C++ CModelViewerCamera类代码示例

//--------------------------------------------------------------------------------------
// Create any D3D9 resources that won't live through a device reset (D3DPOOL_DEFAULT) 
// or that are tied to the back buffer size 
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
                                const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnD3D9ResetDevice() );
    V_RETURN( g_SettingsDlg.OnD3D9ResetDevice() );

    if( g_pFont )
        V_RETURN( g_pFont->OnResetDevice() );
    if( g_pEffect )
        V_RETURN( g_pEffect->OnResetDevice() );

    // Create a sprite to help batch calls when drawing many lines of text
    V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );

    // Setup the camera's projection parameters
    float fAspectRatio = pBackBufferSurfaceDesc->Width / ( FLOAT )pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams( D3DX_PI / 4, fAspectRatio, 0.1f, 1000.0f );
    g_Camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );

    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width - 170, 0 );
    g_HUD.SetSize( 170, 170 );
    g_SampleUI.SetLocation( 0, 0 );
    g_SampleUI.SetSize( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );

    g_SampleUI.GetControl( IDC_STATIC )->SetSize( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height * 6 /
                                                  10 );
    g_SampleUI.GetControl( IDC_OUTPUT )->SetSize( pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height /
                                                  4 );
    g_SampleUI.GetControl( IDC_EDITBOX1 )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 230 );
    g_SampleUI.GetControl( IDC_EDITBOX1 )->SetSize( pBackBufferSurfaceDesc->Width - 40, 32 );
    if( g_SampleUI.GetControl( IDC_EDITBOX2 ) )
    {
        g_SampleUI.GetControl( IDC_EDITBOX2 )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 280 );
        g_SampleUI.GetControl( IDC_EDITBOX2 )->SetSize( pBackBufferSurfaceDesc->Width - 40, 45 );
    }
    g_SampleUI.GetControl( IDC_ENABLEIME )->SetLocation( 130, pBackBufferSurfaceDesc->Height - 80 );
    g_SampleUI.GetControl( IDC_DISABLEIME )->SetLocation( 220, pBackBufferSurfaceDesc->Height - 80 );
    g_SampleUI.GetControl( IDC_SLIDER )->SetLocation( 10, pBackBufferSurfaceDesc->Height - 140 );
    g_SampleUI.GetControl( IDC_CHECKBOX )->SetLocation( 120, pBackBufferSurfaceDesc->Height - 50 );
    g_SampleUI.GetControl( IDC_CLEAREDIT )->SetLocation( 120, pBackBufferSurfaceDesc->Height - 25 );
    g_SampleUI.GetControl( IDC_COMBOBOX )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 180 );
    g_SampleUI.GetControl( IDC_RADIO1A )->SetLocation( pBackBufferSurfaceDesc->Width - 160, 100 );
    g_SampleUI.GetControl( IDC_RADIO1B )->SetLocation( pBackBufferSurfaceDesc->Width - 160, 124 );
    g_SampleUI.GetControl( IDC_RADIO1C )->SetLocation( pBackBufferSurfaceDesc->Width - 160, 148 );
    g_SampleUI.GetControl( IDC_RADIO2A )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 100 );
    g_SampleUI.GetControl( IDC_RADIO2B )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 76 );
    g_SampleUI.GetControl( IDC_RADIO2C )->SetLocation( 20, pBackBufferSurfaceDesc->Height - 52 );
    g_SampleUI.GetControl( IDC_LISTBOX )->SetLocation( pBackBufferSurfaceDesc->Width - 400,
                                                       pBackBufferSurfaceDesc->Height - 180 );
    g_SampleUI.GetControl( IDC_LISTBOX )->SetSize( 190, 96 );
    g_SampleUI.GetControl( IDC_LISTBOXM )->SetLocation( pBackBufferSurfaceDesc->Width - 200,
                                                        pBackBufferSurfaceDesc->Height - 180 );
    g_SampleUI.GetControl( IDC_LISTBOXM )->SetSize( 190, 124 );
    
    g_Mesh.RestoreDeviceObjects( pd3dDevice );

    return S_OK;
}

//--------------------------------------------------------------------------------------
// Create any D3D9 resources that won't live through a device reset (D3DPOOL_DEFAULT) 
// or that are tied to the back buffer size 
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D9ResetDevice( IDirect3DDevice9* pd3dDevice,
                                    const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnD3D9ResetDevice() );
    V_RETURN( g_D3DSettingsDlg.OnD3D9ResetDevice() );

    if( g_pFont9 ) V_RETURN( g_pFont9->OnResetDevice() );
    if( g_pEffect9 ) V_RETURN( g_pEffect9->OnResetDevice() );

