protected override void CreateDirectionalSurfaceSampling(
Func <Point3D, Point3D, double> estimateScreenDistanceWithoutClip,
Func <int, int, Tuple <int, int> > mapping,
int subdivisions,
List <Vertex> vertices,
List <IndexedLine> lines
)
{
if (vertices.Count > 0)
{
return;
}
var builder = new WireframeBuilder();
var surfaceSampler = new SurfaceConstantParameterLinesBuilder(
builder
);
var bezierPatch = new BernsteinPatch();
for (var i = 0; i < 16; ++i)
{
bezierPatch.ControlPoints[i / 4, i % 4] = ControlPoints[i].Position;
}
surfaceSampler.Build(bezierPatch);
vertices.AddRange(builder.Vertices.ToList());
lines.AddRange(builder.Lines.ToList());
}
public void UpdateGeometry(
Func <Point3D, Point3D, double> estimateScreenDistanceWithoutClip,
Predicate <Point3D> isInsideProjectiveCubePredicate
)
{
var isLooped = ControlPoints.Count / (3 * SegmentsU + 1) !=
3 * SegmentsV + 1;
_surface.SegmentsU = SegmentsU;
_surface.SegmentsV = SegmentsV;
_surface.ControlPoints = ControlPoints
.Select(t => t.Position)
.ToList();
var builder = new WireframeBuilder();
var sampler = new SurfaceConstantParameterLinesBuilder(builder);
sampler.Build(_surface);
if (IsPolygonRenderingEnabled)
{
var netBuilder = new ControlNetBuilder(builder);
netBuilder.BuildControlNet(
ControlPoints,
3 * SegmentsU + 1,
isLooped
);
}
Vertices = builder.Vertices.ToList();
Lines = builder.Lines.ToList();
MarkerPoints = ControlPoints.Select(t => new Vertex(
t.Position,
t.ColorOverride ?? Colors.White
)).ToList();
RawPoints = new List <Vertex>();
}
public void UpdateGeometry(
Func <Point3D, Point3D, double> estimateScreenDistanceWithoutClip,
Predicate <Point3D> isInsideProjectiveCubePredicate
)
{
var dataRowLength = 3 + SegmentsU;
var dataRowsCount = ControlPoints.Count / dataRowLength;
var isLooped = dataRowsCount != 3 + SegmentsV;
var builder = new WireframeBuilder();
var sampler = new SurfaceConstantParameterLinesBuilder(builder);
var bsplineSurf = GetParametricSurface();
sampler.Build(bsplineSurf);
if (IsPolygonRenderingEnabled)
{
var netBuilder = new ControlNetBuilder(builder);
netBuilder.BuildControlNet(
ControlPoints,
3 + SegmentsU,
isLooped
);
}
Vertices = builder.Vertices.ToList();
Lines = builder.Lines.ToList();
MarkerPoints = ControlPoints
.Select(t => new Vertex(
t.Position,
t.ColorOverride ?? Colors.White
)).ToList();
RawPoints = new List <Vertex>();
}