/// <summary>
/// Builds a line list containing a line for each face tangent.
/// </summary>
public List <Vector3> BuildLineListForFaceTangents()
{
List <Vector3> result = new List <Vector3>();
//Generate all lines
foreach (var actTriangle in this.Triangles)
{
//Get all vertices of current face
var geo1 = m_owner.RawGeometry[actTriangle.Index1];
var geo2 = m_owner.RawGeometry[actTriangle.Index2];
var geo3 = m_owner.RawGeometry[actTriangle.Index3];
//Get average values for current face
Vector3 averageTangent = Vector3.Normalize(Vector3Ex.Average(geo1.Tangent, geo2.Tangent, geo3.Tangent));
Vector3 averagePosition = Vector3Ex.Average(geo1.Position, geo2.Position, geo3.Position);
averageTangent *= 0.2f;
//Generate a line
if (averageTangent.Length() > 0.1f)
{
result.Add(averagePosition);
result.Add(averagePosition + averageTangent);
}
}
return(result);
}
/// <summary>
/// Builds a line list containing a line for each face normal.
/// </summary>
public List <Vector3> BuildLineListForFaceNormals()
{
List <Vector3> result = new List <Vector3>();
//Generate all lines
foreach (Triangle actTriangle in this.Triangles)
{
//Get all vertices of current face
Vertex vertex1 = m_owner.VerticesInternal[actTriangle.Index1];
Vertex vertex2 = m_owner.VerticesInternal[actTriangle.Index2];
Vertex vertex3 = m_owner.VerticesInternal[actTriangle.Index3];
//Get average values for current face
Vector3 averageNormal = Vector3.Normalize(Vector3Ex.Average(vertex1.Normal, vertex2.Normal, vertex3.Normal));
Vector3 averagePosition = Vector3Ex.Average(vertex1.Position, vertex2.Position, vertex3.Position);
averageNormal *= 0.2f;
//Generate a line
if (averageNormal.Length() > 0.1f)
{
result.Add(averagePosition);
result.Add(averagePosition + averageNormal);
}
}
return(result);
}
