Exemple #1
0
int main()
{
	//그래프 생성
	Graph* G = CreateGraph();

	// 정점 생성
	Vertex* V1 = CreateVertex('1');
	Vertex* V2 = CreateVertex('2');
	Vertex* V3 = CreateVertex('3');
	Vertex* V4 = CreateVertex('4');
	Vertex* V5 = CreateVertex('5');

	// 그래프에 정점을 추가
	AddVertex(G, V1);
	AddVertex(G, V2);
	AddVertex(G, V3);
	AddVertex(G, V4);
	AddVertex(G, V5);

	// 정점과 정점을 간선으로 잇기
	AddEdge(V1, CreateEdge(V1, V2, 0));
	AddEdge(V1, CreateEdge(V1, V3, 0));
	AddEdge(V1, CreateEdge(V1, V4, 0));
	AddEdge(V1, CreateEdge(V1, V5, 0));

	AddEdge(V2, CreateEdge(V2, V1, 0));
	AddEdge(V2, CreateEdge(V2, V2, 0));
	AddEdge(V2, CreateEdge(V2, V5, 0));

	AddEdge(V3, CreateEdge(V3, V1, 0));
	AddEdge(V3, CreateEdge(V3, V2, 0));

	AddEdge(V4, CreateEdge(V4, V1, 0));
	AddEdge(V4, CreateEdge(V4, V5, 0));

	AddEdge(V5, CreateEdge(V5, V1, 0));
	AddEdge(V5, CreateEdge(V5, V2, 0));
	AddEdge(V5, CreateEdge(V5, V4, 0));

	PrintGraph(G);

	// 그래프 소멸
	DestroyGraph(G);

	return 0;
}
void CD3DGUIWndRect::SetColor(DWORD Color)
{
	if(m_VertexColor!=Color)
	{	
		m_VertexColor=Color;
		CreateVertex();
	}
}
Exemple #3
0
int main( void )
{
    /*  그래프 생성     */
    Graph* G = CreateGraph();
    
    /*  정점 생성 */
    Vertex* V1 = CreateVertex( '1' );
    Vertex* V2 = CreateVertex( '2' );
    Vertex* V3 = CreateVertex( '3' );
    Vertex* V4 = CreateVertex( '4' );
    Vertex* V5 = CreateVertex( '5' );

    /*  그래프에 정점을 추가 */
    AddVertex( G, V1 );
    AddVertex( G, V2 );
    AddVertex( G, V3 );
    AddVertex( G, V4 );
    AddVertex( G, V5 );

    /*  정점과 정점을 간선으로 잇기 */
    AddEdge( V1, CreateEdge(V1, V2, 0) );
    AddEdge( V1, CreateEdge(V1, V3, 0) );
    AddEdge( V1, CreateEdge(V1, V4, 0) );
    AddEdge( V1, CreateEdge(V1, V5, 0) );

    AddEdge( V2, CreateEdge(V2, V1, 0) );
    AddEdge( V2, CreateEdge(V2, V3, 0) );
    AddEdge( V2, CreateEdge(V2, V5, 0) );

    AddEdge( V3, CreateEdge(V3, V1, 0) );
    AddEdge( V3, CreateEdge(V3, V2, 0) );

    AddEdge( V4, CreateEdge(V4, V1, 0) );
    AddEdge( V4, CreateEdge(V4, V5, 0) );

    AddEdge( V5, CreateEdge(V5, V1, 0) );
    AddEdge( V5, CreateEdge(V5, V2, 0) );
    AddEdge( V5, CreateEdge(V5, V4, 0) );

    PrintGraph( G );

    /*  그래프 소멸 */
    DestroyGraph( G );

    return 0;
}
void CD3DGUIWndRect::SetSize(FLOAT Width,FLOAT Height)
{
	if(m_Rect.Width()!=Width||m_Rect.Height()!=Height)
	{
		m_Rect.SetSize(Width,Height);
		CreateVertex();
	}		
}
void CD3DGUIWndRect::SetUV(FLOAT_RECT * pUVRect)
{
	if(m_TextureUV!=*pUVRect)
	{
		m_TextureUV=*pUVRect;
		CreateVertex();
	}
}
void CD3DGUIWndRect::SetRect(FLOAT_RECT * pRect)
{
	if(m_Rect!=*pRect)
	{	
		m_Rect=*pRect;
		CreateVertex();
	}
}
void CD3DGUIWndRect::SetPos(FLOAT X,FLOAT Y)
{
	if(m_Rect.left!=X||m_Rect.top!=Y)
	{
		m_Rect.SetPos(X,Y);
		CreateVertex();
	}

}
Exemple #8
0
bool tdnMesh::LoadTDNM(FILE* file, const char* fileName)
{
	unsigned int vertexSize( sizeof( MESHVERTEX2 ) );

	// 頂点読み込み
	numVertexes = 0;
	fread_s( &numVertexes, sizeof( numVertexes ), sizeof( numVertexes ), 1, file );
	delete[] vertexArray;
	vertexArray = new MESHVERTEX2[numVertexes];
	fread_s( vertexArray, vertexSize * numVertexes, vertexSize * numVertexes, 1, file );

	if ( !CreateVertex( numVertexes, sizeof( MESHVERTEX2 ), vertexArray ) )
		return false;

	// インデックス設定
	DWORD* indexArray = new DWORD[numVertexes];
	for ( unsigned int i = 0; i < numVertexes; i++ )
	{
		indexArray[i] = i;
	}
	CreateIndexes( numVertexes, indexArray );
	delete[]indexArray;

	// 面数
	numFaces = numVertexes / 3;

	// 頂点情報
	D3DVERTEXELEMENT9 declAry[] = {
		{ 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 }, // 位置
		{ 0, sizeof( float ) * 3, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0 }, // 法線
		{ 0, sizeof( float ) * 6, D3DDECLTYPE_UBYTE4N, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0 }, // 頂点色
		{ 0, sizeof( float ) * 6 + sizeof( COLOR ), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0 }, // UV座標
		D3DDECL_END()
	};
	CreateDeclaration( sizeof( MESHVERTEX2 ), declAry );

	// テクスチャ読み込み
	std::string workFileName = fileName;
	unsigned int filePathLength = workFileName.find_last_of('/');
	if (filePathLength == std::string::npos)
		filePathLength = workFileName.find_last_of('\\');
	workFileName = workFileName.substr(0, filePathLength + 1);
	size_t textureNameLen( 0 );
	fread_s( &textureNameLen, sizeof( size_t ), sizeof( size_t ), 1, file );
	delete[] textureName;
	textureName = new char[textureNameLen + 1];
	fread_s( textureName, textureNameLen + 1, textureNameLen, 1, file );
	textureName[textureNameLen] = '\0';
	workFileName += textureName;
	texture = tdnTexture::Load(workFileName.c_str());

	return true;
}
Exemple #9
0
int R3Mesh::
ReadImage(const char *filename)
{
  // Create a mesh by reading an image file, 
  // constructing vertices at (x,y,luminance), 
  // and connecting adjacent pixels into faces. 
  // That is, the image is interpretted as a height field, 
  // where the luminance of each pixel provides its z-coordinate.

