public static IntCollection Parse(string source)
{
IFormatProvider formatProvider = CultureInfo.InvariantCulture;
var th = new TokenizerHelper(source, formatProvider);
var resource = new IntCollection();
while (th.NextToken())
{
var value = Convert.ToInt32(th.GetCurrentToken(), formatProvider);
resource.Add(value);
}
return(resource);
}
public static MeshGeometry3D GetRect(Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3)
{
var positions = new Vector3Collection();
var triangleIndices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
var normals = new Vector3Collection();
//private Vector3Collection tangents;
//private Vector3Collection bitangents;
var textureCoordinates = new Vector2Collection();
var widthOrientation = new Vector3(0, 0, 1);
var heightOrientation = new Vector3(0, 1, 0);
positions.Add(p0);
positions.Add(p1);
positions.Add(p2);
positions.Add(p3);
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
textureCoordinates.Add(new Vector2(0, 0));
textureCoordinates.Add(new Vector2(1, 0));
textureCoordinates.Add(new Vector2(1, 1));
textureCoordinates.Add(new Vector2(0, 1));
triangleIndices.Add(2);
triangleIndices.Add(1);
triangleIndices.Add(0);
triangleIndices.Add(0);
triangleIndices.Add(3);
triangleIndices.Add(2);
return(new MeshGeometry3D()
{
Positions = positions,
Indices = triangleIndices,
Normals = normals,
TextureCoordinates = textureCoordinates
});
}
public static MeshGeometry3D GetRect(Vector3 center, float width, float height, Vector3 widthOrientation, Vector3 heightOrientation)
{
var positions = new Vector3Collection();
var triangleIndices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
var normals = new Vector3Collection();
//private Vector3Collection tangents;
//private Vector3Collection bitangents;
var textureCoordinates = new Vector2Collection();
positions.Add(center - widthOrientation * width / 2 - heightOrientation * height / 2);
positions.Add(center + widthOrientation * width / 2 - heightOrientation * height / 2);
positions.Add(center + widthOrientation * width / 2 + heightOrientation * height / 2);
positions.Add(center - widthOrientation * width / 2 + heightOrientation * height / 2);
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
normals.Add(new Vector3(1, 0, 0));
textureCoordinates.Add(new Vector2(1, 1));
textureCoordinates.Add(new Vector2(0, 1));
textureCoordinates.Add(new Vector2(0, 0));
textureCoordinates.Add(new Vector2(1, 0));
triangleIndices.Add(2);
triangleIndices.Add(1);
triangleIndices.Add(0);
triangleIndices.Add(0);
triangleIndices.Add(3);
triangleIndices.Add(2);
return(new MeshGeometry3D()
{
Positions = positions,
Indices = triangleIndices,
Normals = normals,
TextureCoordinates = textureCoordinates
});
}
public static MeshGeometry3D GetCube(Vector3 minimum, Vector3 maximum)
{
var positions = new Vector3Collection();
var triangleIndices = new HelixToolkit.Wpf.SharpDX.Core.IntCollection();
var normals = new Vector3Collection();
var textureCoordinates = new Vector2Collection();
positions.Add(new Vector3(minimum.X, minimum.Y, minimum.Z)); //0
positions.Add(new Vector3(maximum.X, minimum.Y, minimum.Z)); //1
positions.Add(new Vector3(minimum.X, maximum.Y, minimum.Z)); //2
positions.Add(new Vector3(minimum.X, minimum.Y, maximum.Z)); //3
positions.Add(new Vector3(maximum.X, maximum.Y, minimum.Z)); //4
positions.Add(new Vector3(maximum.X, minimum.Y, maximum.Z)); //5
positions.Add(new Vector3(minimum.X, maximum.Y, maximum.Z)); //6
positions.Add(new Vector3(maximum.X, maximum.Y, maximum.Z)); //7
triangleIndices.AddRange(new[] { 0, 5, 3, 0, 1, 5 });
triangleIndices.AddRange(new[] { 1, 7, 5, 1, 4, 7 });
triangleIndices.AddRange(new[] { 4, 7, 2, 7, 6, 2 });
triangleIndices.AddRange(new[] { 6, 3, 0, 6, 0, 2 });
triangleIndices.AddRange(new[] { 6, 3, 5, 5, 7, 6 });
triangleIndices.AddRange(new[] { 0, 1, 2, 2, 1, 4 });
for (int i = 0; i < positions.Count; i++)
{
normals.Add(new Vector3(1, 0, 0));
textureCoordinates.Add(new Vector2(0, 0));
}
return(new MeshGeometry3D()
{
Positions = positions,
Indices = triangleIndices,
Normals = normals,
TextureCoordinates = textureCoordinates
});
}
public static System.Windows.Media.Int32Collection ToInt32Collection(SharpDX.Core.IntCollection collection)
{
return(new System.Windows.Media.Int32Collection(collection));
}
