protected override void Triangulate(
DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Convert TextGeometry to series of closed polylines.
PathGeometry path =
TextGeometry.GetFlattenedPathGeometry(0.001,
ToleranceType.Relative);
foreach (PathFigure fig in path.Figures)
{
list.Clear();
list.Add(fig.StartPoint);
foreach (PathSegment seg in fig.Segments)
{
if (seg is LineSegment)
{
LineSegment lineseg = seg as LineSegment;
list.Add(lineseg.Point);
}
else if (seg is PolyLineSegment)
{
PolyLineSegment polyline = seg as PolyLineSegment;
for (int i = 0; i < polyline.Points.Count; i++)
list.Add(polyline.Points[i]);
}
}
// Figure is complete. Post-processing follows.
if (list.Count > 0)
{
// Remove last point if it's the same as the first.
if (list[0] == list[list.Count - 1])
list.RemoveAt(list.Count - 1);
// Convert points to Y increasing up.
for (int i = 0; i < list.Count; i++)
{
Point pt = list[i];
pt.Y = 2 * Origin.Y - pt.Y;
list[i] = pt;
}
// For each figure, process the points.
ProcessFigure(list, vertices, normals, indices, textures);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
MeshGeometry3D mesh = MeshGenerator.Geometry;
foreach (Point3D vertex in mesh.Positions)
vertices.Add(vertex);
foreach (Vector3D normal in mesh.Normals)
normals.Add(normal);
foreach (int index in mesh.TriangleIndices)
indices.Add(index);
foreach (Point texture in mesh.TextureCoordinates)
textures.Add(texture);
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(
DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Fill the vertices, normals, and textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double y = Length - stack * Length / Stacks;
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -Radius * Math.Sin(theta);
double z = -Radius * Math.Cos(theta);
normals.Add(new Vector3D(x, 0, z));
vertices.Add(new Point3D(x, y, z));
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add((stack + 0) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice + 1);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
Point3D[,] faces = Faces;
PointCollection texturesBase = TextureCoordinates;
int indexTextures = 0;
for (int face = 0; face < faces.GetLength(0); face++)
{
Vector3D normal = Vector3D.CrossProduct(faces[face, 1] - faces[face, 0],
faces[face, 2] - faces[face, 0]);
// For faces that are triangles.
if (faces.GetLength(1) == 3)
{
int indexBase = vertices.Count;
for (int i = 0; i < 3; i++)
{
vertices.Add(faces[face, i]);
normals.Add(normal);
indices.Add(indexBase + i);
if (texturesBase != null && texturesBase.Count > 0)
{
textures.Add(texturesBase[indexTextures]);
indexTextures = (indexTextures + 1) % texturesBase.Count;
}
}
if (Slices > 1)
TriangleSubdivide(vertices, normals, indices, textures);
}
// For faces that are not triangles.
else
{
for (int i = 0; i < faces.GetLength(1) - 1; i++)
{
int indexBase = vertices.Count;
int num = faces.GetLength(1) - 1;
vertices.Add(faces[face, 0]);
vertices.Add(faces[face, i + 1]);
vertices.Add(faces[face, (i + 1) % num + 1]);
if (texturesBase != null && texturesBase.Count >= faces.GetLength(1))
{
textures.Add(texturesBase[indexTextures + 0]);
textures.Add(texturesBase[indexTextures + i + 1]);
textures.Add(texturesBase[indexTextures + (i + 1) % num + 1]);
}
normals.Add(normal);
normals.Add(normal);
normals.Add(normal);
indices.Add(indexBase + 0);
indices.Add(indexBase + 1);
indices.Add(indexBase + 2);
if (Slices > 1)
TriangleSubdivide(vertices, normals, indices, textures);
}
if (texturesBase != null && texturesBase.Count > 0)
indexTextures = (indexTextures + faces.GetLength(1)) % texturesBase.Count;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="args">
/// The DependencyPropertyChangedEventArgs object originally
/// passed to the PropertyChanged handler that initiated this
/// recalculation.
/// </param>
/// <param name="vertices">
/// The Point3DCollection corresponding to the Positions property
/// of the MeshGeometry3D.
/// </param>
/// <param name="normals">
/// The Vector3DCollection corresponding to the Normals property
/// of the MeshGeometry3D.
/// </param>
/// <param name="indices">
/// The Int32Collection corresponding to the TriangleIndices
/// property of the MeshGeometry3D.
/// </param>
/// <param name="textures">
/// The PointCollection corresponding to the TextureCoordinates
/// property of the MeshGeometry3D.