    // Create a sprite to help batch calls when drawing many lines of text
    V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pSprite9 ) );
    g_pTxtHelper = new CDXUTTextHelper( g_pFont9, g_pSprite9, 15 );

        g_LightControl.OnD3D9ResetDevice( pBackBufferSurfaceDesc );

    // Setup the camera's projection parameters
    float fAspectRatio = pBackBufferSurfaceDesc->Width / ( FLOAT )pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams( D3DX_PI / 4, fAspectRatio, 2.0f, 4000.0f );
    g_Camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
    g_Camera.SetButtonMasks( MOUSE_LEFT_BUTTON, MOUSE_WHEEL, MOUSE_MIDDLE_BUTTON );

    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width - 170, 0 );
    g_HUD.SetSize( 170, 170 );
    g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height - 300 );
    g_SampleUI.SetSize( 170, 300 );

    return S_OK;
}

//--------------------------------------------------------------------------------------
// Create any D3D10 resources that depend on the back buffer
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D10ResizedSwapChain(ID3D10Device* pd3dDevice,
		IDXGISwapChain* pSwapChain,
		const DXGI_SURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext)
{
	HRESULT hr;
	V_RETURN(g_DialogResourceManager.OnD3D10ResizedSwapChain(pd3dDevice,
			 pBackBufferSurfaceDesc));
	V_RETURN(g_D3DSettingsDlg.OnD3D10ResizedSwapChain(pd3dDevice,
			 pBackBufferSurfaceDesc));
	// Setup the camera's projection parameters
	float fAspectRatio =
		1.0;//pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
	g_Camera.SetProjParams(D3DX_PI / 4, fAspectRatio, 0.1f, 10.0f);
	g_Camera.SetWindow(pBackBufferSurfaceDesc->Width,
					   pBackBufferSurfaceDesc->Height);
	g_Camera.SetButtonMasks(MOUSE_RIGHT_BUTTON, MOUSE_WHEEL, MOUSE_MIDDLE_BUTTON);
	g_HUD.SetLocation(pBackBufferSurfaceDesc->Width - 170, 0);
	g_HUD.SetSize(170, 170);
	g_SampleUI.SetLocation(pBackBufferSurfaceDesc->Width - 170,
						   pBackBufferSurfaceDesc->Height - 300);
	g_SampleUI.SetSize(170, 300);
	// resize the texture so that it fits to the current screen size
	UINT width = (DXUTIsAppRenderingWithD3D9()) ?
				 DXUTGetD3D9BackBufferSurfaceDesc()->Width :
				 DXUTGetDXGIBackBufferSurfaceDesc()->Width;
	UINT height = (DXUTIsAppRenderingWithD3D9()) ?
				  DXUTGetD3D9BackBufferSurfaceDesc()->Height :
				  DXUTGetDXGIBackBufferSurfaceDesc()->Height;
	g_vsObj->SetupTextures(pd3dDevice, g_pEffect10, width, height);
	return S_OK;
}

//--------------------------------------------------------------------------------------
// This callback function will be called immediately after the Direct3D device has been 
// reset, which will happen after a lost device scenario. This is the best location to 
// create D3DPOOL_DEFAULT resources since these resources need to be reloaded whenever 
// the device is lost. Resources created here should be released in the OnLostDevice 
// callback. 
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
                                const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnD3D9ResetDevice() );
    V_RETURN( g_SettingsDlg.OnD3D9ResetDevice() );

    if( g_pFont )
        V_RETURN( g_pFont->OnResetDevice() );
    if( g_pEffect )
        V_RETURN( g_pEffect->OnResetDevice() );

    g_LightControl.OnD3D9ResetDevice( pBackBufferSurfaceDesc );
    g_Skybox.OnResetDevice( pBackBufferSurfaceDesc );

    // Create a sprite to help batch calls when drawing many lines of text
    V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );

    // Setup the camera's projection parameters
    float fAspectRatio = pBackBufferSurfaceDesc->Width / ( FLOAT )pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams( D3DX_PI / 4, fAspectRatio, 0.001f, 1000.0f );
    g_Camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
    g_Camera.SetButtonMasks( MOUSE_LEFT_BUTTON, MOUSE_WHEEL, MOUSE_RIGHT_BUTTON );
    g_Camera.SetAttachCameraToModel( true );
    g_Camera.SetRadius( 5.0f, 0.1f, 20.0f );

    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width - 170, 0 );
    g_HUD.SetSize( 170, 170 );
    g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width - 300, pBackBufferSurfaceDesc->Height - 245 );
    g_SampleUI.SetSize( 300, 300 );

    return S_OK;
}

//--------------------------------------------------------------------------------------
// Create any D3D10 resources that depend on the back buffer
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D10SwapChainResized( ID3D10Device* pd3dDevice, IDXGISwapChain* pSwapChain,
                                          const DXGI_SURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
    HRESULT hr = S_OK;

    V_RETURN( g_DialogResourceManager.OnD3D10ResizedSwapChain( pd3dDevice, pBackBufferSurfaceDesc ) );
    V_RETURN( g_D3DSettingsDlg.OnD3D10ResizedSwapChain( pd3dDevice, pBackBufferSurfaceDesc ) );

    // Setup the camera's projection parameters
    float fAspectRatio = pBackBufferSurfaceDesc->Width / ( FLOAT )pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams( 60.0f * ( D3DX_PI / 180.0f ), fAspectRatio, 0.1f, 100.0f );
    g_Camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
    g_Camera.SetButtonMasks( MOUSE_LEFT_BUTTON, MOUSE_WHEEL, MOUSE_MIDDLE_BUTTON );

    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width - 170, 0 );
    g_HUD.SetSize( 170, 170 );
    g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height - 300 );
    g_SampleUI.SetSize( 170, 300 );

    // Update the sample count
    UpdateMSAASampleCounts( pd3dDevice, pBackBufferSurfaceDesc->Format );

    // Create a render target
    g_BackBufferWidth = pBackBufferSurfaceDesc->Width;
    g_BackBufferHeight = pBackBufferSurfaceDesc->Height;
    V_RETURN( CreateRenderTarget( pd3dDevice, g_BackBufferWidth, g_BackBufferHeight, g_MSAASampleCount, 0 ) );

    return hr;
}

//--------------------------------------------------------------------------------------
// Create any D3D11 resources that depend on the back buffer
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D11ResizedSwapChain(ID3D11Device* pd3dDevice, IDXGISwapChain* /*pSwapChain*/,
    const DXGI_SURFACE_DESC* pBackBufferSurfaceDesc, void* /*pUserContext*/)
{
    HRESULT hr;

    V_RETURN(g_DialogResourceManager.OnD3D11ResizedSwapChain(pd3dDevice, pBackBufferSurfaceDesc));
    V_RETURN(g_D3DSettingsDlg.OnD3D11ResizedSwapChain(pd3dDevice, pBackBufferSurfaceDesc));

    g_nFrameWidth = pBackBufferSurfaceDesc->Width;
    g_nFrameHeight = pBackBufferSurfaceDesc->Height;

    // Setup the camera's projection parameters    
    float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams(XM_PI / 4, fAspectRatio, 0.1f, 5000.0f);
    g_Camera.SetWindow(pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height);

    g_HUD.SetLocation(pBackBufferSurfaceDesc->Width - 170, 0);
    g_HUD.SetSize(170, 170);
    g_SampleUI.SetLocation(pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height - 350);
    g_SampleUI.SetSize(170, 300);

    g_OIT.OnD3D11ResizedSwapChain(pBackBufferSurfaceDesc, pd3dDevice);

    return S_OK;
}

//--------------------------------------------------------------------------------------
// Render the scene using the D3D11 device
//--------------------------------------------------------------------------------------
void CALLBACK OnD3D11FrameRender( ID3D11Device* pd3dDevice, ID3D11DeviceContext* pd3dImmediateContext,
                                  double fTime, float fElapsedTime, void* pUserContext )
{
	pd3dImmediateContext->ClearRenderTargetView(DXUTGetD3D11RenderTargetView(), Colors::MidnightBlue);
	pd3dImmediateContext->ClearDepthStencilView(DXUTGetD3D11DepthStencilView(), D3D11_CLEAR_DEPTH, 1.0, 0);
	
