void Matrix4x4::Transformation(vector<Vertex> &vertex, int index)
{
Vertex tempVertex(vertex[index]._color, vertex[index]._x, vertex[index]._y, vertex[index]._z);
vertex[index]._x = (_11 * tempVertex._x) + (_21 * tempVertex._y) + (_31 * tempVertex._z) + _41;
vertex[index]._y = (_12 * tempVertex._x) + (_22 * tempVertex._y) + (_32 * tempVertex._z) + _42;
vertex[index]._z = (_13 * tempVertex._x) + (_23 * tempVertex._y) + (_33 * tempVertex._z) + _43;
vertex[index]._w = (_14 * tempVertex._x) + (_24 * tempVertex._y) + (_34 * tempVertex._z) + (tempVertex._w *_44);
}
void Matrix4x4::Transformation(Vertex &vector)
{
Vertex tempVertex(vector._color, vector._x, vector._y, vector._z, vector._w);
vector._x = (_11 * tempVertex._x) + (_21 * tempVertex._y) + (_31 * tempVertex._z) + _41;
vector._y = (_12 * tempVertex._x) + (_22 * tempVertex._y) + (_32 * tempVertex._z) + _42;
vector._z = (_13 * tempVertex._x) + (_23 * tempVertex._y) + (_33 * tempVertex._z) + _43;
vector._w = (_14 * tempVertex._x) + (_24 * tempVertex._y) + (_34 * tempVertex._z) + (tempVertex._w * _44);
}
void Mesh::loadFile( char* fileName)
{
ifstream input(fileName);
string line;
vector<string> temp;
if(input.is_open())
{
cout<<"file opens successfully"<<endl;
while(getline(input,line))
{
temp.clear();
StringSplit(line," ",&temp);
if(temp[0]=="#")
continue;
if(temp[0]=="v")
{
if(temp.size()==4)
{
Vertex tempVertex(atof(temp[1].c_str()),atof(temp[2].c_str()),atof(temp[3].c_str()),vertices.size());
vertices.push_back(tempVertex);
}
else
{
cout<<"file format error: v size"<<endl;
}
}
if(temp[0]=="f")
{
if(temp.size()==4)
{
Triangle tempTriangle(atoi(temp[1].c_str())-1,atoi(temp[2].c_str())-1,atoi(temp[3].c_str())-1,triangles.size());
for(int i=1; i<4;++i)
vertices[atoi(temp[i].c_str())-1].tri_id=triangles.size();
triangles.push_back(tempTriangle);
}
else
{
cout<<"file format error: face size"<<endl;
}
}
}
cout<<"succefully load "<<vertices.size()<<" vertices and "<<triangles.size()<<" triangles"<<endl;
}
else
{
cout<<"file open error"<<endl;
}
}
void PLYParser::importFile(std::string sFilePath)
{
std::cout << "Parsing started" << std::endl ;
fileImported = sFilePath ;
char str1[SIZE], str2[SIZE] ;
unsigned int iTemp = 0;
char buffer[SIZE];
FILE * fileReadPointer = fopen ( sFilePath.c_str(), "r" );
if( NULL == fileReadPointer )
{
puts("Error : File not opened for reading.");
return;
}
while ( NULL != fgets( buffer , SIZE , fileReadPointer) )
{
if( EOF == buffer[0] )
{
break;
}
else
{
sscanf( buffer, "%s %s %d", &str1 , &str2, &iTemp );
if( 0 == strcmp( "end_header", str1 ) )
break;
else if( 0 == strcmp( "element", str1 ) && 0 == strcmp( "vertex", str2 ) )
objMesh.setNumberOfVertices(iTemp);
else if( 0 == strcmp( "element", str1 ) && 0 == strcmp( "face", str2 ) )
objMesh.setNumberOfFaces(iTemp);
}
}
unsigned int count = 0;
double x=0, y=0, z=0 ;
for( ; count < objMesh.totalVertices() ; ++count )
{
fgets( buffer , SIZE , fileReadPointer);
sscanf( buffer, "%lf %lf %lf", &x , &y, &z );
Vertex tempVertex(x,y,z);
objMesh.getVertexList().push_back(tempVertex);
}
count = 0;
int v1=0, v2=0, v3=0, v4=0, v5=0 ;
for( count = 0 ; count < objMesh.totalFaces() ; ++count )
{
fgets( buffer , SIZE , fileReadPointer);
sscanf( buffer, "%d %d %d %d %d %d", &iTemp, &v1 , &v2, &v3, &v4, &v5 );
// Triangulate the quads
if( 3 == iTemp )
{
Face objFace;
objFace.getBoundingVerticesList().push_back( v1 );
objFace.getBoundingVerticesList().push_back( v2 );
