bool ON_Circle::Create( // circle through three 3d points
const ON_3dPoint& P,
const ON_3dPoint& Q,
const ON_3dPoint& R
)
{
ON_3dPoint C;
ON_3dVector X, Y, Z;
// return ( radius > 0.0 && plane.IsValid() );
//m_point[0] = P;
//m_point[1] = Q;
//m_point[2] = R;
// get normal
for(;;)
{
if ( !Z.PerpendicularTo( P, Q, R ) )
break;
// get center as the intersection of 3 planes
ON_Plane plane0( P, Z );
ON_Plane plane1( 0.5*(P+Q), P-Q );
ON_Plane plane2( 0.5*(R+Q), R-Q );
if ( !ON_Intersect( plane0, plane1, plane2, C ) )
break;
X = P - C;
radius = X.Length();
if ( !(radius > 0.0) )
break;
if ( !X.Unitize() )
break;
Y = ON_CrossProduct( Z, X );
if ( !Y.Unitize() )
break;
plane.origin = C;
plane.xaxis = X;
plane.yaxis = Y;
plane.zaxis = Z;
plane.UpdateEquation();
return true;
}
plane = ON_Plane::World_xy;
radius = 0.0;
return false;
}
bool dgCollisionConvexHull::CheckConvex (dgPolyhedra& polyhedra1, const dgBigVector* hullVertexArray) const
{
dgPolyhedra polyhedra(polyhedra1);
dgPolyhedra::Iterator iter (polyhedra);
dgBigVector center (dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (0.0f), dgFloat32 (0.0f));
dgInt32 count = 0;
dgInt32 mark = polyhedra.IncLRU();
for (iter.Begin(); iter; iter ++) {
dgEdge* const edge = &(*iter);
if (edge->m_mark < mark) {
count ++;
center += hullVertexArray[edge->m_incidentVertex];
dgEdge* ptr = edge;
do {
ptr->m_mark = mark;
ptr = ptr->m_twin->m_next;
} while (ptr != edge);
}
}
center = center.Scale3 (dgFloat64 (1.0f) / dgFloat64 (count));
for (iter.Begin(); iter; iter ++) {
dgEdge* const edge = &(*iter);
dgBigVector normal0 (FaceNormal (edge, hullVertexArray));
dgBigVector normal1 (FaceNormal (edge->m_twin, hullVertexArray));
dgBigPlane plane0 (normal0, - (normal0 % hullVertexArray[edge->m_incidentVertex]));
dgBigPlane plane1 (normal1, - (normal1 % hullVertexArray[edge->m_twin->m_incidentVertex]));
dgFloat64 test0 = plane0.Evalue(center);
if (test0 > dgFloat64 (1.0e-3f)) {
return false;
}
dgFloat64 test1 = plane1.Evalue(center);
// if (test1 > dgFloat64 (0.0f)) {
if (test1 > dgFloat64 (1.0e-3f)) {
return false;
}
}
return true;
}
//--------------------------------------------------------------------------------------
// Create any D3D10 resources that aren't dependant on the back buffer
//--------------------------------------------------------------------------------------
HRESULT CALLBACK OnD3D10CreateDevice( ID3D10Device* pd3dDevice, const DXGI_SURFACE_DESC* pBufferSurfaceDesc,
void* pUserContext )
{
HRESULT hr;
V_RETURN( g_DialogResourceManager.OnD3D10CreateDevice( pd3dDevice ) );
V_RETURN( g_SettingsDlg.OnD3D10CreateDevice( pd3dDevice ) );
V_RETURN( D3DX10CreateFont( pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
L"Arial", &g_pFont10 ) );
V_RETURN( D3DX10CreateSprite( pd3dDevice, 512, &g_pSprite10 ) );
g_pTxtHelper = new CDXUTTextHelper( NULL, NULL, g_pFont10, g_pSprite10, 15 );
// Read the D3DX effect file
WCHAR str[MAX_PATH];
V_RETURN( DXUTFindDXSDKMediaFileCch( str, MAX_PATH, L"MeshFromOBJ10.fx" ) );
DWORD dwShaderFlags = D3D10_SHADER_ENABLE_STRICTNESS;
#if defined( DEBUG ) || defined( _DEBUG )
// Set the D3D10_SHADER_DEBUG flag to embed debug information in the shaders.