	XMMATRIX mview = g_camera.GetViewMatrix();
	XMMATRIX mproj = g_camera.GetProjMatrix();
	XMFLOAT4 LitDir = XMFLOAT4(-0.577f, 0.577f, -0.577f, 1.0f);
	XMFLOAT4 LitCol = XMFLOAT4(0.9f, 0.2f, 0.3f, 1.0f);

	/*
		SHADER CONSTANT BUFFER
	*/
	ConstantBuffer cb;
	XMStoreFloat4x4(&(cb.world), XMMatrixTranspose(g_mesh.World()));
	XMStoreFloat4x4(&(cb.view), XMMatrixTranspose(mview));
	XMStoreFloat4x4(&(cb.projection), XMMatrixTranspose(mproj));
	cb.litDir = LitDir;
	cb.litCol = LitCol;

	g_shader->RenderPrepare(&cb);

	g_mesh.Render();
}

//--------------------------------------------------------------------------------------
// This callback function will be called at the end of every frame to perform all the 
// rendering calls for the scene, and it will also be called if the window needs to be 
// repainted. After this function has returned, DXUT will call 
// IDirect3DDevice9::Present to display the contents of the next buffer in the swap chain
//--------------------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
{
    // If the settings dialog is being shown, then
    // render it instead of rendering the app's scene
    if( g_SettingsDlg.IsActive() )
    {
        g_SettingsDlg.OnRender( fElapsedTime );
        return;
    }

    HRESULT hr;
    D3DXMATRIXA16 mWorld;
    D3DXMATRIXA16 mView;
    D3DXMATRIXA16 mProj;
    D3DXMATRIXA16 mWorldViewProjection;


    // Clear the render target and the zbuffer 
    V( pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_ARGB( 0, 141, 153, 191 ), 1.0f, 0 ) );

    // Render the scene
    if( SUCCEEDED( pd3dDevice->BeginScene() ) )
    {
        // Get the projection & view matrix from the camera class
        mWorld = *g_Camera.GetWorldMatrix();
        mView = *g_Camera.GetViewMatrix();
        mProj = *g_Camera.GetProjMatrix();

        mWorldViewProjection = mWorld * mView * mProj;

        // Update the effect's variables. 
        V( g_pEffect->SetMatrix( g_hWorldViewProjection, &mWorldViewProjection ) );
        V( g_pEffect->SetMatrix( g_hWorld, &mWorld ) );
        V( g_pEffect->SetFloat( g_hTime, ( float )fTime ) );
        V( g_pEffect->SetValue( g_hCameraPosition, g_Camera.GetEyePt(), sizeof( D3DXVECTOR3 ) ) );

        UINT iCurSubset = ( UINT )( INT_PTR )g_SampleUI.GetComboBox( IDC_SUBSET )->GetSelectedData();

        // A subset of -1 was arbitrarily chosen to represent all subsets
        if( iCurSubset == -1 )
        {
            // Iterate through subsets, changing material properties for each
            for( UINT iSubset = 0; iSubset < g_MeshLoader.GetNumMaterials(); iSubset++ )
            {
                RenderSubset( iSubset );
            }
        }
        else
        {
            RenderSubset( iCurSubset );
        }

        RenderText();
        V( g_HUD.OnRender( fElapsedTime ) );
        V( g_SampleUI.OnRender( fElapsedTime ) );

        V( pd3dDevice->EndScene() );
    }
}

//--------------------------------------------------------------------------------------
// Render the scene using the D3D9 device
//--------------------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
{
    if( g_SettingsDlg.IsActive() )
    {
        g_SettingsDlg.OnRender( fElapsedTime );
        return;
    }

    HRESULT hr;
    D3DXMATRIXA16 mWorld;
    D3DXMATRIXA16 mView;
    D3DXMATRIXA16 mProj;
    D3DXMATRIXA16 mWorldViewProjection;

    // Clear the render target and the zbuffer 
    V( pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_ARGB( 0, 45, 50, 170 ), 1.0f, 0 ) );

    // Render the scene
    if( SUCCEEDED( pd3dDevice->BeginScene() ) )
    {
        // Get the projection & view matrix from the camera class
        mWorld = *g_Camera.GetWorldMatrix();
        mProj = *g_Camera.GetProjMatrix();
        mView = g_mView;

        mWorldViewProjection = mWorld * mView * mProj;

