/// <summary>
/// Updates the model.
/// </summary>
private void UpdateModel()
{
//var r = new TerrainModel();
oTerrainModel = new TerrainModel();
oTerrainModel.Load(this.Source);
//r.Texture = new SlopeDirectionTexture(0);
//r.Texture = new SlopeTexture(8);
if (this.Source.Image == null)
{
SlopeTexture oTexture = new SlopeTexture(10);
oTexture.Brush = new SolidColorBrush(Colors.Gray);
oTexture.Brush.Opacity = this.Source.Opacity;
oTexture.Brush.Freeze();
oTerrainModel.Texture = oTexture;
}
else
{
oTerrainModel.Texture = new MapTexture(this.Source.Image, this.Source.Opacity)
{
Left = oTerrainModel.Left, Right = oTerrainModel.Right, Top = oTerrainModel.Top, Bottom = oTerrainModel.Bottom
};
}
this.visualChild.Content = oTerrainModel.CreateModel(this.Source.Lod);
}
/// <summary>
/// Calculates the texture for the specified model.
/// </summary>
/// <param name="model">
/// The model.
/// </param>
/// <param name="mesh">
/// The mesh.
/// </param>
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
var up = new Vector3D(0, 0, 1);
for (int i = 0; i < normals.Count; i++)
{
double slope = Math.Acos(Vector3D.DotProduct(normals[i], up)) * 180 / Math.PI;
double u = slope / 40;
if (u > 1)
{
u = 1;
}
if (u < 0)
{
u = 0;
}
texcoords.Add(new Point(u, u));
}
this.TextureCoordinates = texcoords;
this.Material = MaterialHelper.CreateMaterial(this.Brush);
}
/// <summary>
/// Calculates the texture of the specified model.
/// </summary>
/// <param name="model">
/// The model.
/// </param>
/// <param name="mesh">
/// The mesh.
/// </param>
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var texcoords = new PointCollection();
foreach (var p in mesh.Positions)
{
double x = p.X + model.Offset.X;
double y = p.Y + model.Offset.Y;
double u = (x - this.Left) / (this.Right - this.Left);
double v = (y - this.Top) / (this.Bottom - this.Top);
texcoords.Add(new Point(u, v));
}
this.TextureCoordinates = texcoords;
}
/// <summary>
/// Calculates the texture of the specified model.
/// </summary>
/// <param name="model">
/// The model.
/// </param>
/// <param name="mesh">
/// The mesh.
/// </param>
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
for (int i = 0; i < normals.Count; i++)
{
double slopedir = Math.Atan2(normals[i].Y, normals[i].X) * 180 / Math.PI;
if (slopedir < 0)
{
slopedir += 360;
}
double u = slopedir / 360;
texcoords.Add(new Point(u, u));
}
this.TextureCoordinates = texcoords;
this.Material = MaterialHelper.CreateMaterial(this.Brush);
}
/// <summary>
/// Calculates the texture of the specified model.
/// </summary>
/// <param name="model">
/// The model.
/// </param>
/// <param name="mesh">
/// The mesh.
/// </param>
public virtual void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
}