// Setting this flag improves the shader debugging experience, but still allows
// the shaders to be optimized and to run exactly the way they will run in
// the release configuration of this program.
dwShaderFlags |= D3D10_SHADER_DEBUG;
#endif
V_RETURN( D3DX10CreateEffectFromFile( str, NULL, NULL, "fx_4_0", dwShaderFlags, 0, pd3dDevice, NULL,
NULL, &g_pEffect10, NULL, NULL ) );
// Obtain the technique
g_pTechnique = g_pEffect10->GetTechniqueByName( "NoSpecular" );
g_ptxDiffuseVariable = g_pEffect10->GetVariableByName( "g_MeshTexture" )->AsShaderResource();
g_pAmbient = g_pEffect10->GetVariableByName( "g_vMaterialAmbient" )->AsVector();
g_pDiffuse = g_pEffect10->GetVariableByName( "g_vMaterialDiffuse" )->AsVector();
g_pSpecular = g_pEffect10->GetVariableByName( "g_vMaterialSpecular" )->AsVector();
g_pOpacity = g_pEffect10->GetVariableByName( "g_fMaterialAlpha" )->AsScalar();
g_pSpecularPower = g_pEffect10->GetVariableByName( "g_nMaterialShininess" )->AsScalar();
g_pLightColor = g_pEffect10->GetVariableByName( "g_vLightColor" )->AsVector();
g_pLightPosition = g_pEffect10->GetVariableByName( "g_vLightPosition" )->AsVector();
g_pCameraPosition = g_pEffect10->GetVariableByName( "g_vCameraPosition" )->AsVector();
g_pTime = g_pEffect10->GetVariableByName( "g_fTime" )->AsScalar();
g_pWorld = g_pEffect10->GetVariableByName( "g_mWorld" )->AsMatrix();
g_pWorldViewProjection = g_pEffect10->GetVariableByName( "g_mWorldViewProjection" )->AsMatrix();
// Define the input layout
const D3D10_INPUT_ELEMENT_DESC layout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D10_INPUT_PER_VERTEX_DATA, 0 },
} ;
UINT numElements = sizeof( layout ) / sizeof( layout[0] );
// Create the input layout
D3D10_PASS_DESC PassDesc;
g_pTechnique->GetPassByIndex( 0 )->GetDesc( &PassDesc );
V_RETURN( pd3dDevice->CreateInputLayout( layout, numElements, PassDesc.pIAInputSignature,
PassDesc.IAInputSignatureSize, &g_pVertexLayout ) );
pd3dDevice->IASetInputLayout( g_pVertexLayout );
// Load the mesh
V_RETURN( g_MeshLoader.Create( pd3dDevice, MESHFILEPATH ) );
// Add the identified subsets to the UI
CDXUTComboBox* pComboBox = g_SampleUI.GetComboBox( IDC_SUBSET );
pComboBox->RemoveAllItems();
pComboBox->AddItem( L"All", ( void* )( INT_PTR )-1 );
for ( UINT subset = 0; subset < g_MeshLoader.GetNumSubsets(); ++subset )
{
Material* pMaterial = g_MeshLoader.GetSubsetMaterial( subset );
pComboBox->AddItem( pMaterial->strName, ( void* )( INT_PTR )subset );
}
// Store the correct technique for each material
for ( UINT i = 0; i < g_MeshLoader.GetNumMaterials(); ++i )
{
Material* pMaterial = g_MeshLoader.GetMaterial( i );
const char* strTechnique = "";
if( pMaterial->pTextureRV10 && pMaterial->bSpecular )
strTechnique = "TexturedSpecular";