  // Read image
  R2Image *image = new R2Image();
  if (!image->Read(filename)) return 0;

  // Create vertices and store in arrays
  R3MeshVertex ***vertices = new R3MeshVertex **[image->Width() ];
  for (int i = 0; i < image->Width(); i++) {
    vertices[i] = new R3MeshVertex *[image->Height() ];
    for (int j = 0; j < image->Height(); j++) {
      double luminance = image->Pixel(i, j).Luminance();
      double z = luminance * image->Width();
      R3Point position((double) i, (double) j, z);
      R2Point texcoords((double) i, (double) j);
      vertices[i][j] = CreateVertex(position, R3zero_vector, texcoords);
    }
  }

  // Create faces
  vector<R3MeshVertex *> face_vertices;
  for (int i = 1; i < image->Width(); i++) {
    for (int j = 1; j < image->Height(); j++) {
      face_vertices.clear();
      face_vertices.push_back(vertices[i-1][j-1]);
      face_vertices.push_back(vertices[i][j-1]);
      face_vertices.push_back(vertices[i][j]);
      CreateFace(face_vertices);
      face_vertices.clear();
      face_vertices.push_back(vertices[i-1][j-1]);
      face_vertices.push_back(vertices[i][j]);
      face_vertices.push_back(vertices[i-1][j]);
      CreateFace(face_vertices);
    }
  }

  // Delete vertex arrays
  for (int i = 0; i < image->Width(); i++) delete [] vertices[i];
  delete [] vertices;

  // Delete image
  delete image;

  // Return success
  return 1;
}
Exemple #10
0
int main()
{
    Graph g;

    g = Initialize(VERTEXNUM);

    CreateVertex(g, 1);
    CreateVertex(g, 2);
    CreateVertex(g, 3);
    CreateVertex(g, 4);
    CreateEdge(g, 1, 2);
    CreateEdge(g, 2, 3);
    CreateEdge(g, 3, 2);
    CreateEdge(g, 3, 1);
    CreateEdge(g, 3, 4);

    Unweighted(g, 1, VERTEXNUM);

    DestoryGraph(g, VERTEXNUM);

    return 0;
}
Exemple #11
0
bool tdnMesh::Create( const CreateData &data )
{
	if ( CreateVertex( data.numVertexes, data.vertexSize, data.vertexArray ) == false )
		return false;
	if ( data.numIndexes != 0 && data.indexArray != nullptr )
		if ( CreateIndexes( data.numIndexes, data.indexArray ) == false )
			return false;
	if ( data.streamSize != 0 && data.streamArray != nullptr && data.numStream != 0 )
		if ( CreateStream( data.numStream, data.streamSize, data.streamArray ) == false )
			return false;
	if ( CreateDeclaration( data.vertexSize, data.decl ) == false )
		return false;
	numFaces = data.numIndexes / 3;
	return true;
}
Exemple #12
0
bool EpaPolyhedron::Expand( const btPoint3& wSupportPoint,
						    const btPoint3& wSupportPointOnA,
						    const btPoint3& wSupportPointOnB,
						    EpaFace* pFace, std::list< EpaFace* >& newFaces )
{
	EPA_DEBUG_ASSERT( !pFace->m_deleted ,"Face is already deleted!" );
	EPA_DEBUG_ASSERT( newFaces.empty() ,"NewFaces list must be empty!" );

	EPA_DEBUG_ASSERT( !pFace->m_deleted ,"Cannot expand deleted face!" );

	// wSupportPoint must be front of face's plane used to do the expansion

#ifdef EPA_POLYHEDRON_USE_PLANES
	btScalar dist = pFace->m_planeNormal.dot( wSupportPoint ) + pFace->m_planeDistance;
	if ( dist <= PLANE_THICKNESS )
	{
		return false;
	}
#endif

	std::list< EpaHalfEdge* > coneBaseEdges;
	DeleteVisibleFaces( wSupportPoint, pFace, coneBaseEdges );

	EPA_DEBUG_ASSERT( ( coneBaseEdges.size() >= 3 ) ,"Cone base must have at least 3 edges!" );

	EpaVertex* pConeAppex = CreateVertex( wSupportPoint, wSupportPointOnA, wSupportPointOnB );
	EPA_DEBUG_ASSERT( pConeAppex ,"Failed to create vertex!" );

	CreateCone( pConeAppex, coneBaseEdges, newFaces );

	// Initialize new faces

	std::list< EpaFace* >::iterator newFacesItr( newFaces.begin() );

	while ( newFacesItr != newFaces.end() )
	{
		EpaFace* pNewFace = *newFacesItr;

		if ( !pNewFace->Initialize() )
		{
			return false;
		}

		++newFacesItr;
	}

	return true;
}
Exemple #13
0
WOGPipe* OGLevelConfig::CreatePipe(const QDomElement &element)
{
    WOGPipe* pipe = new WOGPipe;
    pipe->id = element.attribute("id");
    pipe->depth = element.attribute("depth").toFloat();
    pipe->type = element.attribute("type");
    pipe->vertex = new QList<QPointF>;
    QDomNode node = element.firstChild();

    while (!node.isNull())
    {
        pipe->vertex->append(CreateVertex(node.toElement()));
        node = node.nextSibling();
    }

    return pipe;
}
CD3DGUIWndRect::CD3DGUIWndRect():
	CD3DObject(),	
	m_TextureUV(0.0f,0.0f,100.0f,100.0f)
{	
	m_SubMesh.GetVertexFormat().FVF=D3DFVF_RECTVERTEX;
	m_SubMesh.GetVertexFormat().VertexSize=sizeof(RECTVERTEX);
	m_SubMesh.GetVertexFormat().IndexSize=sizeof(WORD);
	m_SubMesh.SetVertexCount(4);
	m_SubMesh.SetPrimitiveType(D3DPT_TRIANGLESTRIP);
	m_SubMesh.SetPrimitiveCount(2);	
	m_SubMesh.SetVertices((BYTE *)m_Vertexs);
	m_SubMesh.AllocVertexBufferR();
	m_SubMesh.SetRenderBufferUsed(CD3DSubMesh::BUFFER_USE_CUSTOM);
	
	m_VertexColor=D3DCOLOR_XRGB(255, 255, 255);
	Restore();
	CreateVertex();
}
Exemple #15
0
BOOL CVideoRect::Create(LPCTSTR FileName,bool ForceLoadDirectVobSub)
{
	if(m_pRender==NULL)
		return FALSE;
	Destory();

	m_SubMesh.GetMaterial().ClearAllTexture();

	m_pVideoTexture=new CD3DVideoTexture();
	m_pVideoTexture->SetManager(m_pRender->GetDevice()->GetTextureManager());
	m_pVideoTexture->EnableForceLoadVobSub(ForceLoadDirectVobSub);

	m_SubMesh.GetMaterial().AddTexture(m_pVideoTexture,0,"","");
	m_pVideoTexture->AddUseRef();

	CD3DFX * pFX=m_pRender->GetDevice()->GetFXManager()->
		LoadFXFromMemory("DefaultVideoFX",DEFAULT_VIDEO_FX,(int)strlen(DEFAULT_VIDEO_FX));
	if(pFX)
	{
		m_SubMesh.GetMaterial().SetFX(pFX);		
	}
	
	
	

	if(!m_pVideoTexture->Create(FileName))
	{
		m_pVideoTexture->Destory();
		return FALSE;
	}
		
	m_pRender->GetDevice()->GetTextureManager()->AddTexture(m_pVideoTexture,m_pVideoTexture->GetName());

	//int Width,Height;
	//m_pVideoTexture->GetVideoSize(Width,Height);
	//m_Rect.left=0;
	//m_Rect.top=0;
	//m_Rect.right=Width;
	//m_Rect.bottom=Height;

	CreateVertex();
	SetVisible(true);
	return TRUE;
}
Exemple #16
0
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;

	// 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;
	}

	// Disable lighting, since we didn't specify color for vertex
	g_pd3dDevice->SetRenderState( D3DRS_LIGHTING , FALSE );   

	// Create teapot
	D3DXCreateTeapot(g_pd3dDevice, &g_pTeapotMesh, NULL) ;

	// Create texture
	HRESULT hr = D3DXCreateTextureFromFile(g_pd3dDevice, "../Common/Media/tiny.jpg", &g_pTexture) ;
	if (FAILED(hr))
	{
		return E_FAIL ;
	}

