0.0f, 0.0f);
XMVector up = new XMVector(0.0f, 1.0f, 0.0f, 0.0f);
this.ViewMatrix = XMMatrix.LookAtLH(eye, at, up);
this.WorldMatrix = XMMatrix.Identity;
}
public override void FrameMove(double fElapsedTime)
{
if (IsKeyDown(m_aKeys[(int)SdkCameraKey.Reset]))
{
Reset();
}
// Get keyboard/mouse/gamepad input
GetInput(m_bEnablePositionMovement, (m_nActiveButtonMask & m_nCurrentButtonMask) != 0 || m_bRotateWithoutButtonDown);
//// Get the mouse movement (if any) if the mouse button are down
//if( (m_nActiveButtonMask & m_nCurrentButtonMask) || m_bRotateWithoutButtonDown )
// UpdateMouseDelta( fElapsedTime );
// Get amount of velocity based on the keyboard input and drag (if any)
UpdateVelocity(fElapsedTime);
// Simple euler method to calculate position delta
XMVector vVelocity = m_vVelocity;
XMVector vPosDelta = vVelocity * (float)fElapsedTime;
// If rotating the camera
if ((m_nActiveButtonMask & m_nCurrentButtonMask) != 0 || m_bRotateWithoutButtonDown)
{
// Update the pitch & yaw angle based on mouse movement
float fYawDelta = m_vRotVelocity.X;
float fPitchDelta = m_vRotVelocity.Y;
// Invert pitch if requested
if (m_bInvertPitch)
{
fPitchDelta = -fPitchDelta;
}
m_fCameraPitchAngle += fPitchDelta;
m_fCameraYawAngle += fYawDelta;
// Limit pitch to straight up or straight down
m_fCameraPitchAngle = Math.Max(-XMMath.PIDivTwo, m_fCameraPitchAngle);
m_fCameraPitchAngle = Math.Min(+XMMath.PIDivTwo, m_fCameraPitchAngle);
}
// Make a rotation matrix based on the camera's yaw & pitch
XMMatrix mCameraRot = XMMatrix.RotationRollPitchYaw(m_fCameraPitchAngle, m_fCameraYawAngle, 0);
// Transform vectors based on camera's rotation matrix
XMVector vWorldUp = XMVector3.TransformCoord(XMVector.FromFloat(0.0f, 1.0f, 0.0f, 0.0f), mCameraRot);
XMVector vWorldAhead = XMVector3.TransformCoord(XMVector.FromFloat(0.0f, 0.0f, 1.0f, 0.0f), mCameraRot);
// Transform the position delta by the camera's rotation
if (!m_bEnableYAxisMovement)
{
// If restricting Y movement, do not include pitch
// when transforming position delta vector.
mCameraRot = XMMatrix.RotationRollPitchYaw(0.0f, m_fCameraYawAngle, 0.0f);
}
XMVector vPosDeltaWorld = XMVector3.TransformCoord(vPosDelta, mCameraRot);
// Move the eye position
XMVector vEye = m_vEye;
vEye += vPosDeltaWorld;
if (m_bClipToBoundary)
{
vEye = ConstrainToBoundary(vEye);
}
m_vEye = vEye;
// Update the lookAt position based on the eye position
XMVector vLookAt = vEye + vWorldAhead;
m_vLookAt = vLookAt;
// Update the view matrix
XMMatrix mView = XMMatrix.LookAtLH(vEye, vLookAt, vWorldUp);
m_mView = mView;
XMMatrix mCameraWorld = mView.Inverse();
m_mCameraWorld = mCameraWorld;
}
public void CreateDeviceDependentResources(DeviceResources resources)
{
this.deviceResources = resources;
var d3dDevice = this.deviceResources.D3DDevice;
// Create the shaders
byte[] renderParticlesVSBytecode = File.ReadAllBytes("ParticleDrawVS.cso");
this.g_pRenderParticlesVS = d3dDevice.CreateVertexShader(renderParticlesVSBytecode, null);
