private static void WriteTextureCoordinates(StreamWriter writer, List <SurfacePoint> points, BoundingBox boundingBox)
{
writer.WriteLine("# texture coordinates (u,v)");
foreach (var point in points)
{
writer.WriteLine("vt {0} {1}",
boundingBox.NormalizeX(point.GridX), boundingBox.NormalizeY(point.GridY));
}
writer.WriteLine();
}
private static List <List <Vertex> > GetRows(List <SurfacePoint> points, BoundingBox boundingBox)
{
var rows = new List <List <Vertex> >();
var lastY = float.MinValue;
var row = new List <Vertex>();
foreach (var point in points)
{
var vertex = new Vertex
{
// Z is up
//x = point.GridX,
//y = point.GridY,
//z = point.Height,
//u = boundingBox.NormalizeX(point.GridX),
//v = boundingBox.NormalizeY(point.GridY)
// Y is up
x = point.GridX,
y = point.Height,
z = point.GridY,
u = boundingBox.NormalizeX(point.GridX),
v = boundingBox.NormalizeY(point.GridY)
};
if (lastY != point.GridY)
{
lastY = point.GridY;
row = new List <Vertex>();
rows.Add(row);
}
row.Add(vertex);
}
return(rows);
}