	CreateVertex() ;

	return S_OK;
}
Exemple #17
0
R3Mesh::
R3Mesh(const R3Mesh& mesh)
  : bbox(R3null_box)
{
  // Create vertices
  for (int i = 0; i < mesh.NVertices(); i++) {
    R3MeshVertex *v = mesh.Vertex(i);
    CreateVertex(v->position, v->normal, v->texcoords);
  }

  // Create faces
  for (int i = 0; i < mesh.NFaces(); i++) {
    R3MeshFace *f = mesh.Face(i);
    vector<R3MeshVertex *> face_vertices;
    for (unsigned int j = 0; j < f->vertices.size(); j++) {
      R3MeshVertex *ov = f->vertices[j];
      R3MeshVertex *nv = Vertex(ov->id);
      face_vertices.push_back(nv);
    }
    CreateFace(face_vertices);
  }
}
Exemple #18
0
HRESULT CDirect3D::RestoreDeviceObjects(void)
{
    unsigned int vertexbuffersize = sizeof(TLVERTEX) * 4;
    preProcess = false;

#if C_D3DSHADERS
    if(psActive) {
	// Set up pixel shaders
	LoadPixelShader();

	if(psEffect && psEffect->hasPreprocess()) {
#if LOG_D3D
	    LOG_MSG("D3D:Pixel shader preprocess active");
#endif
	    preProcess = true;
	    vertexbuffersize = sizeof(TLVERTEX) * 8;
	}
    }
#endif
    // Initialize vertex
    pD3DDevice9->SetFVF(D3DFVF_TLVERTEX);

    // Create vertex buffer
    if(FAILED(pD3DDevice9->CreateVertexBuffer(vertexbuffersize, D3DUSAGE_WRITEONLY,
        D3DFVF_TLVERTEX, D3DPOOL_MANAGED, &vertexBuffer, NULL))) {
	LOG_MSG("D3D:Failed to create Vertex Buffer");
	return E_FAIL;
    }

    // Lock vertex buffer and set vertices
    CreateVertex();

    pD3DDevice9->SetStreamSource(0, vertexBuffer, 0, sizeof(TLVERTEX));

    // Turn off culling
    pD3DDevice9->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);

    // Turn off D3D lighting
    pD3DDevice9->SetRenderState(D3DRS_LIGHTING, false);

    // Turn off the zbuffer
    pD3DDevice9->SetRenderState(D3DRS_ZENABLE, false);

    CreateDisplayTexture();
    SetupSceneScaled();

    if(!psActive) {
	pD3DDevice9->SetTexture(0, lpTexture);

	// Disable Shaders
	pD3DDevice9->SetVertexShader(0);
	pD3DDevice9->SetPixelShader(0);

	pD3DDevice9->SetTransform(D3DTS_PROJECTION, &m_matProj);
	pD3DDevice9->SetTransform(D3DTS_VIEW, &m_matView);
	pD3DDevice9->SetTransform(D3DTS_WORLD, &m_matWorld);
    }
#if C_D3DSHADERS
    else if(psEffect) {
	if(preProcess) {
	    // Projection is (0,0,0) -> (1,1,1)
	    D3DXMatrixOrthoOffCenterLH(&m_matPreProj, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);

	    // Align texels with pixels
	    D3DXMatrixTranslation(&m_matPreView, -0.5f/dwTexWidth, 0.5f/dwTexHeight, 0.0f);

	    // Identity for world
	    D3DXMatrixIdentity(&m_matPreWorld);

	} else if(FAILED(psEffect->SetMatrices(m_matProj, m_matView, m_matWorld))) {
	    LOG_MSG("D3D:Set matrices failed.");
	    InvalidateDeviceObjects();
	    return E_FAIL;
	}
    }
#endif

    return S_OK;
}
Exemple #19
0
int main( int argc, char** argv )
{
    InitTests(argc, argv);

    Describe("MeshBuffer")
        .use(dummySignalSandbox)

        .it("can be created, modified and freed.", [](){

            MeshBuffer* buffer = CreateMeshBuffer();
            AddVertexToMeshBuffer(buffer, CreateVertex(0,0,0));
            AddIndexToMeshBuffer(buffer, 0);
            FreeMeshBuffer(buffer);
        })

        .it("can be transformed.", [](){

            MeshBuffer* buffer = CreateMeshBuffer();

            AddVertexToMeshBuffer(buffer, CreateVertex(0,0,0));
            AddIndexToMeshBuffer(buffer, 0);
            AddVertexToMeshBuffer(buffer, CreateVertex(0,1,0));
            AddIndexToMeshBuffer(buffer, 1);

            const Vec3 v = {{1,0,0}};
            const Mat4 m = TranslateMat4(Mat4Identity, v);
            TransformMeshBuffer(buffer, m);

            const Vertex* vertices = GetMeshBufferVertices(buffer);
            const Vec3 v1 = {{1,0,0}};
            const Vec3 v2 = {{1,1,0}};
            Require(vertices[0].position == v1);
            Require(vertices[1].position == v2);
            // TODO: Test if normal and tangent are transformed correctly.

            FreeMeshBuffer(buffer);
        })

        .it("can be appended to another buffer.", [](){

            MeshBuffer* a = CreateMeshBuffer();

            AddVertexToMeshBuffer(a, CreateVertex(0,0,0));
            AddIndexToMeshBuffer(a, 0);
            AddVertexToMeshBuffer(a, CreateVertex(0,1,0));
            AddIndexToMeshBuffer(a, 1);

            MeshBuffer* b = CreateMeshBuffer();

            AddVertexToMeshBuffer(b, CreateVertex(2,3,4));
            AddIndexToMeshBuffer(b, 0);
            AddVertexToMeshBuffer(b, CreateVertex(5,6,7));
            AddIndexToMeshBuffer(b, 1);

            AppendMeshBuffer(a, b, NULL);

            const Vertex* vertices     = GetMeshBufferVertices(a);
            const VertexIndex* indices = GetMeshBufferIndices(a);

            Require(GetMeshBufferVertexCount(a) == 4);
            const Vec3 v2 = {{2,3,4}};
            const Vec3 v3 = {{5,6,7}};
            Require(vertices[2].position == v2);
            Require(vertices[3].position == v3);
            Require(GetMeshBufferIndexCount(a) == 4);
            Require(indices[2] == 2);
            Require(indices[3] == 3);

            FreeMeshBuffer(a);
            FreeMeshBuffer(b);
        })

        .it("can be appended to another buffer while transforming it.", [](){

            MeshBuffer* a = CreateMeshBuffer();

            AddVertexToMeshBuffer(a, CreateVertex(0,0,0));
            AddIndexToMeshBuffer(a, 0);
            AddVertexToMeshBuffer(a, CreateVertex(0,1,0));
            AddIndexToMeshBuffer(a, 1);

            MeshBuffer* b = CreateMeshBuffer();

            AddVertexToMeshBuffer(b, CreateVertex(2,3,4));
            AddIndexToMeshBuffer(b, 0);
            AddVertexToMeshBuffer(b, CreateVertex(5,6,7));
            AddIndexToMeshBuffer(b, 1);

            const Vec3 v = {{1,0,0}};
            const Mat4 m = TranslateMat4(Mat4Identity, v);

            AppendMeshBuffer(a, b, &m);

            const Vertex* vertices     = GetMeshBufferVertices(a);
            const VertexIndex* indices = GetMeshBufferIndices(a);

            Require(GetMeshBufferVertexCount(a) == 4);
            const Vec3 v2 = {{3,3,4}};
            const Vec3 v3 = {{6,6,7}};
            Require(vertices[2].position == v2);
            Require(vertices[3].position == v3);
            Require(GetMeshBufferIndexCount(a) == 4);
            Require(indices[2] == 2);
            Require(indices[3] == 3);
            // TODO: Test if normal and tangent are transformed correctly.

