//---------------------------------------------------------------------
TangentSpaceCalc::Result TangentSpaceCalc::build(
VertexElementSemantic targetSemantic,
unsigned short sourceTexCoordSet, unsigned short index)
{
Result res;
// Pull out all the vertex components we'll need
populateVertexArray(sourceTexCoordSet);
// Now process the faces and calculate / add their contributions
processFaces(res);
// Now normalise & orthogonalise
normaliseVertices();
// Create new final geometry
// First extend existing buffers to cope with new vertices
extendBuffers(res.vertexSplits);
// Alter indexes
remapIndexes(res);
// Create / identify target & write tangents
insertTangents(res, targetSemantic, sourceTexCoordSet, index);
return res;
}
//---------------------------------------------------------------------
TangentSpaceCalc::Result TangentSpaceCalc::build(
VertexElementSemantic targetSemantic,
unsigned short sourceTexCoordSet, unsigned short index)
{
if (index == 0 && targetSemantic == VES_TEXTURE_COORDINATES)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Destination texture coordinate set must be greater than 0",
"TangentSpaceCalc::build");
}
Result res;
// Pull out all the vertex components we'll need
populateVertexArray(sourceTexCoordSet);
// Now process the faces and calculate / add their contributions
processFaces(res);
// Now normalise & orthogonalise
normaliseVertices();
// Create new final geometry
// First extend existing buffers to cope with new vertices
extendBuffers(res.vertexSplits);
// Alter indexes
remapIndexes(res);
// Create / identify target & write tangents
insertTangents(res, targetSemantic, sourceTexCoordSet, index);
return res;
}
