private Mesh MeshFromRandomTriangles()
{
Mesh m = RenderTarget.CreateMesh();
using (TessellationSink sink = m.Open())
{
int count = Random.Next(2, 20);
triangles = new List <Triangle>();
CreateRandomTriangles(count);
sink.AddTriangles(triangles);
sink.Close();
}
return(m);
}
private Mesh MeshFromRandomGeometry()
{
if (geometry != null)
{
geometry.Dispose();
}
geometry = new GeometryShape(RenderTarget, Random, d2DFactory, Bitmap);
Mesh m = RenderTarget.CreateMesh();
TessellationSink sink = m.Open();
if (geometry.worldTransform.HasValue)
{
geometry.Geometry.Tessellate(sink, FlatteningTolerance, geometry.worldTransform.Value);
}
else
{
geometry.Geometry.Tessellate(sink, FlatteningTolerance);
}
sink.Close();
sink.Dispose();
return(m);
}
/// <summary>
/// Creates a set of clockwise-wound triangles that cover the geometry after it has been transformed using the specified matrix and flattened using the specified tolerance
/// </summary>
/// <param name="worldTransform">The transform to apply to this geometry, or NULL.</param>
/// <param name="flatteningTolerance">The maximum bounds on the distance between points in the polygonal approximation of the geometry. Smaller values produce more accurate results but cause slower execution. </param>
/// <param name="tessellationSink">The <see cref="SharpDX.Direct2D1.TessellationSink"/> to which the tessellated is appended.</param>
/// <returns>If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
/// <unmanaged>HRESULT Tessellate([In, Optional] const D2D1_MATRIX_3X2_F* worldTransform,[None] FLOAT flatteningTolerance,[In] ID2D1TessellationSink* tessellationSink)</unmanaged>
public void Tessellate(RawMatrix3x2? worldTransform, float flatteningTolerance, TessellationSink tessellationSink)
{
this.Tessellate_(worldTransform, flatteningTolerance, TessellationSinkShadow.ToIntPtr(tessellationSink));
}
/// <summary>
/// Creates a set of clockwise-wound triangles that cover the geometry after it has been transformed using the specified matrix and flattened using the specified tolerance
/// </summary>
/// <param name="flatteningTolerance">The maximum bounds on the distance between points in the polygonal approximation of the geometry. Smaller values produce more accurate results but cause slower execution. </param>
/// <param name="tessellationSink">The <see cref="SharpDX.Direct2D1.TessellationSink"/> to which the tessellated is appended.</param>
/// <returns>If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
/// <unmanaged>HRESULT Tessellate([In, Optional] const D2D1_MATRIX_3X2_F* worldTransform,[None] FLOAT flatteningTolerance,[In] ID2D1TessellationSink* tessellationSink)</unmanaged>
public void Tessellate(float flatteningTolerance, TessellationSink tessellationSink)
{
Tessellate(null, flatteningTolerance, tessellationSink);
}
/// <summary>
/// Creates a set of clockwise-wound triangles that cover the geometry after it has been transformed using the specified matrix and flattened using the specified tolerance
/// </summary>
/// <param name="tessellationSink">The <see cref="T:SharpDX.Direct2D1.TessellationSink" /> to which the tessellated is appended.</param>
/// <returns>If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
/// <unmanaged>HRESULT Tessellate([In, Optional] const D2D1_MATRIX_3X2_F* worldTransform,[None] FLOAT flatteningTolerance,[In] ID2D1TessellationSink* tessellationSink)</unmanaged>
public void Tessellate(TessellationSink tessellationSink)
{
this.Tessellate(null, FlatteningTolerance, tessellationSink);
}
/// <summary>
/// Get a native callback pointer from a managed callback.
/// </summary>
/// <param name="tessellationSink">The geometry sink.</param>
/// <returns>A pointer to the unmanaged geomerty sink counterpart</returns>
public static IntPtr ToIntPtr(TessellationSink tessellationSink)
{
return ToIntPtr<TessellationSink>(tessellationSink);
}
/// <summary>
/// Creates a set of clockwise-wound triangles that cover the geometry after it has been transformed using the specified matrix and flattened using the specified tolerance
/// </summary>
/// <param name="flatteningTolerance">The maximum bounds on the distance between points in the polygonal approximation of the geometry. Smaller values produce more accurate results but cause slower execution. </param>
/// <param name="tessellationSink">The <see cref="SharpDX.Direct2D1.TessellationSink"/> to which the tessellated is appended.</param>
/// <returns>If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
/// <unmanaged>HRESULT Tessellate([In, Optional] const D2D1_MATRIX_3X2_F* worldTransform,[None] FLOAT flatteningTolerance,[In] ID2D1TessellationSink* tessellationSink)</unmanaged>
public void Tessellate(float flatteningTolerance, TessellationSink tessellationSink)
{
Tessellate(null, flatteningTolerance, tessellationSink);
}
/// <summary>
/// Creates a set of clockwise-wound triangles that cover the geometry after it has been transformed using the specified matrix and flattened using the specified tolerance
/// </summary>
/// <param name="tessellationSink">The <see cref="T:SharpDX.Direct2D1.TessellationSink" /> to which the tessellated is appended.</param>
/// <returns>If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.</returns>
/// <unmanaged>HRESULT Tessellate([In, Optional] const D2D1_MATRIX_3X2_F* worldTransform,[None] FLOAT flatteningTolerance,[In] ID2D1TessellationSink* tessellationSink)</unmanaged>
public void Tessellate(TessellationSink tessellationSink)
{
this.Tessellate(null, FlatteningTolerance, tessellationSink);
}
/// <summary>
/// Get a native callback pointer from a managed callback.
/// </summary>
/// <param name="tessellationSink">The geometry sink.</param>
/// <returns>A pointer to the unmanaged geometry sink counterpart</returns>
public static IntPtr ToIntPtr(TessellationSink tessellationSink)
{
return(ToCallbackPtr <TessellationSink>(tessellationSink));
}