            FreeMeshBuffer(a);
            FreeMeshBuffer(b);
        });

    return RunTests();
}
Exemple #20
0
void Dijkstra(Graph* G, Vertex* StartVertex, Graph* ShortestPath )
{
    int i = 0;

    PQNode         StartNode = { 0, StartVertex };
    PriorityQueue* PQ        = PQ_Create(10);

    Vertex*  CurrentVertex = NULL;
    Edge*    CurrentEdge   = NULL; 

    int*     Weights       = (int*) malloc( sizeof(int) * G->VertexCount );
    Vertex** ShortestPathVertices = 
                             (Vertex**) malloc( sizeof(Vertex*) * G->VertexCount );
    Vertex** Fringes       = (Vertex**) malloc( sizeof(Vertex*) * G->VertexCount );
    Vertex** Precedences   = (Vertex**) malloc( sizeof(Vertex*) * G->VertexCount );

    CurrentVertex = G->Vertices;
    while ( CurrentVertex != NULL )
    {
        Vertex* NewVertex = CreateVertex( CurrentVertex->Data );
        AddVertex( ShortestPath, NewVertex);

        Fringes[i]     = NULL;
        Precedences[i] = NULL;
        ShortestPathVertices[i] = NewVertex;        
        Weights[i]     = MAX_WEIGHT;        
        CurrentVertex  = CurrentVertex->Next;
        i++;
    }

    PQ_Enqueue ( PQ, StartNode );

    Weights[StartVertex->Index] = 0;
    
    while( ! PQ_IsEmpty( PQ ) )
    {
        PQNode  Popped;
        
        PQ_Dequeue(PQ, &Popped);
        CurrentVertex = (Vertex*)Popped.Data;
        
        Fringes[CurrentVertex->Index] = CurrentVertex;

        CurrentEdge = CurrentVertex->AdjacencyList;
        while ( CurrentEdge != NULL )
        {            
            Vertex* TargetVertex = CurrentEdge->Target;

            if ( Fringes[TargetVertex->Index] == NULL &&
                 Weights[CurrentVertex->Index] + CurrentEdge->Weight < 
                               Weights[TargetVertex->Index] )
            {
                PQNode NewNode =  { CurrentEdge->Weight, TargetVertex };
                PQ_Enqueue ( PQ, NewNode );

                Precedences[TargetVertex->Index] =  CurrentEdge->From;
                Weights[TargetVertex->Index]     =  
                               Weights[CurrentVertex->Index] + CurrentEdge->Weight; 
            }
            
            CurrentEdge = CurrentEdge->Next;
        }
    }

    for ( i=0; i<G->VertexCount; i++ )
    {
        int FromIndex, ToIndex;

        if ( Precedences[i] == NULL )
            continue;

        FromIndex = Precedences[i]->Index;
        ToIndex   = i;

        AddEdge( ShortestPathVertices[FromIndex], 
            CreateEdge( 
                ShortestPathVertices[FromIndex], 
                ShortestPathVertices[ToIndex],   
                Weights[i] ) );
    }

    free( Fringes );
    free( Precedences );
    free( ShortestPathVertices );
    free( Weights );

    PQ_Destroy( PQ );
}
Exemple #21
0
  void draw_frame(Device *device) {
    SR_CHECK_ERROR("Begin RenderFrame");
    RenderState &render_state = device->render_state();
    vec4ub color(77, 77, 77, 255);
    render_state.ClearBuffer(true, true, false, color);

    //3d
    device->render_state().Set3D();

    depth_fbo.Bind();  //fbo로 그리기. deferred같은거 구현하기 위해서 임시로 시도함
    device->render_state().Set3D();
    render_state.ClearBuffer(true, true, false, color);

    VertexList vert_list;
    vert_list.push_back(CreateVertex(vec3(-0.5, -0.5, 0), vec2(0, 0)));
    vert_list.push_back(CreateVertex(vec3(0.5, -0.5, 0), vec2(1, 0)));
    vert_list.push_back(CreateVertex(vec3(0, 0.5, 0), vec2(0.5, 1)));

    //vbo, ibo 적절히 만들기
    if(vbo.Loaded() == false) {
      vbo.Init(vert_list);
    }
    if(wire_ibo.Loaded() == false) {
      IndexList index_list;
      index_list.push_back(0);
      index_list.push_back(1);
      index_list.push_back(1);
      index_list.push_back(2);
      index_list.push_back(2);
      index_list.push_back(0);
      wire_ibo.Init(index_list);
    }

    {
      //shader사용 선언이 가장 먼저
      device->render_state().UseShader(color_shader);
      SR_CHECK_ERROR("UseShader");

      mat4 mvp(1.0f);
      ShaderVariable mvp_var = color_shader.uniform_var(kMVPHandleName);
      SetUniformMatrix(mvp_var, mvp);

      vec4 color(1.0f);
      ShaderVariable const_color_var = color_shader.uniform_var(kConstColorHandleName);
      SetUniformVector(const_color_var, color);
      SR_CHECK_ERROR("SetVector");

      color_shader.SetVertexList(vert_list);
      color_shader.DrawArrays(kDrawTriangles, vert_list.size());

      color_shader.DrawArrays(kDrawTriangles, vbo);

      color_shader.DrawElements(kDrawLines, vbo, wire_ibo);
    }

    {
      //shader사용 선언이 가장 먼저
      device->render_state().UseShader(simple_shader);
      TexturePtr tex = device->tex_mgr()->Get("sora");
      device->render_state().UseTexture(*tex, 0);
      SR_CHECK_ERROR("UseShader");
      mat4 mvp(1.0f);
      mvp = glm::rotate(mvp, 10.0f, vec3(0, 0, 1));
      ShaderVariable mvp_var = simple_shader.uniform_var(kMVPHandleName);
      SetUniformMatrix(mvp_var, mvp);
      SR_CHECK_ERROR("SetMatrix");
      simple_shader.SetVertexList(vert_list);
      simple_shader.DrawArrays(kDrawTriangles, vert_list.size());
    }

    //일반 3d객체 그리기+카메라 회전 장착
    {
      //set camera + projection
      float win_width = (float)device->render_state().win_width();
      float win_height = (float)device->render_state().win_height();
      glm::mat4 projection = glm::perspective(45.0f, win_width / win_height, 0.1f, 100.0f);
      float radius = 4;
      float cam_x = radius * cos(SR_DEG_2_RAD(aptitude)) * sin(SR_DEG_2_RAD(latitude));
      float cam_y = radius * sin(SR_DEG_2_RAD(aptitude));
      float cam_z = radius * cos(SR_DEG_2_RAD(aptitude)) * cos(SR_DEG_2_RAD(latitude));
      vec3 eye(cam_x, cam_y, cam_z);
      vec3 center(0);
      vec3 up(0, 1, 0);
      glm::mat4 view = glm::lookAt(eye, center, up);

      glm::mat4 mvp(1.0f);
      mvp = projection * view;
      ShaderVariable mvp_var = simple_shader.uniform_var(kMVPHandleName);
      SetUniformMatrix(mvp_var, mvp);
      SR_CHECK_ERROR("SetMatrix");

