gistfile1.txt

void flapOptimization()
{
	vector<unsigned int> vertexCount(g.halfmesh.totalVerts);
	vector<HE_Face*> faceTracker(g.halfmesh.totalVerts);

	map<unsigned int, HE_Face*> flaps;

	for(unsigned int i = 0; i < g.halfmesh.totalFaces; i++)
	{
		for(unsigned int j = 0; j < 3; j++)
		{
			auto test = g.halfmesh.faceData[i].vi.v[j];
			vertexCount[g.halfmesh.faceData[i].vi.v[j]]++;
			faceTracker[g.halfmesh.faceData[i].vi.v[j]] = &g.halfmesh.faceData[i];
		}
	}

	for(unsigned int i = 0; i < vertexCount.size(); i++)
	{
		if(vertexCount[i] == 1)
		{
			HE_Vertex p1;
			HE_Vertex p2;
			HE_Vertex p3;
			if(i == faceTracker[i]->vi[0])
			{
				p3 = g.halfmesh.vertexData[i];

				p1 = g.halfmesh.vertexData[faceTracker[i]->vi[1]];
				p2 = g.halfmesh.vertexData[faceTracker[i]->vi[2]];
			}
			else if(i == faceTracker[i]->vi[1])
			{
				p3 = g.halfmesh.vertexData[i];

				p1 = g.halfmesh.vertexData[faceTracker[i]->vi[0]];
				p2 = g.halfmesh.vertexData[faceTracker[i]->vi[2]];
			}
			else
			{
				p3 = g.halfmesh.vertexData[i];

				p1 = g.halfmesh.vertexData[faceTracker[i]->vi[0]];
				p2 = g.halfmesh.vertexData[faceTracker[i]->vi[1]];
			}

			auto alpha = ( (p3.pos - p1.pos).dot(p2.pos - p1.pos) ) / (p2.pos - p1.pos).length();
			auto L = (p3.pos - ((p3.pos - p1.pos).dot(p2.pos - p1.pos) / (p2.pos - p1.pos).dot(p2.pos - p1.pos)) * (p2.pos - p1.pos)).length();

			auto p2p1perp = p2.uvpos - p1.uvpos;
			auto temp = p2p1perp[0];
			p2p1perp[0] = -p2p1perp[1];
			p2p1perp[1] = temp;
			
			p3.uvpos = (1 - alpha)*p1.uvpos + alpha * p2.uvpos + (p2p1perp * L / (p2.uvpos - p1.uvpos).length());

			g.halfmesh.vertexData[i] = p3;
		}

	}
}