        // Update the effect's variables.  Instead of using strings, it would 
        // be more efficient to cache a handle to the parameter by calling 
        // ID3DXEffect::GetParameterByName
        V( g_pEffect->SetMatrix( "g_mWorldViewProjection", &mWorldViewProjection ) );
        V( g_pEffect->SetMatrix( "g_mWorld", &mWorld ) );
        V( g_pEffect->SetFloat( "g_fTime", ( float )fTime ) );

        g_pEffect->SetTechnique( "RenderScene" );
        UINT cPasses;
        g_pEffect->Begin( &cPasses, 0 );
        ID3DXMesh* pMesh = g_Mesh.GetMesh();
        for( UINT p = 0; p < cPasses; ++p )
        {
            g_pEffect->BeginPass( p );
            for( UINT m = 0; m < g_Mesh.m_dwNumMaterials; ++m )
            {
                g_pEffect->SetTexture( "g_txScene", g_Mesh.m_pTextures[m] );
                g_pEffect->CommitChanges();
                pMesh->DrawSubset( m );
            }
            g_pEffect->EndPass();
        }
        g_pEffect->End();

        RenderText();
        V( g_HUD.OnRender( fElapsedTime ) );
        V( g_SampleUI.OnRender( fElapsedTime ) );

        V( pd3dDevice->EndScene() );
    }
}

//--------------------------------------------------------------------------------------
// This callback function will be called at the end of every frame to perform all the 
// rendering calls for the scene, and it will also be called if the window needs to be 
// repainted. After this function has returned, DXUT will call 
// IDirect3DDevice9::Present to display the contents of the next buffer in the swap chain
//--------------------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
{
    // If the settings dialog is being shown, then
    // render it instead of rendering the app's scene
    if( g_SettingsDlg.IsActive() )
    {
        g_SettingsDlg.OnRender( fElapsedTime );
        return;
    }

    HRESULT hr;

    // Clear the render target and the zbuffer 
    V( pd3dDevice->Clear( 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_ARGB( 0, 50, 50, 50 ), 1.0f, 0 ) );

    // Render the scene
    if( SUCCEEDED( pd3dDevice->BeginScene() ) )
    {
        // Get the projection & view matrix from the camera class
        D3DXMATRIXA16 mViewProjection = ( *g_Camera.GetViewMatrix() ) * ( *g_Camera.GetProjMatrix() );

        g_Skybox.SetDrawSH( false );
        g_Skybox.Render( &mViewProjection, 1.0f, 1.0f );

        V( g_pEffect->SetMatrix( "g_mViewProjection", &mViewProjection ) );
        V( g_pEffect->SetFloat( "g_fTime", ( float )fTime ) );

        // Set the amount of transmitted light per color channel
        D3DXVECTOR3 vColorTransmit;
        vColorTransmit.x = g_SampleUI.GetSlider( IDC_RED_TRANSMIT_SLIDER )->GetValue() / 1000.0f;
        vColorTransmit.y = g_SampleUI.GetSlider( IDC_GREEN_TRANSMIT_SLIDER )->GetValue() / 1000.0f;
        vColorTransmit.z = g_SampleUI.GetSlider( IDC_BLUE_TRANSMIT_SLIDER )->GetValue() / 1000.0f;
        V( g_pEffect->SetFloatArray( "g_vColorTransmit", vColorTransmit, 3 ) );

        // for Cubic degree rendering
        V( g_pEffect->SetFloat( "g_fLightIntensity", g_fLightIntensity ) );
        V( g_pEffect->SetFloatArray( "g_vLightDirection", g_vLightDirection, 3 * sizeof( float ) ) );
        V( g_pEffect->SetFloatArray( "g_vLightCoeffsR", m_fRLC, 4 * sizeof( float ) ) );
        V( g_pEffect->SetFloatArray( "g_vLightCoeffsG", m_fGLC, 4 * sizeof( float ) ) );
        V( g_pEffect->SetFloatArray( "g_vLightCoeffsB", m_fBLC, 4 * sizeof( float ) ) );

        pd3dDevice->SetRenderState( D3DRS_FILLMODE, g_bWireFrame ? D3DFILL_WIREFRAME : D3DFILL_SOLID );

