public IEnumerable <Pos3Norm3VertexSDX> GetVertices(D2DGeometry geometry, float height = 1f)
{
List <Pos3Norm3VertexSDX> vertices = new List <Pos3Norm3VertexSDX>();
//Empty mesh
if (geometry == null)
{
Pos3Norm3VertexSDX zero = new Pos3Norm3VertexSDX();
vertices.Add(zero);
vertices.Add(zero);
vertices.Add(zero);
return(vertices);
}
if (height > 0)
{
D2DGeometry flattenedGeometry = this.FlattenGeometry(geometry, sc_flatteningTolerance);
D2DGeometry outlinedGeometry = this.OutlineGeometry(flattenedGeometry);
//Add snap here
var sink = new ExtrudingSink(vertices, height);
outlinedGeometry.Simplify(GeometrySimplificationOption.Lines, sink);
var bounds = flattenedGeometry.GetBounds();
var scaling = Math.Min(1 / Math.Abs(bounds.Bottom - bounds.Top), 1);
outlinedGeometry.Tessellate(sink);
outlinedGeometry.Dispose();
flattenedGeometry.Dispose();
sink.Dispose();
return(vertices.Select(v => v.Scale(scaling).AssignTexCd()).Reverse());
}
else
{
D2DGeometry flattenedGeometry = this.FlattenGeometry(geometry, sc_flatteningTolerance);
//Add snap here
var sink = new FlatSink(vertices);
var bounds = flattenedGeometry.GetBounds();
var scaling = Math.Min(1 / Math.Abs(bounds.Bottom - bounds.Top), 1);
flattenedGeometry.Tessellate(sink);
flattenedGeometry.Dispose();
sink.Dispose();
return(vertices.Select(v => v.Scale(scaling).AssignTexCd()).Reverse());
}
}
private D2DGeometry FlattenGeometry(D2DGeometry geometry, float tolerance)
{
PathGeometry path = new PathGeometry(this.factory);
using (GeometrySink sink = path.Open())
{
geometry.Simplify(GeometrySimplificationOption.Lines, tolerance, sink);
sink.Close();
}
return(path);
}
private D2DGeometry FlattenGeometry(D2DGeometry geometry, float tolerance)
{
PathGeometry path = new PathGeometry(this.factory);
GeometrySink sink = path.Open();
geometry.Simplify(GeometrySimplificationOption.Lines, tolerance, sink);
sink.Close();
return path;
}
public Shape CreateSimplification(DxGeometry resolvedSource, float tolerance)
{
Contract.Requires(resolvedSource != null);
Contract.Requires(Check.IsPositive(tolerance));
Contract.Ensures(Contract.Result<Shape>() != null);
_Builder = Shape.Create();
resolvedSource.Simplify(GeometrySimplificationOption.Lines, tolerance, this);
Shape result = _Builder.Build();
_Builder = null;
return result;
}
public void GetVertices(D2DGeometry geometry, List <Pos3Norm3VertexSDX> vertices, float height = 24.0f)
{
vertices.Clear();
//Empty mesh
if (geometry == null)
{
Pos3Norm3VertexSDX zero = new Pos3Norm3VertexSDX();
vertices.Add(zero);
vertices.Add(zero);
vertices.Add(zero);
}
using (D2DGeometry flattenedGeometry = this.FlattenGeometry(geometry, sc_flatteningTolerance))
{
using (D2DGeometry outlinedGeometry = this.OutlineGeometry(flattenedGeometry))
{
using (ExtrudingSink sink = new ExtrudingSink(vertices, height))
{
outlinedGeometry.Simplify(GeometrySimplificationOption.Lines, sink);
outlinedGeometry.Tessellate(sink);
}
}
}
}