      GeometricObject<Vertex> mesh;
      //mesh.PointTeapot(0.05f);
      //mesh.WireTeapot(0.05f);
      //mesh.SolidTeapot(0.05f);
      //mesh.WireShpere(1, 16, 16);
      //mesh.PointShpere(1, 16, 16);
      //mesh.SolidSphere(1, 16, 16);
      //mesh.SolidCube(1, 1, 1);
      //mesh.WireCube(1, 1, 1);
      mesh.PointCube(1, 1, 1);
      //mesh.PointCylinder(1, 1, 2, 8, 8);
      //mesh.WireCylinder(1, 1, 2, 8, 8);
      mesh.SolidCylinder(1, 1, 2, 8, 8);
      //mesh.WireAxis(5);
      //mesh.SolidPlane(3);
      //mesh.WirePlane(3, 0.1f);
      //mesh.SolidTorus(1, 0.1);
      //mesh.SolidCone(2, 2);
      auto it = mesh.Begin();
      auto endit = mesh.End();
      for( ; it != endit ; ++it) {
        const DrawCmdData<Vertex> &cmd = *it;
        //앞면 뒷면 그리기를 허용/불가능 정보까지 내장해야
        //뚜껑없는 원통 그리기가 편하다
        if(cmd.disable_cull_face == true) {
          glDisable(GL_CULL_FACE);
        }
        simple_shader.SetVertexList(cmd.vertex_list);
        if(cmd.index_list.empty()) {
          simple_shader.DrawArrays(cmd.draw_mode, cmd.vertex_list.size());
        } else {
          simple_shader.DrawElements(cmd.draw_mode, cmd.index_list);
        }
        if(cmd.disable_cull_face == true) {
          glEnable(GL_CULL_FACE);
        }
      }
    }
    depth_fbo.Unbind();

    /*
    //fbo에 있는 내용을 적절히 그리기
    {
    device->render_state().Set2D();
    device->render_state().UseShader(simple_shader);
    ShaderVariable mvp_var = simple_shader.uniform_var(kMVPHandleName);
    mat4 world_mat(1.0f);
    SetUniformMatrix(mvp_var, world_mat);

    //device->render_state().UseTexture(depth_fbo.color_tex());
    device->render_state().UseTexture(depth_fbo.depth_tex());

    Vertex2DList vert_list;
    vert_list.push_back(CreateVertex2D(-1, -1, 0, 0));
    vert_list.push_back(CreateVertex2D(1, -1, 1, 0));
    vert_list.push_back(CreateVertex2D(1, 1, 1, 1));
    vert_list.push_back(CreateVertex2D(-1, 1, 0, 1));
    simple_shader.SetVertexList(vert_list);
    simple_shader.DrawArrays(kDrawTriangleFan, vert_list.size());
    }
    */
    null_post_effect.DrawScissor(depth_fbo.color_tex(), 0, 0, 320, 480);
    grayscale_post_effect.DrawScissor(depth_fbo.color_tex(), 320, 0, 320, 480);
    grayscale_post_effect.Draw(depth_fbo.color_tex(), 100, 100, 100, 100);

    SR_CHECK_ERROR("End RenderFrame");
  }
Exemple #22
0
bool EpaPolyhedron::Create( btPoint3* pInitialPoints,
							btPoint3* pSupportPointsOnA, btPoint3* pSupportPointsOnB,
							const int nbInitialPoints )
{
#ifndef EPA_POLYHEDRON_USE_PLANES
	EPA_DEBUG_ASSERT( ( nbInitialPoints <= 4 ) ,"nbInitialPoints greater than 4!" );
#endif

	if ( nbInitialPoints < 4 )
	{
		// Insufficient nb of points
		return false;
	}

	////////////////////////////////////////////////////////////////////////////////

#ifdef EPA_POLYHEDRON_USE_PLANES
	int nbDiffCoords[ 3 ] = { 0, 0, 0 };

	bool* pDiffCoords = new bool[ 3 * nbInitialPoints ];
	

	int i;
	for (i=0;i<nbInitialPoints*3;i++)
	{
		pDiffCoords[i] = false;
	}

	//::memset( pDiffCoords, 0, sizeof( bool ) * 3 * nbInitialPoints );


	int axis;

	for ( axis = 0; axis < 3; ++axis )
	{
		for ( int i = 0; i < nbInitialPoints; ++i )
		{
			bool isDifferent = true;

			for ( int j = 0; j < i; ++j )
			{
				if ( pInitialPoints[ i ][ axis ] == pInitialPoints[ j ][ axis ] )
				{
					isDifferent = false;
					break;
				}
			}

			if ( isDifferent )
			{
				++nbDiffCoords[ axis ];
				pDiffCoords[ axis * nbInitialPoints + i ] = true;
			}
		}

		if ( nbDiffCoords[ axis ] <= 1 )
		{
			// The input is degenerate
			return false;
		}
	}

	int finalPointsIndices[ 4 ] = { -1, -1, -1, -1 };

	int axisOrderIndices[ 3 ] = { 0, 1, 2 };

	for ( i = 0; i < 2/*round( nbAxis / 2 )*/; ++i )
	{
		if ( nbDiffCoords[ i ] > nbDiffCoords[ i + 1 ] )
		{
			int tmp = nbDiffCoords[ i ];
			nbDiffCoords[ i ] = nbDiffCoords[ i + 1 ];
			nbDiffCoords[ i + 1 ] = tmp;

			tmp = axisOrderIndices[ i ];
			axisOrderIndices[ i ] = axisOrderIndices[ i + 1 ];
			axisOrderIndices[ i + 1 ] = tmp;
		}
	}

	int nbSuccessfullAxis = 0;

	// The axes with less different coordinates choose first
	int minsIndices[ 3 ] = { -1, -1, -1 };
	int maxsIndices[ 3 ] = { -1, -1, -1 };

	int finalPointsIndex = 0;

	for ( axis = 0; ( axis < 3 ) && ( nbSuccessfullAxis < 2 ); ++axis )
	{
		int axisIndex = axisOrderIndices[ axis ];
			
		btScalar axisMin =  SIMD_INFINITY;
		btScalar axisMax = -SIMD_INFINITY;

		for ( int i = 0; i < 4; ++i )
		{
			// Among the diff coords pick the min and max coords

			if ( pDiffCoords[ axisIndex * nbInitialPoints + i ] )
			{
				if ( pInitialPoints[ i ][ axisIndex ] < axisMin )
				{
					axisMin = pInitialPoints[ i ][ axisIndex ];
					minsIndices[ axisIndex ] = i;
				}

				if ( pInitialPoints[ i ][ axisIndex ] > axisMax )
				{
					axisMax = pInitialPoints[ i ][ axisIndex ];
					maxsIndices[ axisIndex ] = i;
				}
			}
		}

		//assert( ( minsIndices[ axisIndex ] != maxsIndices[ axisIndex ] ) &&
		//		"min and max have the same index!" );

		if ( ( minsIndices[ axisIndex ] != -1 ) && ( maxsIndices[ axisIndex ] != -1 ) &&
			 ( minsIndices[ axisIndex ] != maxsIndices[ axisIndex ] ) )
		{
			++nbSuccessfullAxis;

			finalPointsIndices[ finalPointsIndex++ ] = minsIndices[ axisIndex ];
			finalPointsIndices[ finalPointsIndex++ ] = maxsIndices[ axisIndex ];

			// Make the choosen points to be impossible for other axes to choose

			//assert( ( minsIndices[ axisIndex ] != -1 ) && "Invalid index!" );
			//assert( ( maxsIndices[ axisIndex ] != -1 ) && "Invalid index!" );

			for ( int i = 0; i < 3; ++i )
			{
				pDiffCoords[ i * nbInitialPoints + minsIndices[ axisIndex ] ] = false;
				pDiffCoords[ i * nbInitialPoints + maxsIndices[ axisIndex ] ] = false;
			}
		}
	}

	if ( nbSuccessfullAxis <= 1 )
	{
		// Degenerate input ?
		EPA_DEBUG_ASSERT( false ,"nbSuccessfullAxis must be greater than 1!" );
		return false;
	}
	
	delete[] pDiffCoords;
#endif

	//////////////////////////////////////////////////////////////////////////

#ifdef EPA_POLYHEDRON_USE_PLANES
	btVector3 v0 = pInitialPoints[ finalPointsIndices[ 1 ] ] - pInitialPoints[ finalPointsIndices[ 0 ] ];
	btVector3 v1 = pInitialPoints[ finalPointsIndices[ 2 ] ] - pInitialPoints[ finalPointsIndices[ 0 ] ];
#else
	btVector3 v0 = pInitialPoints[ 1 ] - pInitialPoints[ 0 ];
	btVector3 v1 = pInitialPoints[ 2 ] - pInitialPoints[ 0 ];
#endif

	btVector3 planeNormal = v1.cross( v0 );
	planeNormal.normalize();