else if( pMaterial->pTextureRV10 && !pMaterial->bSpecular )
strTechnique = "TexturedNoSpecular";
else if( !pMaterial->pTextureRV10 && pMaterial->bSpecular )
strTechnique = "Specular";
else if( !pMaterial->pTextureRV10 && !pMaterial->bSpecular )
strTechnique = "NoSpecular";
pMaterial->pTechnique = g_pEffect10->GetTechniqueByName( strTechnique );
}
LoadRasterizerStates(pd3dDevice);
// Load the mesh into dump
g_DumpMesh = new DumpMesh(pd3dDevice, g_MeshLoader.GetMesh());
g_DumpMesh->DumpVertices();
g_DumpMesh->DumpIndices();
// Construct the mesh
g_AABBConstructor = new txAABBConstructor(pd3dDevice,g_DumpMesh->GetVertexCache(),g_DumpMesh->GetIndexCache());
g_FunctionDraw = new txFunctionMeshDisplay(pd3dDevice);
// Create a cube
//CreateCube(pd3dDevice);
//g_pBox = new Box();
//g_pBox->init(pd3dDevice, 1.0f);
//g_pBox->customizeInit(pd3dDevice, D3DXVECTOR3(0.0f,0.0f,0.0f),D3DXVECTOR3(1.0f,1.0f,1.0f));
g_Parabola = new txFunctionUVBase(-2.0,2.0,-2.0,2.0,2,2);
g_Parabola->Discrete(txUVFunctionZoo::Parabola);
g_ParabolaDis = new txFunctionDrawor(g_Parabola->GetVList(), g_Parabola->M(), g_Parabola->N(),pd3dDevice);
//g_UVImport = new txUVSurfaceImport();
//g_UVImport->ConstructSurfaceFromFile("D:\\data\\screwsurface.xyz");
//g_UVFileDisp = new txFunctionDrawor(g_UVImport->GetVList(), g_UVImport->M(), g_UVImport->N(),pd3dDevice);
std::vector<txVec3> temv;
D3DXVECTOR32txVec3(g_Parabola->GetVList(),temv);
txSurface surface(temv, g_Parabola->M(), g_Parabola->N());
txICollisionshapeMesh meshmodel(surface);
meshmodel.Build();
txPlane plane0(0,0,1,10);
std::vector<txPlane> planes;
planes.push_back(plane0);
txPlaneCollisionShape planecoll(planes);
planecoll.Collide(meshmodel);
const size_t AABBLevelCount = g_AABBConstructor->GetAABBLevelCount();
// Add the AABB Levels
CDXUTComboBox* pLevelComboBox = g_SampleUI.GetComboBox( IDC_AABBSUBLEVEL );
pLevelComboBox->RemoveAllItems();
wchar_t sz[32];
for (size_t i=0; i<AABBLevelCount-1; i++){
//itoa(i,temp,10);
swprintf(sz,31,L"%d",i);
pLevelComboBox->AddItem( sz, ( void* )( UINT64 )i );
}
// Setup the camera's view parameters
D3DXVECTOR3 vecEye( 2.0f, 1.0f, 0.0f );
D3DXVECTOR3 vecAt ( 0.0f, 0.0f, -0.0f );
g_Camera.SetViewParams( &vecEye, &vecAt );
D3D10_BLEND_DESC blendDesc = {0};
blendDesc.AlphaToCoverageEnable = false;
blendDesc.BlendEnable[0] = true;
blendDesc.SrcBlend = D3D10_BLEND_SRC_ALPHA;
blendDesc.DestBlend = D3D10_BLEND_INV_SRC_ALPHA;
blendDesc.BlendOp = D3D10_BLEND_OP_ADD;
blendDesc.SrcBlendAlpha = D3D10_BLEND_ONE;
blendDesc.DestBlendAlpha = D3D10_BLEND_ZERO;
blendDesc.BlendOpAlpha = D3D10_BLEND_OP_ADD;
blendDesc.RenderTargetWriteMask[0] = D3D10_COLOR_WRITE_ENABLE_ALL;
HR(pd3dDevice->CreateBlendState(&blendDesc, &g_TransparentBS));
return S_OK;
}