this.g_pRenderParticlesGS = d3dDevice.CreateGeometryShader(File.ReadAllBytes("ParticleDrawGS.cso"), null);
this.g_pRenderParticlesPS = d3dDevice.CreatePixelShader(File.ReadAllBytes("ParticleDrawPS.cso"), null);
this.g_pCalcCS = d3dDevice.CreateComputeShader(File.ReadAllBytes("NBodyGravityCS.cso"), null);
// Create our vertex input layout
D3D11InputElementDesc[] layoutDesc = new D3D11InputElementDesc[]
{
new D3D11InputElementDesc
{
SemanticName = "COLOR",
SemanticIndex = 0,
Format = DxgiFormat.R32G32B32A32Float,
InputSlot = 0,
AlignedByteOffset = 0,
InputSlotClass = D3D11InputClassification.PerVertexData,
InstanceDataStepRate = 0
}
};
this.g_pParticleVertexLayout = this.deviceResources.D3DDevice.CreateInputLayout(layoutDesc, renderParticlesVSBytecode);
this.CreateParticleBuffer();
this.CreateParticlePosVeloBuffers();
// Setup constant buffer
this.g_pcbGS = d3dDevice.CreateBuffer(new D3D11BufferDesc(ConstantBufferGS.Size, D3D11BindOptions.ConstantBuffer));
this.g_pcbCS = d3dDevice.CreateBuffer(new D3D11BufferDesc(ConstantBufferCS.Size, D3D11BindOptions.ConstantBuffer));
// Load the Particle Texture
DdsDirectX.CreateTexture(
"Particle.dds",
this.deviceResources.D3DDevice,
this.deviceResources.D3DContext,
out this.g_pParticleTexRV);
D3D11SamplerDesc SamplerDesc = D3D11SamplerDesc.Default;
SamplerDesc.AddressU = D3D11TextureAddressMode.Clamp;
SamplerDesc.AddressV = D3D11TextureAddressMode.Clamp;
SamplerDesc.AddressW = D3D11TextureAddressMode.Clamp;
SamplerDesc.Filter = D3D11Filter.MinMagMipLinear;
this.g_pSampleStateLinear = d3dDevice.CreateSamplerState(SamplerDesc);
D3D11BlendDesc BlendStateDesc = D3D11BlendDesc.Default;
D3D11RenderTargetBlendDesc[] BlendStateDescRenderTargets = BlendStateDesc.GetRenderTargets();
BlendStateDescRenderTargets[0].IsBlendEnabled = true;
BlendStateDescRenderTargets[0].BlendOperation = D3D11BlendOperation.Add;
BlendStateDescRenderTargets[0].SourceBlend = D3D11BlendValue.SourceAlpha;
BlendStateDescRenderTargets[0].DestinationBlend = D3D11BlendValue.One;
BlendStateDescRenderTargets[0].BlendOperationAlpha = D3D11BlendOperation.Add;
BlendStateDescRenderTargets[0].SourceBlendAlpha = D3D11BlendValue.Zero;
BlendStateDescRenderTargets[0].DestinationBlendAlpha = D3D11BlendValue.Zero;
BlendStateDescRenderTargets[0].RenderTargetWriteMask = D3D11ColorWriteEnables.All;
BlendStateDesc.SetRenderTargets(BlendStateDescRenderTargets);
this.g_pBlendingStateParticle = d3dDevice.CreateBlendState(BlendStateDesc);
D3D11DepthStencilDesc DepthStencilDesc = D3D11DepthStencilDesc.Default;
DepthStencilDesc.IsDepthEnabled = false;
DepthStencilDesc.DepthWriteMask = D3D11DepthWriteMask.Zero;
this.g_pDepthStencilState = d3dDevice.CreateDepthStencilState(DepthStencilDesc);
XMFloat3 eye = new XMFloat3(-Spread * 2, Spread * 4, -Spread * 3);
XMFloat3 at = new XMFloat3(0.0f, 0.0f, 0.0f);
XMFloat3 up = new XMFloat3(0.0f, 1.0f, 0.0f);
this.ViewMatrix = XMMatrix.LookAtLH(eye, at, up);
}
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);
}
