本文整理汇总了C++中Mat4x4::Xform方法的典型用法代码示例。如果您正苦于以下问题：C++ Mat4x4::Xform方法的具体用法？C++ Mat4x4::Xform怎么用？C++ Mat4x4::Xform使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Mat4x4的用法示例。
在下文中一共展示了Mat4x4::Xform方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sizeof
//
// D3DSkyNode9::VOnRestore - 3rd Edition, Chapter 14, page 500
//
HRESULT D3DSkyNode9::VOnRestore(Scene *pScene)
{
// Call the base class's restore
SceneNode::VOnRestore(pScene);
m_camera = pScene->GetCamera(); // added post press!
m_numVerts = 20;
SAFE_RELEASE(m_pVerts);
if( FAILED( DXUTGetD3D9Device()->CreateVertexBuffer(
m_numVerts*sizeof(D3D9Vertex_ColoredTextured),
D3DUSAGE_WRITEONLY, D3D9Vertex_ColoredTextured::FVF,
D3DPOOL_MANAGED, &m_pVerts, NULL ) ) )
{
return E_FAIL;
}
// Fill the vertex buffer. We are setting the tu and tv texture
// coordinates, which range from 0.0 to 1.0
D3D9Vertex_ColoredTextured* pVertices;
if( FAILED( m_pVerts->Lock( 0, 0, (void**)&pVertices, 0 ) ) )
return E_FAIL;
// Loop through the grid squares and calc the values
// of each index. Each grid square has two triangles:
//
// A - B
// | / |
// C - D
D3D9Vertex_ColoredTextured skyVerts[4];
D3DCOLOR skyVertColor = 0xffffffff;
float dim = 50.0f;
skyVerts[0].position = Vec3( dim, dim, dim ); skyVerts[0].color=skyVertColor; skyVerts[0].tu=1; skyVerts[0].tv=0;
skyVerts[1].position = Vec3(-dim, dim, dim ); skyVerts[1].color=skyVertColor; skyVerts[1].tu=0; skyVerts[1].tv=0;
skyVerts[2].position = Vec3( dim,-dim, dim ); skyVerts[2].color=skyVertColor; skyVerts[2].tu=1; skyVerts[2].tv=1;
skyVerts[3].position = Vec3(-dim,-dim, dim ); skyVerts[3].color=skyVertColor; skyVerts[3].tu=0; skyVerts[3].tv=1;
Vec3 triangle[3];
triangle[0] = Vec3(0.f,0.f,0.f);
triangle[1] = Vec3(5.f,0.f,0.f);
triangle[2] = Vec3(5.f,5.f,0.f);
Vec3 edge1 = triangle[1]-triangle[0];
Vec3 edge2 = triangle[2]-triangle[0];
Vec3 normal;
normal = edge1.Cross(edge2);
normal.Normalize();
Mat4x4 rotY;
rotY.BuildRotationY(GCC_PI/2.0f);
Mat4x4 rotX;
rotX.BuildRotationX(-GCC_PI/2.0f);
m_sides = 5;
for (DWORD side = 0; side < m_sides; side++)
{
for (DWORD v = 0; v < 4; v++)
{
Vec4 temp;
if (side < m_sides-1)
{
temp = rotY.Xform(Vec3(skyVerts[v].position));
}
else
{
skyVerts[0].tu=1; skyVerts[0].tv=1;
skyVerts[1].tu=1; skyVerts[1].tv=0;
skyVerts[2].tu=0; skyVerts[2].tv=1;
skyVerts[3].tu=0; skyVerts[3].tv=0;
temp = rotX.Xform(Vec3(skyVerts[v].position));
}
skyVerts[v].position = Vec3(temp.x, temp.y, temp.z);
}
memcpy(&pVertices[side*4], skyVerts, sizeof(skyVerts));
}
m_pVerts->Unlock();
return S_OK;
}