objFace.getBoundingVerticesList().push_back( v3 );
objMesh.getFaceList().push_back(objFace);
if( !objMesh.getParsingStatus() )
objMesh.getControlMeshFaceList().push_back(objFace);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v1);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v1);
}
else if( 4 == iTemp )
{
Face objFace1;
objFace1.getBoundingVerticesList().push_back( v1 );
objFace1.getBoundingVerticesList().push_back( v2 );
objFace1.getBoundingVerticesList().push_back( v3 );
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v1);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v1);
Face objFace2;
objFace2.getBoundingVerticesList().push_back( v3 );
objFace2.getBoundingVerticesList().push_back( v4 );
objFace2.getBoundingVerticesList().push_back( v1 );
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v4);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v4].getNeighboringVerticesList().push_back(v1);
objMesh.getVertexList()[v4].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v4);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v1);
objMesh.getFaceList().push_back(objFace1);
objMesh.getFaceList().push_back(objFace2);
if( !objMesh.getParsingStatus() )
{
objMesh.getControlMeshFaceList().push_back(objFace1);
objMesh.getControlMeshFaceList().push_back(objFace2);
}
}
else if( 5 == iTemp )
{
Face objFace1;
objFace1.getBoundingVerticesList().push_back( v1 );
objFace1.getBoundingVerticesList().push_back( v2 );
objFace1.getBoundingVerticesList().push_back( v3 );
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v1);
objMesh.getVertexList()[v2].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v2);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v1);
Face objFace2;
objFace2.getBoundingVerticesList().push_back( v3 );
objFace2.getBoundingVerticesList().push_back( v4 );
objFace2.getBoundingVerticesList().push_back( v5 );
objMesh.getVertexList()[v4].getNeighboringVerticesList().push_back(v5);
objMesh.getVertexList()[v4].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v5].getNeighboringVerticesList().push_back(v4);
objMesh.getVertexList()[v5].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v4);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v5);
Face objFace3;
objFace3.getBoundingVerticesList().push_back( v5 );
objFace3.getBoundingVerticesList().push_back( v1 );
objFace3.getBoundingVerticesList().push_back( v3 );
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v5);
objMesh.getVertexList()[v1].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v5].getNeighboringVerticesList().push_back(v1);
objMesh.getVertexList()[v5].getNeighboringVerticesList().push_back(v3);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v5);
objMesh.getVertexList()[v3].getNeighboringVerticesList().push_back(v1);
objMesh.getFaceList().push_back(objFace1);
objMesh.getFaceList().push_back(objFace2);
objMesh.getFaceList().push_back(objFace3);
if( !objMesh.getParsingStatus() )
{
objMesh.getControlMeshFaceList().push_back(objFace1);
objMesh.getControlMeshFaceList().push_back(objFace2);
objMesh.getControlMeshFaceList().push_back(objFace3);
}
}
else
{
std::cerr << "Error: Found a face with for than 5 sides" << std::endl ;
}
}
if( !objMesh.getParsingStatus() )
for( unsigned int i =0 ; i < objMesh.getVertexList().size() ; ++ i )
objMesh.getControlMeshVertexList().push_back(objMesh.getVertexList()[i]);
updateMetaInformation();
}