#ifdef EPA_POLYHEDRON_USE_PLANES
	btScalar planeDistance = pInitialPoints[ finalPointsIndices[ 0 ] ].dot( -planeNormal );
#else
	btScalar planeDistance = pInitialPoints[ 0 ].dot( -planeNormal );
#endif

#ifdef EPA_POLYHEDRON_USE_PLANES
	bool pointOnPlane0 = btEqual( pInitialPoints[ finalPointsIndices[ 0 ] ].dot( planeNormal ) + planeDistance, PLANE_THICKNESS );
	if (!pointOnPlane0)
	{
		EPA_DEBUG_ASSERT(0,"Point0 should be on plane!");
		return false;
	}
	bool pointOnPlane1 = btEqual( pInitialPoints[ finalPointsIndices[ 1 ] ].dot( planeNormal ) + planeDistance, PLANE_THICKNESS );
	if (!pointOnPlane1)
	{
		EPA_DEBUG_ASSERT(0,"Point1 should be on plane!");
		return false;
	}
	bool pointOnPlane2 = btEqual( pInitialPoints[ finalPointsIndices[ 2 ] ].dot( planeNormal ) + planeDistance, PLANE_THICKNESS );
	if (!pointOnPlane2)
	{
		EPA_DEBUG_ASSERT(0,"Point2 should be on plane!");
		return false;
	}
#endif

#ifndef EPA_POLYHEDRON_USE_PLANES
	{
		if ( planeDistance > 0 )
		{
			btVector3 tmp = pInitialPoints[ 1 ];
			pInitialPoints[ 1 ] = pInitialPoints[ 2 ];
			pInitialPoints[ 2 ] = tmp;

			tmp = pSupportPointsOnA[ 1 ];
			pSupportPointsOnA[ 1 ] = pSupportPointsOnA[ 2 ];
			pSupportPointsOnA[ 2 ] = tmp;

			tmp = pSupportPointsOnB[ 1 ];
			pSupportPointsOnB[ 1 ] = pSupportPointsOnB[ 2 ];
			pSupportPointsOnB[ 2 ] = tmp;
		}
	}

	EpaVertex* pVertexA = CreateVertex( pInitialPoints[ 0 ], pSupportPointsOnA[ 0 ], pSupportPointsOnB[ 0 ] );
	EpaVertex* pVertexB = CreateVertex( pInitialPoints[ 1 ], pSupportPointsOnA[ 1 ], pSupportPointsOnB[ 1 ] );
	EpaVertex* pVertexC = CreateVertex( pInitialPoints[ 2 ], pSupportPointsOnA[ 2 ], pSupportPointsOnB[ 2 ] );
	EpaVertex* pVertexD = CreateVertex( pInitialPoints[ 3 ], pSupportPointsOnA[ 3 ], pSupportPointsOnB[ 3 ] );
#else
	finalPointsIndices[ 3 ] = -1;

	btScalar absMaxDist = -SIMD_INFINITY;
	btScalar maxDist;

	for ( int pointIndex = 0; pointIndex < nbInitialPoints; ++pointIndex )
	{
		btScalar dist    = planeNormal.dot( pInitialPoints[ pointIndex ] ) + planeDistance;
		btScalar absDist = abs( dist );

		if ( ( absDist > absMaxDist ) &&
			!btEqual( dist, PLANE_THICKNESS ) )
		{
			absMaxDist = absDist;
			maxDist    = dist;
			finalPointsIndices[ 3 ] = pointIndex;
		}
	}

	if ( finalPointsIndices[ 3 ] == -1 )
	{
		Destroy();
		return false;
	}

	if ( maxDist > PLANE_THICKNESS )
	{
		// Can swap indices only

		btPoint3 tmp = pInitialPoints[ finalPointsIndices[ 1 ] ];
		pInitialPoints[ finalPointsIndices[ 1 ] ] = pInitialPoints[ finalPointsIndices[ 2 ] ];
		pInitialPoints[ finalPointsIndices[ 2 ] ] = tmp;

		tmp = pSupportPointsOnA[ finalPointsIndices[ 1 ] ];
		pSupportPointsOnA[ finalPointsIndices[ 1 ] ] = pSupportPointsOnA[ finalPointsIndices[ 2 ] ];
		pSupportPointsOnA[ finalPointsIndices[ 2 ] ] = tmp;

		tmp = pSupportPointsOnB[ finalPointsIndices[ 1 ] ];
		pSupportPointsOnB[ finalPointsIndices[ 1 ] ] = pSupportPointsOnB[ finalPointsIndices[ 2 ] ];
		pSupportPointsOnB[ finalPointsIndices[ 2 ] ] = tmp;
	}

	EpaVertex* pVertexA = CreateVertex( pInitialPoints[ finalPointsIndices[ 0 ] ], pSupportPointsOnA[ finalPointsIndices[ 0 ] ], pSupportPointsOnB[ finalPointsIndices[ 0 ] ] );
	EpaVertex* pVertexB = CreateVertex( pInitialPoints[ finalPointsIndices[ 1 ] ], pSupportPointsOnA[ finalPointsIndices[ 1 ] ], pSupportPointsOnB[ finalPointsIndices[ 1 ] ] );
	EpaVertex* pVertexC = CreateVertex( pInitialPoints[ finalPointsIndices[ 2 ] ], pSupportPointsOnA[ finalPointsIndices[ 2 ] ], pSupportPointsOnB[ finalPointsIndices[ 2 ] ] );
	EpaVertex* pVertexD = CreateVertex( pInitialPoints[ finalPointsIndices[ 3 ] ], pSupportPointsOnA[ finalPointsIndices[ 3 ] ], pSupportPointsOnB[ finalPointsIndices[ 3 ] ] );
#endif

	EpaFace* pFaceA = CreateFace();
	EpaFace* pFaceB = CreateFace();
	EpaFace* pFaceC = CreateFace();
	EpaFace* pFaceD = CreateFace();

	EpaHalfEdge* pFaceAHalfEdges[ 3 ];
	EpaHalfEdge* pFaceCHalfEdges[ 3 ];
	EpaHalfEdge* pFaceBHalfEdges[ 3 ];
	EpaHalfEdge* pFaceDHalfEdges[ 3 ];

	pFaceAHalfEdges[ 0 ] = CreateHalfEdge();
	pFaceAHalfEdges[ 1 ] = CreateHalfEdge();
	pFaceAHalfEdges[ 2 ] = CreateHalfEdge();

	pFaceBHalfEdges[ 0 ] = CreateHalfEdge();
	pFaceBHalfEdges[ 1 ] = CreateHalfEdge();
	pFaceBHalfEdges[ 2 ] = CreateHalfEdge();

	pFaceCHalfEdges[ 0 ] = CreateHalfEdge();
	pFaceCHalfEdges[ 1 ] = CreateHalfEdge();
	pFaceCHalfEdges[ 2 ] = CreateHalfEdge();

	pFaceDHalfEdges[ 0 ] = CreateHalfEdge();
	pFaceDHalfEdges[ 1 ] = CreateHalfEdge();
	pFaceDHalfEdges[ 2 ] = CreateHalfEdge();

	pFaceA->m_pHalfEdge = pFaceAHalfEdges[ 0 ];
	pFaceB->m_pHalfEdge = pFaceBHalfEdges[ 0 ];
	pFaceC->m_pHalfEdge = pFaceCHalfEdges[ 0 ];
	pFaceD->m_pHalfEdge = pFaceDHalfEdges[ 0 ];

