//---------------------------------------------------------------------
	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;


	}
Exemplo n.º 2
0
	//---------------------------------------------------------------------
	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;


	}