void SetupMatrix(float timeDelta)
{
static float total = 0.0f;
total += timeDelta;
// translate model to origin
D3DXMATRIX world ;
D3DXMatrixTranslation(&world, 0.0f, 0.0f, 0.0f) ;
D3DXMATRIX rotMatrix;
D3DXMatrixRotationY(&rotMatrix, total);
world *= rotMatrix;
g_pd3dDevice->SetTransform(D3DTS_WORLD, &world) ;
// set view
D3DXVECTOR3 eyePt(0.0f, 0.0f, -10.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
}
void DrawCube()
{
// translate model to origin
D3DXMATRIX world ;
D3DXMatrixTranslation(&world, 0.0f, 0.0f, 0.0f) ;
g_pd3dDevice->SetTransform(D3DTS_WORLD, &world) ;
// set view
D3DXVECTOR3 eyePt(5.0f, 5.0f, -5.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
D3DXMATRIX worldviewproj = world * view * proj;
// Set matrix
g_pEffect->SetMatrix(g_hWVP, &worldviewproj);
// Set technique
g_pEffect->SetTechnique(g_hTech);
// Render pass
UINT numPass = 0;
g_pEffect->Begin(&numPass, 0);
g_pEffect->BeginPass(0);
// Set texture
D3DXCreateTextureFromFile(g_pd3dDevice, "../Common/Media/crate.jpg", &g_pCubeTexture) ;
g_pEffect->SetTexture("g_pCubeTexture", g_pCubeTexture);
/*g_pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);*/
// Set stream source, and index buffer
g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof(Vertex) );
g_pd3dDevice->SetIndices(g_pIB) ;
g_pd3dDevice->SetFVF(VERTEX_FVF) ;
// Totally 24 points and 12 triangles
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, 24, 0, 12) ;
g_pEffect->EndPass();
g_pEffect->End();
}
void SetupMatrix()
{
// set view
D3DXVECTOR3 eyePt(0.0f, 0.0f, -5.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
}
void SetupMatrix(float timeDelta)
{
static float totalTime = 0;
totalTime += timeDelta;
// translate model to origin
D3DXMATRIX matWorld ;
D3DXMatrixTranslation(&matWorld, 0.0f, 0.0f, 0.0f);
D3DXMATRIX rotMatrix;
D3DXMatrixRotationY(&rotMatrix, totalTime);
matWorld *= rotMatrix;
// Matrix in shader was stored in column-major order, we need transpose it first.
// Effect->SetMatrix will transpose it automatically, but SetVertexShader not, this function set the raw data.
D3DXMatrixTranspose(&matWorld, &matWorld);
// Set vertex shader variable
g_pd3dDevice->SetVertexShaderConstantF(0, matWorld, 4);
// set view
// Make sure eye point and light postion at the same side beyond the teapot.
D3DXVECTOR3 eyePt(0.0f, 0.0f, -10.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
D3DXMATRIX matViewProj = view * proj;
D3DXMatrixTranspose(&matViewProj, &matViewProj);
// Set vertex shader variable
HRESULT hr = g_pd3dDevice->SetVertexShaderConstantF(4, matViewProj, 4);
if (FAILED(hr))
{
MessageBox(NULL, L"Error", L"Set vertex shader variable failed", 0);
}
}
void SetupMatrix()
{
// translate model to origin
D3DXMATRIX world ;
D3DXMatrixTranslation(&world, 0.0f, 0.0f, 0.0f) ;
g_pd3dDevice->SetTransform(D3DTS_WORLD, &world) ;
// set view
D3DXVECTOR3 eyePt(2.0f, 2.0f, -2.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
}
void SetupMatrix()
{
// Set object position
D3DXMatrixTranslation(&matWorld[0], -2.0f, 0.0f, 0.0f) ;
D3DXMatrixTranslation(&matWorld[1], 2.0f, 0.0f, 0.0f) ;
D3DXMatrixTranslation(&matWorld[2], 0.0f, 2.0f, 0.0f) ;
D3DXMatrixTranslation(&matWorld[3], 0.0f, -2.0f, 0.0f) ;
// set view
D3DXVECTOR3 eyePt(0.0f, 0.0f, -10.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
}
void DrawTeapot()
{
// translate model to origin
D3DXMATRIX world ;
D3DXMatrixTranslation(&world, 0.0f, 0.0f, 0.0f) ;
g_pd3dDevice->SetTransform(D3DTS_WORLD, &world) ;
// set view
D3DXVECTOR3 eyePt(0.0f, 0.0f, -10.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
D3DXMATRIX view ;
D3DXMatrixLookAtLH(&view, &eyePt, &lookCenter, &upVec) ;
g_pd3dDevice->SetTransform(D3DTS_VIEW, &view) ;
// set projection
D3DXMATRIX proj ;
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &proj) ;
D3DXMATRIX worldviewproj = world * view * proj;
// Set matrix
g_pEffect->SetMatrix(g_hWVP, &worldviewproj);
// Set technique
g_pEffect->SetTechnique(g_hTech);
// Render pass
UINT numPass = 0;
g_pEffect->Begin(&numPass, 0);
g_pEffect->BeginPass(0);
g_pTeapotMesh->DrawSubset(0);
g_pEffect->EndPass();
g_pEffect->End();
}
HRESULT InitD3D( HWND hWnd )
{
// Create the D3D object, which is needed to create the D3DDevice.
if( NULL == ( g_pD3D = Direct3DCreate9( D3D_SDK_VERSION ) ) )
{
MessageBoxA(NULL, "Create D3D9 object failed!", "Error", 0) ;
return E_FAIL;
}
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory( &d3dpp, sizeof(d3dpp) );
d3dpp.Windowed = TRUE; // use window mode, not full screen
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
d3dpp.EnableAutoDepthStencil = TRUE ;
d3dpp.AutoDepthStencilFormat = D3DFMT_D16 ;
// Create device
if( FAILED( g_pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &g_pd3dDevice ) ) )
{
MessageBoxA(NULL, "Create D3D9 device failed!", "Error", 0) ;
return E_FAIL;
}
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE) ;
// Create texture
HRESULT hr = g_pd3dDevice->CreateTexture(
256,
256,
1,
D3DUSAGE_RENDERTARGET,
//d3dpp.BackBufferFormat,
D3DFMT_R5G6B5,
D3DPOOL_DEFAULT,
&g_pRenderTexture,
NULL) ;
if (FAILED(hr))
{
MessageBox(NULL, "Create texture failed!", "Error", 0) ;
return E_FAIL ;
}
// Get texture surface
hr = g_pRenderTexture->GetSurfaceLevel(0, &g_pRenderSurface) ;
if (FAILED(hr))
{
MessageBox(NULL, "Get surface on texture failed!", "Error", 0) ;
return E_FAIL ;
}
// Create teapot
D3DXCreateTeapot(g_pd3dDevice, &g_pTeapotMesh, NULL) ;
// Create Cube
CreateCube() ;
// Create camera
g_ModelViewCamera = new Camera() ;
// Initialize view matrix
D3DXVECTOR3 eyePt(0.0f, 0.0f, -5.0f) ;
D3DXVECTOR3 upVec(0.0f, 1.0f, 0.0f) ;
D3DXVECTOR3 lookCenter(0.0f, 0.0f, 0.0f) ;
g_ModelViewCamera->SetViewParams(&eyePt, &lookCenter, &upVec) ;
g_ModelViewCamera->SetProjParams(D3DX_PI / 4, 1.0f, 1.0f, 1000.0f) ;
return S_OK;
}