	pFaceAHalfEdges[ 0 ]->m_pNextCCW = pFaceAHalfEdges[ 1 ];
	pFaceAHalfEdges[ 1 ]->m_pNextCCW = pFaceAHalfEdges[ 2 ];
	pFaceAHalfEdges[ 2 ]->m_pNextCCW = pFaceAHalfEdges[ 0 ];

	pFaceBHalfEdges[ 0 ]->m_pNextCCW = pFaceBHalfEdges[ 1 ];
	pFaceBHalfEdges[ 1 ]->m_pNextCCW = pFaceBHalfEdges[ 2 ];
	pFaceBHalfEdges[ 2 ]->m_pNextCCW = pFaceBHalfEdges[ 0 ];

	pFaceCHalfEdges[ 0 ]->m_pNextCCW = pFaceCHalfEdges[ 1 ];
	pFaceCHalfEdges[ 1 ]->m_pNextCCW = pFaceCHalfEdges[ 2 ];
	pFaceCHalfEdges[ 2 ]->m_pNextCCW = pFaceCHalfEdges[ 0 ];

	pFaceDHalfEdges[ 0 ]->m_pNextCCW = pFaceDHalfEdges[ 1 ];
	pFaceDHalfEdges[ 1 ]->m_pNextCCW = pFaceDHalfEdges[ 2 ];
	pFaceDHalfEdges[ 2 ]->m_pNextCCW = pFaceDHalfEdges[ 0 ];


	pFaceAHalfEdges[ 0 ]->m_pFace = pFaceA;
	pFaceAHalfEdges[ 1 ]->m_pFace = pFaceA;
	pFaceAHalfEdges[ 2 ]->m_pFace = pFaceA;

	pFaceBHalfEdges[ 0 ]->m_pFace = pFaceB;
	pFaceBHalfEdges[ 1 ]->m_pFace = pFaceB;
	pFaceBHalfEdges[ 2 ]->m_pFace = pFaceB;

	pFaceCHalfEdges[ 0 ]->m_pFace = pFaceC;
	pFaceCHalfEdges[ 1 ]->m_pFace = pFaceC;
	pFaceCHalfEdges[ 2 ]->m_pFace = pFaceC;

	pFaceDHalfEdges[ 0 ]->m_pFace = pFaceD;
	pFaceDHalfEdges[ 1 ]->m_pFace = pFaceD;
	pFaceDHalfEdges[ 2 ]->m_pFace = pFaceD;


	pFaceAHalfEdges[ 0 ]->m_pVertex = pVertexA;
	pFaceAHalfEdges[ 1 ]->m_pVertex = pVertexB;
	pFaceAHalfEdges[ 2 ]->m_pVertex = pVertexC;

	pFaceBHalfEdges[ 0 ]->m_pVertex = pVertexB;
	pFaceBHalfEdges[ 1 ]->m_pVertex = pVertexD;
	pFaceBHalfEdges[ 2 ]->m_pVertex = pVertexC;

	pFaceCHalfEdges[ 0 ]->m_pVertex = pVertexD;
	pFaceCHalfEdges[ 1 ]->m_pVertex = pVertexA;
	pFaceCHalfEdges[ 2 ]->m_pVertex = pVertexC;

	pFaceDHalfEdges[ 0 ]->m_pVertex = pVertexB;
	pFaceDHalfEdges[ 1 ]->m_pVertex = pVertexA;
	pFaceDHalfEdges[ 2 ]->m_pVertex = pVertexD;

	//pVertexA->m_pHalfEdge = pFaceAHalfEdges[ 0 ];
	//pVertexB->m_pHalfEdge = pFaceAHalfEdges[ 1 ];
	//pVertexC->m_pHalfEdge = pFaceAHalfEdges[ 2 ];
	//pVertexD->m_pHalfEdge = pFaceBHalfEdges[ 1 ];

	pFaceAHalfEdges[ 0 ]->m_pTwin = pFaceDHalfEdges[ 0 ];
	pFaceAHalfEdges[ 1 ]->m_pTwin = pFaceBHalfEdges[ 2 ];
	pFaceAHalfEdges[ 2 ]->m_pTwin = pFaceCHalfEdges[ 1 ];

	pFaceBHalfEdges[ 0 ]->m_pTwin = pFaceDHalfEdges[ 2 ];
	pFaceBHalfEdges[ 1 ]->m_pTwin = pFaceCHalfEdges[ 2 ];
	pFaceBHalfEdges[ 2 ]->m_pTwin = pFaceAHalfEdges[ 1 ];

	pFaceCHalfEdges[ 0 ]->m_pTwin = pFaceDHalfEdges[ 1 ];
	pFaceCHalfEdges[ 1 ]->m_pTwin = pFaceAHalfEdges[ 2 ];
	pFaceCHalfEdges[ 2 ]->m_pTwin = pFaceBHalfEdges[ 1 ];

	pFaceDHalfEdges[ 0 ]->m_pTwin = pFaceAHalfEdges[ 0 ];
	pFaceDHalfEdges[ 1 ]->m_pTwin = pFaceCHalfEdges[ 0 ];
	pFaceDHalfEdges[ 2 ]->m_pTwin = pFaceBHalfEdges[ 0 ];

	if ( !pFaceA->Initialize() || !pFaceB->Initialize() ||
		 !pFaceC->Initialize() || !pFaceD->Initialize() )
	{
		EPA_DEBUG_ASSERT( false, "One initial face failed to initialize!" );
		return false;
	}

#ifdef EPA_POLYHEDRON_USE_PLANES
	if ( nbInitialPoints > 4 )
	{
		for ( int i = 0; i < nbInitialPoints; ++i )
		{
			if ( ( i != finalPointsIndices[ 0 ] ) && ( i != finalPointsIndices[ 1 ] ) &&
				 ( i != finalPointsIndices[ 2 ] ) && ( i != finalPointsIndices[ 3 ] ) )
			{
				std::list< EpaFace* >::iterator facesItr( m_faces.begin() );

				while ( facesItr != m_faces.end() )
				{
					EpaFace* pFace = *facesItr;

					btScalar dist = pFace->m_planeNormal.dot( pInitialPoints[ i ] ) + pFace->m_planeDistance;

					if ( dist > PLANE_THICKNESS )
					{
						std::list< EpaFace* > newFaces;

						bool expandOk = Expand( pInitialPoints[ i ], pSupportPointsOnA[ i ], pSupportPointsOnB[ i ],
												pFace, newFaces );

						if ( !expandOk )
						{
							// One or more new faces are affinely dependent
							return false;
						}

						EPA_DEBUG_ASSERT( !newFaces.empty() ,"Polyhedron should have expanded!" );
						
						break;
					}

					++facesItr;
				}
			}
		}
	}
#endif

	return true;
}
Exemple #23
0
int R3Mesh::
ReadOff(const char *filename)
{
  // Open file
  FILE *fp;
  if (!(fp = fopen(filename, "r"))) {
    fprintf(stderr, "Unable to open file %s\n", filename);
    return 0;
  }

  // Read file
  int nverts = 0;
  int nfaces = 0;
  int nedges = 0;
  int line_count = 0;
  int vertex_count = 0;
  int face_count = 0;
  char buffer[1024];
  char header[64];
  while (fgets(buffer, 1023, fp)) {
    // Increment line counter
    line_count++;

    // Skip white space
    char *bufferp = buffer;
    while (isspace(*bufferp)) bufferp++;

    // Skip blank lines and comments
    if (*bufferp == '#') continue;
    if (*bufferp == '\0') continue;

