private static void EndCap_ConeSoft(ref int pointOffset, ref double[] rotateAnglesForPerp, MeshGeometry3D geometry, Point[] pointsTheta, Transform3D transform, Transform3D normalTransform, TubeRingPoint ring, double capHeight, bool isFirst)
{
#region Positions/Normals
if (isFirst || !ring.MergeNormalWithPrevIfSoft)
{
for (int thetaCntr = 0; thetaCntr < pointsTheta.Length; thetaCntr++)
{
Point3D point = new Point3D(pointsTheta[thetaCntr].X, pointsTheta[thetaCntr].Y, 0d);
geometry.Positions.Add(transform.Transform(point));
geometry.Normals.Add(normalTransform.Transform(point).ToVector().ToUnit()); // the normal is the same as the point for a sphere (but no tranlate transform)
}
}
// Cone tip
geometry.Positions.Add(transform.Transform(new Point3D(0, 0, capHeight)));
geometry.Normals.Add(transform.Transform(new Vector3D(0, 0, capHeight < 0 ? -1 : 1))); // they can pass in a negative cap height
#endregion
#region Triangles
int topIndex = geometry.Positions.Count - 1;
for (int cntr = 0; cntr < pointsTheta.Length - 1; cntr++)
{
geometry.TriangleIndices.Add(pointOffset + cntr + 0);
geometry.TriangleIndices.Add(pointOffset + cntr + 1);
geometry.TriangleIndices.Add(topIndex);
}
// The last triangle links back to zero
geometry.TriangleIndices.Add(pointOffset + pointsTheta.Length - 1 + 0);
geometry.TriangleIndices.Add(pointOffset + 0);
geometry.TriangleIndices.Add(topIndex);
#endregion
pointOffset = geometry.Positions.Count;
}
private static void EndCap_ConeHard(ref int pointOffset, ref double[] rotateAnglesForPerp, MeshGeometry3D geometry, Point[] pointsTheta, Transform3D transform, TubeRingPoint ring, double capHeight, bool isFirst)
{
Point3D tipPosition = transform.Transform(new Point3D(0, 0, capHeight));
int localOffset = 0;
for (int cntr = 0; cntr < pointsTheta.Length - 1; cntr++)
{
geometry.Positions.Add(transform.Transform(new Point3D(pointsTheta[cntr].X, pointsTheta[cntr].Y, 0d)));
geometry.Positions.Add(transform.Transform(new Point3D(pointsTheta[cntr + 1].X, pointsTheta[cntr + 1].Y, 0d)));
geometry.Positions.Add(tipPosition);
Vector3D normal = GetNormal(geometry.Positions[pointOffset + localOffset + 0], geometry.Positions[pointOffset + localOffset + 1], geometry.Positions[pointOffset + localOffset + 2]);
geometry.Normals.Add(normal); // the normals point straight out of the face
geometry.Normals.Add(normal);
geometry.Normals.Add(normal);
geometry.TriangleIndices.Add(pointOffset + localOffset + 0);
geometry.TriangleIndices.Add(pointOffset + localOffset + 1);
geometry.TriangleIndices.Add(pointOffset + localOffset + 2);
localOffset += 3;
}
// The last triangle links back to zero
geometry.Positions.Add(transform.Transform(new Point3D(pointsTheta[pointsTheta.Length - 1].X, pointsTheta[pointsTheta.Length - 1].Y, 0d)));
geometry.Positions.Add(transform.Transform(new Point3D(pointsTheta[0].X, pointsTheta[0].Y, 0d)));
geometry.Positions.Add(tipPosition);
Vector3D normal2 = GetNormal(geometry.Positions[pointOffset + localOffset + 0], geometry.Positions[pointOffset + localOffset + 1], geometry.Positions[pointOffset + localOffset + 2]);
geometry.Normals.Add(normal2); // the normals point straight out of the face
geometry.Normals.Add(normal2);
geometry.Normals.Add(normal2);
geometry.TriangleIndices.Add(pointOffset + localOffset + 0);
geometry.TriangleIndices.Add(pointOffset + localOffset + 1);
geometry.TriangleIndices.Add(pointOffset + localOffset + 2);
// Update ref param
pointOffset = geometry.Positions.Count;
}
private void RebuildCustom()
{
try
{
pnlCustomError.Visibility = Visibility.Collapsed;
#region Fix the row numbers
for (int cntr = 0; cntr < _customRows.Count; cntr++)
{
((TextBlock)_customRows[cntr].Item2.Children[0]).Text = (cntr + 1).ToString();
}
txtCustomInsertIndex.Text = (_customRows.Count + 1).ToString();
#endregion
List<TubeRingBase> rings = new List<TubeRingBase>();
#region Parse the rows
for (int cntr = 0; cntr < _customRows.Count; cntr++)
{
StackPanel panel = _customRows[cntr].Item2;
// Distance
double distance = double.Parse(((TextBox)panel.Children[2]).Text);
switch (_customRows[cntr].Item1)
{
case "Poly":
TubeRingRegularPolygon poly = new TubeRingRegularPolygon(distance, false,
double.Parse(((TextBox)panel.Children[4]).Text),
double.Parse(((TextBox)panel.Children[6]).Text),
((CheckBox)panel.Children[7]).IsChecked.Value);
rings.Add(poly);
break;
case "Point":
TubeRingPoint point = new TubeRingPoint(distance, false);
rings.Add(point);
break;
case "Dome":
TubeRingDome dome = new TubeRingDome(distance, false,
int.Parse(((TextBox)panel.Children[4]).Text));
rings.Add(dome);
break;
default:
throw new ApplicationException("Unknown type: " + _customRows[cntr].Item1);
}
}
#endregion
MeshGeometry3D mesh = UtilityWPF.GetMultiRingedTube(int.Parse(txtNumSides.Text), rings, chkSoftSides.IsChecked.Value, true);
// Material
MaterialGroup material = new MaterialGroup();
Color color = UtilityWPF.ColorFromHex(txtDiffuse.Text);
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(color)));
if (chkSpecular.IsChecked.Value)
{
color = UtilityWPF.ColorFromHex(txtSpecular.Text);
double power = double.Parse(txtSpecularPower.Text);
material.Children.Add(new SpecularMaterial(new SolidColorBrush(color), power));
}
if (chkEmissive.IsChecked.Value)
{
color = UtilityWPF.ColorFromHex(txtEmissive.Text);
material.Children.Add(new EmissiveMaterial(new SolidColorBrush(color)));
}
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
geometry.Geometry = mesh;
// Model Visual
ModelVisual3D visual = new ModelVisual3D();
visual.Content = geometry;
// Store it
SetCurrentVisual(visual);
}
catch (Exception ex)
{
pnlCustomError.Visibility = Visibility.Visible;
lblCustomError.Text = ex.Message;
}
}