コード例 #1
0
ファイル: Matrices.cpp プロジェクト: grakidov/Render3D
//-----------------------------------------------------------------------------
// Name: InitGeometry()
// Desc: Creates the scene geometry
//-----------------------------------------------------------------------------
HRESULT InitGeometry()
{
    // Initialize three vertices for rendering a triangle
    CUSTOMVERTEX g_Vertices[] =
    {
        { -1.0f,-1.0f, 0.0f, 0xffff0000, },
        {  1.0f,-1.0f, 0.0f, 0xff0000ff, },
        {  0.0f, 1.0f, 0.0f, 0xffffffff, },
    };

    // Create the vertex buffer.
    if( FAILED( g_pd3dDevice->CreateVertexBuffer( 3*sizeof(CUSTOMVERTEX),
                                                  0, D3DFVF_CUSTOMVERTEX,
                                                  D3DPOOL_DEFAULT, &g_pVB ) ) )
    {
        return E_FAIL;
    }

    // Fill the vertex buffer.
    VOID* pVertices;
    if( FAILED( g_pVB->Lock( 0, sizeof(g_Vertices), (BYTE**)&pVertices, 0 ) ) )
        return E_FAIL;
    memcpy( pVertices, g_Vertices, sizeof(g_Vertices) );
    g_pVB->Unlock();

    return S_OK;
}
コード例 #2
0
ファイル: Lights.cpp プロジェクト: grakidov/Render3D
//-----------------------------------------------------------------------------
// Name: InitGeometry()
// Desc: Creates the scene geometry
//-----------------------------------------------------------------------------
HRESULT InitGeometry()
{
    // Create the vertex buffer.
    if( FAILED( g_pd3dDevice->CreateVertexBuffer( 50*2*sizeof(CUSTOMVERTEX),
                                                  0, D3DFVF_CUSTOMVERTEX,
                                                  D3DPOOL_DEFAULT, &g_pVB ) ) )
    {
        return E_FAIL;
    }

    // Fill the vertex buffer. We are algorithmically generating a cylinder
    // here, including the normals, which are used for lighting.
    CUSTOMVERTEX* pVertices;
    if( FAILED( g_pVB->Lock( 0, 0, (BYTE**)&pVertices, 0 ) ) )
        return E_FAIL;
    for( DWORD i=0; i<50; i++ )
    {
        FLOAT theta = (2*D3DX_PI*i)/(50-1);
        pVertices[2*i+0].position = D3DXVECTOR3( sinf(theta),-1.0f, cosf(theta) );
        pVertices[2*i+0].normal   = D3DXVECTOR3( sinf(theta), 0.0f, cosf(theta) );
        pVertices[2*i+1].position = D3DXVECTOR3( sinf(theta), 1.0f, cosf(theta) );
        pVertices[2*i+1].normal   = D3DXVECTOR3( sinf(theta), 0.0f, cosf(theta) );
    }
    g_pVB->Unlock();

    return S_OK;
}
コード例 #3
0
ファイル: Textures.cpp プロジェクト: grakidov/Render3D
//-----------------------------------------------------------------------------
// Name: InitGeometry()
// Desc: Create the textures and vertex buffers
//-----------------------------------------------------------------------------
HRESULT InitGeometry()
{
    // Use D3DX to create a texture from a file based image
    if( FAILED( D3DXCreateTextureFromFile( g_pd3dDevice, "banana.bmp",
                                           &g_pTexture ) ) )
        return E_FAIL;

    // Create the vertex buffer.
    if( FAILED( g_pd3dDevice->CreateVertexBuffer( 50*2*sizeof(CUSTOMVERTEX),
                                                  0, D3DFVF_CUSTOMVERTEX,
                                                  D3DPOOL_DEFAULT, &g_pVB ) ) )
    {
        return E_FAIL;
    }

    // Fill the vertex buffer. We are setting the tu and tv texture
    // coordinates, which range from 0.0 to 1.0
    CUSTOMVERTEX* pVertices;
    if( FAILED( g_pVB->Lock( 0, 0, (BYTE**)&pVertices, 0 ) ) )
        return E_FAIL;
    for( DWORD i=0; i<50; i++ )
    {
        FLOAT theta = (2*D3DX_PI*i)/(50-1);

        pVertices[2*i+0].position = D3DXVECTOR3( sinf(theta),-1.0f, cosf(theta) );
        pVertices[2*i+0].color    = 0xffffffff;
        pVertices[2*i+0].tu       = ((FLOAT)i)/(50-1);
        pVertices[2*i+0].tv       = 1.0f;

        pVertices[2*i+1].position = D3DXVECTOR3( sinf(theta), 1.0f, cosf(theta) );
        pVertices[2*i+1].color    = 0xff808080;
        pVertices[2*i+1].tu       = ((FLOAT)i)/(50-1);
        pVertices[2*i+1].tv       = 0.0f;
    }
    g_pVB->Unlock();

    return S_OK;
}