    // Check section
    if (nverts == 0) {
      // Read header keyword
      if (strstr(bufferp, "OFF")) {
        // Check if counts are on first line
        int tmp;
        if (sscanf(bufferp, "%s%d%d%d", header, &tmp, &nfaces, &nedges) == 4) {
          nverts = tmp;
        }
      }
      else {
        // Read counts from second line
        if ((sscanf(bufferp, "%d%d%d", &nverts, &nfaces, &nedges) != 3) || (nverts == 0)) {
          fprintf(stderr, "Syntax error reading header on line %d in file %s\n", line_count, filename);
          fclose(fp);
          return 0;
        }
      }
    }
    else if (vertex_count < nverts) {
      // Read vertex coordinates
      double x, y, z;
      if (sscanf(bufferp, "%lf%lf%lf", &x, &y, &z) != 3) {
        fprintf(stderr, "Syntax error with vertex coordinates on line %d in file %s\n", line_count, filename);
        fclose(fp);
        return 0;
      }

      // Create vertex
      CreateVertex(R3Point(x, y, z), R3zero_vector, R2zero_point);

      // Increment counter
      vertex_count++;
    }
    else if (face_count < nfaces) {
      // Read number of vertices in face 
      int face_nverts = 0;
      bufferp = strtok(bufferp, " \t");
      if (bufferp) face_nverts = atoi(bufferp);
      else {
        fprintf(stderr, "Syntax error with face on line %d in file %s\n", line_count, filename);
        fclose(fp);
        return 0;
      }

      // Read vertex indices for face
      vector<R3MeshVertex *> face_vertices;
      for (int i = 0; i < face_nverts; i++) {
        R3MeshVertex *v = NULL;
        bufferp = strtok(NULL, " \t");
        if (bufferp) v = Vertex(atoi(bufferp));
        else {
          fprintf(stderr, "Syntax error with face on line %d in file %s\n", line_count, filename);
          fclose(fp);
          return 0;
        }

        // Add vertex to vector
        face_vertices.push_back(v);
      }

      // Create face
      CreateFace(face_vertices);

      // Increment counter
      face_count++;
    }
    else {
      // Should never get here
      fprintf(stderr, "Found extra text starting at line %d in file %s\n", line_count, filename);
      break;
    }
  }

  // Check whether read all vertices
  if ((vertex_count != nverts) || (NVertices() < nverts)) {
    fprintf(stderr, "Expected %d vertices, but read %d vertex lines and created %d vertices in file %s\n", 
      nverts, vertex_count, NVertices(), filename);
  }

  // Check whether read all faces
  if ((face_count != nfaces) || (NFaces() < nfaces)) {
    fprintf(stderr, "Expected %d faces, but read %d face lines and created %d faces in file %s\n", 
      nfaces, face_count, NFaces(), filename);
  }

  // Close file
  fclose(fp);

  // Return number of faces read
  return NFaces();
}
Exemple #24
0
void triebWerk::COBJParser::AddVertex(const char* a_pText)
{
	CMesh::SVertex vertex;

	const char* ptr = a_pText;

	if (!m_ContainsNormals && !m_ContainsUVs)
	{
		std::string a_Text = a_pText;
		int v = std::stoi(a_Text);

		vertex.position = m_VertexPoint[v - 1];
		vertex.normal = DirectX::XMFLOAT3(0, 0, 0);
		vertex.uv = DirectX::XMFLOAT2(0, 0);

		std::cout << "Nothing" << std::endl;
	}

	if (m_ContainsNormals && !m_ContainsUVs)
	{
		std::string a_Text = a_pText;
		size_t backslashPos = a_Text.find_first_of("//", 0);

		int v = std::stoi(a_Text.substr(0, backslashPos));
		int vn = std::stoi(a_Text.substr(backslashPos + 2, backslashPos - a_Text.size()));

		vertex.position = m_VertexPoint[v - 1];
		vertex.normal = m_Normal[vn-1];
		vertex.uv = DirectX::XMFLOAT2(0, 0);

		std::cout << "No UV but Normal" << std::endl;
	}

	if (m_ContainsUVs && !m_ContainsNormals)
	{
		std::string a_Text = a_pText;
		size_t backslashPos = a_Text.find_first_of("/", 0);

		int v = std::stoi(a_Text.substr(0, backslashPos));
		int vt = std::stoi(a_Text.substr(backslashPos + 1, backslashPos - a_Text.size()));

		vertex.position = m_VertexPoint[v - 1];
		vertex.normal = DirectX::XMFLOAT3(0, 0, 0);
		vertex.uv = m_UV[vt - 1];

		std::cout << "UV but no Normals" << std::endl;
	}
	
	if (m_ContainsUVs && m_ContainsNormals)
	{
		int val = 0;
		int elementCount = 0;

		int elements[3] = { 0 };

		do
		{
			if (*ptr == '/')
			{
				elements[elementCount] = val;
				elementCount++;
				val = 0;
			}
			else
			{
				if (*ptr >= '0' && *ptr <= '9')
				{
					val *= 10;
					val += *ptr - '0';
				}
			}

			ptr++;
		} while (*ptr);

		//last element
		elements[elementCount] = val;

		//size_t backslashPosFirst = a_Text.find_first_of("/", 0);
		//size_t backslashPosSecond = a_Text.find("/", backslashPosFirst+1);

		//int v = std::stoi(a_Text.substr(0, backslashPosFirst));
		//int vt = std::stoi(a_Text.substr(backslashPosFirst + 1, backslashPosSecond - backslashPosFirst));
		//int vn = std::stoi(a_Text.substr(backslashPosSecond + 1, a_Text.size() - backslashPosSecond));

		vertex.position = m_VertexPoint[elements[0] - 1];
		vertex.uv = m_UV[elements[1] - 1];
		vertex.normal = m_Normal[elements[2] - 1];
	}

	CreateVertex(vertex);
}
Exemple #25
0
int R3Mesh::
ReadRay(const char *filename)
{
  // Open file
  FILE *fp;
  if (!(fp = fopen(filename, "r"))) {
    fprintf(stderr, "Unable to open file %s", filename);
    return 0;
  }

  // Read body
  char cmd[128];
  int polygon_count = 0;
  int command_number = 1;
  while (fscanf(fp, "%s", cmd) == 1) {
    if (!strcmp(cmd, "#vertex")) {
      // Read data
      double px, py, pz;
      double nx, ny, nz;
      double ts, tt;
      if (fscanf(fp, "%lf%lf%lf%lf%lf%lf%lf%lf", &px, &py, &pz, &nx, &ny, &nz, &ts, &tt) != 8) {
        fprintf(stderr, "Unable to read vertex at command %d in file %s", command_number, filename);
        return 0;
      }

      // Create vertex
      R3Point point(px, py, pz);
      R3Vector normal(nx, ny, nz);
      R2Point texcoords(ts, tt);
      CreateVertex(point, normal, texcoords);
    }
    else if (!strcmp(cmd, "#shape_polygon")) {
      // Read data
      int m, nverts;
      if (fscanf(fp, "%d%d", &m, &nverts) != 2) {
        fprintf(stderr, "Unable to read polygon at command %d in file %s", command_number, filename);
        return 0;
      }

      // Get vertices
      vector<R3MeshVertex *> face_vertices;
      for (int i = 0; i < nverts; i++) {
        // Read vertex id
        int vertex_id;
        if (fscanf(fp, "%d", &vertex_id) != 1) {
          fprintf(stderr, "Unable to read polygon at command %d in file %s", command_number, filename);
          return 0;
        }

        // Get vertex
        R3MeshVertex *v = Vertex(vertex_id);
        face_vertices.push_back(v);
      }

      // Create face
      CreateFace(face_vertices);

      // Increment polygon counter
      polygon_count++;
    }
	
    // Increment command number
    command_number++;
  }

  // Close file
  fclose(fp);

  // Return number of faces created
  return polygon_count;
}