private static Dictionary <Triangle, TriangleHL> ConvertFace(Face face, Matrix44D cameraBodyFrame, double nearPlane)
{
var faceHL = new FaceHL()
{
HasBorder = face.HasBorder, HasFacets = face.HasFacets
};
var triangleDict = face.Triangles.ToDictionary(t => t, t => ConvertTriangle(t, faceHL, cameraBodyFrame, nearPlane));
return(triangleDict);
}
private static TriangleHL ConvertTriangle(Triangle triangle, FaceHL face, Matrix44D cameraBodyFrame, double nearPlane)
{
// var normal = cameraBodyFrame * triangle.Normal;
var p1 = cameraBodyFrame * triangle.P1.Point.Position;
var p2 = cameraBodyFrame * triangle.P2.Point.Position;
var p3 = cameraBodyFrame * triangle.P3.Point.Position;
var ex = p2 - p1;
var ey = p3 - p1;
var normal = (ex & ey).Normalize();
var triangleHL = new TriangleHL()
{
Normal = normal,
P1 = p1,
P2 = p2,
P3 = p3,
Face = face,
Spin = DetermineTriangleSpin(p1, p2, p3, nearPlane),
Triangle = triangle
};
return(triangleHL);
}
