public List <Vector3> GetModelVertices(float Scale)
{
List <Vector3> verts = new List <Vector3>();
VertexStaticModel[] vertices = new VertexStaticModel[numVertices];
vertexBuffer.GetData(vertices);
foreach (VertexStaticModel vertex in vertices)
{
verts.Add(vertex.Position * Scale);
}
return(verts);
}
public void ConvertVertexPositionNormalToStaticModelVertex(VertexPositionNormal vertex, Vector2 texCoords, out VertexStaticModel outVertex)
{
// @NOTE: Since we don't have UVs we don't have a relative up, so all this does is give
// us two vectors orthagonal to the vertex.Normal
Vector3 referenceVector = Vector3.UnitY;
float refDot = Vector3.Dot(referenceVector, vertex.Normal);
if (refDot == 1.0f || refDot == -1.0f)
{
referenceVector = Vector3.UnitZ;
}
Vector3 tangent = Vector3.Cross(vertex.Normal, referenceVector);
Vector3 binormal = Vector3.Cross(vertex.Normal, -tangent);
outVertex = new VertexStaticModel(vertex.Position, vertex.Normal, tangent, binormal, texCoords);
}