        DrawFrame( pd3dDevice, g_pFrameRoot );

        DXUT_BeginPerfEvent( DXUT_PERFEVENTCOLOR, L"HUD / Stats" ); // These events are to help PIX identify what the code is doing
        RenderText();
        V( g_HUD.OnRender( fElapsedTime ) );
        V( g_SampleUI.OnRender( fElapsedTime ) );
        V( g_LightControl.OnRender9( D3DXCOLOR( 1, 1, 1, 1 ), ( D3DXMATRIX* )g_Camera.GetViewMatrix(),
                                     ( D3DXMATRIX* )g_Camera.GetProjMatrix(), g_Camera.GetEyePt() ) );
        DXUT_EndPerfEvent();

        V( pd3dDevice->EndScene() );
    }
}

//--------------------------------------------------------------------------------------
// Create any D3D11 resources that depend on the back buffer
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D11ResizedSwapChain( ID3D11Device* pd3dDevice, IDXGISwapChain* pSwapChain,
                                          const DXGI_SURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{

	float fAspectRatio = pBackBufferSurfaceDesc->Width / (FLOAT)pBackBufferSurfaceDesc->Height;
	g_camera.SetProjParams(XM_PI / 4, fAspectRatio, 0.1f, 1000.0f);
	g_camera.SetWindow(pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height);
	g_camera.SetButtonMasks(MOUSE_LEFT_BUTTON, MOUSE_WHEEL, MOUSE_RIGHT_BUTTON);


    return S_OK;
}

//--------------------------------------------------------------------------------------
// Render the scene using the D3D10 device
//--------------------------------------------------------------------------------------
void CALLBACK OnD3D10FrameRender( ID3D10Device* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext )
{
    // Clear the render target
    float ClearColor[4] = { 0.9569f, 0.9569f, 1.0f, 0.0f };
    ID3D10RenderTargetView* pRTV = DXUTGetD3D10RenderTargetView();
    pd3dDevice->ClearRenderTargetView( pRTV, ClearColor );
    ID3D10DepthStencilView* pDSV = DXUTGetD3D10DepthStencilView();
    pd3dDevice->ClearDepthStencilView( pDSV, D3D10_CLEAR_DEPTH, 1.0, 0 );

    // Render the result
    D3DXMATRIX mWorld;
    D3DXMATRIX mView;
    D3DXMATRIX mProj;
    D3DXMATRIX mWorldView;
    D3DXMATRIX mWorldViewProj;
    mWorld = *g_Camera.GetWorldMatrix();
    mProj = *g_Camera.GetProjMatrix();
    mView = *g_Camera.GetViewMatrix();
    mWorldView = mWorld * mView;
    mWorldViewProj = mWorldView * mProj;

    // Set variables
    g_pmWorldViewProj->SetMatrix( ( float* )&mWorldViewProj );
    g_pmWorldView->SetMatrix( ( float* )&mWorldView );
    g_pmWorld->SetMatrix( ( float* )&mWorld );
    g_pmView->SetMatrix( ( float* )&mView );
    g_pmProj->SetMatrix( ( float* )&mProj );
    g_pDiffuseTex->SetResource( g_pMeshTexRV );
    D3DXVECTOR3 lightDir( -1,1,-1 );
    D3DXVECTOR3 viewLightDir;
    D3DXVec3TransformNormal( &viewLightDir, &lightDir, &mView );
    D3DXVec3Normalize( &viewLightDir, &viewLightDir );
    g_pViewSpaceLightDir->SetFloatVector( ( float* )&viewLightDir );

    // Set Input Assembler params
    UINT stride = g_VertStride;
    UINT offset = 0;
    pd3dDevice->IASetInputLayout( g_pVertexLayout );
    pd3dDevice->IASetPrimitiveTopology( D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST );
    pd3dDevice->IASetIndexBuffer( g_pIB, DXGI_FORMAT_R32_UINT, 0 );
    pd3dDevice->IASetVertexBuffers( 0, 1, &g_pVB, &stride, &offset );

    // Render using the technique g_pRenderTextured
    D3D10_TECHNIQUE_DESC techDesc;
    g_pRenderTextured->GetDesc( &techDesc );
    for( UINT p = 0; p < techDesc.Passes; p++ )
    {
        g_pRenderTextured->GetPassByIndex( p )->Apply( 0 );
        pd3dDevice->DrawIndexed( g_NumIndices, 0, 0 );
    }
}

//--------------------------------------------------------------------------------------
// This callback function will be called immediately after the Direct3D device has been 
// reset, which will happen after a lost device scenario. This is the best location to 
// create D3DPOOL_DEFAULT resources since these resources need to be reloaded whenever 
// the device is lost. Resources created here should be released in the OnLostDevice 
// callback. 
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
                                const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnD3D9ResetDevice() );
    V_RETURN( g_SettingsDlg.OnD3D9ResetDevice() );

    if( g_pFont )
        V_RETURN( g_pFont->OnResetDevice() );
    if( g_pEffect )
        V_RETURN( g_pEffect->OnResetDevice() );

    // Store the correct technique handles for each material
    for( UINT i = 0; i < g_MeshLoader.GetNumMaterials(); i++ )
    {
        Material* pMaterial = g_MeshLoader.GetMaterial( i );

        const char* strTechnique = NULL;

        if( pMaterial->pTexture && pMaterial->bSpecular )
            strTechnique = "TexturedSpecular";
        else if( pMaterial->pTexture && !pMaterial->bSpecular )
            strTechnique = "TexturedNoSpecular";
        else if( !pMaterial->pTexture && pMaterial->bSpecular )
            strTechnique = "Specular";
        else if( !pMaterial->pTexture && !pMaterial->bSpecular )
            strTechnique = "NoSpecular";

        pMaterial->hTechnique = g_pEffect->GetTechniqueByName( strTechnique );
    }

    // Create a sprite to help batch calls when drawing many lines of text
    V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );

    // Setup the camera's projection parameters
    float fAspectRatio = pBackBufferSurfaceDesc->Width / ( FLOAT )pBackBufferSurfaceDesc->Height;
    g_Camera.SetProjParams( D3DX_PI / 4, fAspectRatio, 0.1f, 1000.0f );
    g_Camera.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );


    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width - 170, 0 );
    g_HUD.SetSize( 170, 170 );
    g_HUD.Refresh();

    g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width - 170, pBackBufferSurfaceDesc->Height - 350 );
    g_SampleUI.SetSize( 170, 300 );
    g_SampleUI.Refresh();

    return S_OK;
}

//--------------------------------------------------------------------------------------
// This callback function will be called once at the beginning of every frame. This is the
// best location for your application to handle updates to the scene, but is not 
// intended to contain actual rendering calls, which should instead be placed in the 
// OnFrameRender callback.  
//--------------------------------------------------------------------------------------
void CALLBACK OnFrameMove( double fTime, float fElapsedTime, void* pUserContext )
{
    // Update the camera's position based on user input 
    g_Camera.FrameMove( fElapsedTime );

    UpdateLightingEnvironment();

    if( g_pAnimController != NULL )
    {
        g_pAnimController->SetTrackSpeed( 0, g_SampleUI.GetSlider( IDC_ANIMATION_SPEED )->GetValue() / 1000.0f );
        g_pAnimController->AdvanceTime( fElapsedTime, NULL );
    }

    UpdateFrameMatrices( g_pFrameRoot, g_Camera.GetWorldMatrix() );
}

// Draw a simple triangle using custom shaders (g_pEffect)
void DrawTriangle(ID3D11DeviceContext* pd3dImmediateContext)
{
	XMMATRIX world = g_camera.GetWorldMatrix();
	XMMATRIX view  = g_camera.GetViewMatrix();
	XMMATRIX proj  = g_camera.GetProjMatrix();
	XMFLOAT4X4 mViewProj;
	XMStoreFloat4x4(&mViewProj, world * view * proj);
	g_pEffect->GetVariableByName("g_worldViewProj")->AsMatrix()->SetMatrix((float*)mViewProj.m);
	g_pEffect->GetTechniqueByIndex(0)->GetPassByIndex(0)->Apply(0, pd3dImmediateContext);
    
	pd3dImmediateContext->IASetVertexBuffers(0, 0, nullptr, nullptr, nullptr);
	pd3dImmediateContext->IASetIndexBuffer(nullptr, DXGI_FORMAT_R16_UINT, 0);
	pd3dImmediateContext->IASetInputLayout(nullptr);
	pd3dImmediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
	pd3dImmediateContext->Draw(3, 0);
}