/// </param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Loop for outside (side = 1) and inside (side = -1).
for (int side = 1; side >= -1; side -= 2)
{
int offset = vertices.Count;
// Begin at the top end. Fill the collections.
for (int stack = 0; stack <= EndStacks; stack++)
{
double y = Length;
double radius = Radius + side * stack * Thickness / 2 / EndStacks;
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -radius * Math.Sin(theta);
double z = -radius * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(0, side, 0));
textures.Add(new Point((double)slice / Slices,
Fold * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
offset = vertices.Count;
// Length of the tube: Fill in the collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double y = Length - stack * Length / Stacks;
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -(Radius + side * Thickness / 2) * Math.Sin(theta);
double z = -(Radius + side * Thickness / 2) * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(side * x, 0, side * z));
textures.Add(new Point((double)slice / Slices,
Fold + (1 - 2 * Fold) * stack / Stacks));
if (stack < Stacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
offset = vertices.Count;
// Finish with the bottom end. Fill the collections.
for (int stack = 0; stack <= EndStacks; stack++)
{
double y = 0;
double radius = Radius + side * Thickness / 2 * (1 - (double)stack / EndStacks);
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -radius * Math.Sin(theta);
double z = -radius * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(0, -side, 0));
textures.Add(new Point((double)slice / Slices,
(1 - Fold) + Fold * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
double x, y, z;
int indexBase = 0;
// Front side.
// -----------
z = Depth / 2;
// Fill the vertices, normals, textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
y = Height / 2 - stack * Height / Stacks;
for (int slice = 0; slice <= Slices; slice++)
{
x = -Width / 2 + slice * Width / Slices;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(x, y, 0));
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add((stack + 0) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice + 1);
}
}
// Rear side.
// -----------
indexBase = vertices.Count;
z = -Depth / 2;
// Fill the vertices, normals, textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
y = Height / 2 - stack * Height / Stacks;
for (int slice = 0; slice <= Slices; slice++)
{
x = Width / 2 - slice * Width / Slices;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(x, y, 0));
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add(indexBase + (stack + 0) * (Slices + 1) + slice);
indices.Add(indexBase + (stack + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (stack + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (stack + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (stack + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (stack + 1) * (Slices + 1) + slice + 1);
}
}
// Left side.
// -----------
indexBase = vertices.Count;
x = -Width / 2;
// Fill the vertices, normals, textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
y = Height / 2 - stack * Height / Stacks;
for (int layer = 0; layer <= Layers; layer++)
{
z = -Depth / 2 + layer * Depth / Layers;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(0, y, z));
textures.Add(new Point((double)layer / Layers,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int layer = 0; layer < Layers; layer++)
{
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer + 1);
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer + 1);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer + 1);
}
}
// Right side.
// -----------
indexBase = vertices.Count;
x = Width / 2;
// Fill the vertices, normals, textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
y = Height / 2 - stack * Height / Stacks;
for (int layer = 0; layer <= Layers; layer++)
{
z = Depth / 2 - layer * Depth / Layers;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(0, y, z));
textures.Add(new Point((double)layer / Layers,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int layer = 0; layer < Layers; layer++)
{
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer + 1);
indices.Add(indexBase + (stack + 0) * (Layers + 1) + layer + 1);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer);
indices.Add(indexBase + (stack + 1) * (Layers + 1) + layer + 1);
}
}
// Top side.
// -----------
indexBase = vertices.Count;
y = Height / 2;
// Fill the vertices, normals, textures collections.
for (int layer = 0; layer <= Layers; layer++)
{
z = -Depth / 2 + layer * Depth / Layers;
for (int slice = 0; slice <= Slices; slice++)
{
x = -Width / 2 + slice * Width / Slices;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(x, 0, z));
textures.Add(new Point((double)slice / Slices,
(double)layer / Layers));
}
}
// Fill the indices collection.
for (int layer = 0; layer < Layers; layer++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice + 1);
}
}
// Bottom side.
// -----------
indexBase = vertices.Count;
y = -Height / 2;
// Fill the vertices, normals, textures collections.
for (int layer = 0; layer <= Layers; layer++)
{
z = Depth / 2 - layer * Depth / Layers;
for (int slice = 0; slice <= Slices; slice++)
{
x = -Width / 2 + slice * Width / Slices;
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - new Point3D(x, 0, z));
textures.Add(new Point((double)slice / Slices,
(double)layer / Layers));
}
}
// Fill the indices collection.
for (int layer = 0; layer < Layers; layer++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (layer + 0) * (Slices + 1) + slice + 1);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice);
indices.Add(indexBase + (layer + 1) * (Slices + 1) + slice + 1);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// vectRearRadius points towards -Z (when possible).
Vector3D vectCylinder = Point2 - Point1;
Vector3D vectRearRadius;
if (vectCylinder.X == 0 && vectCylinder.Y == 0)
{
// Special case: set rear-radius vector
vectRearRadius = new Vector3D(0, -1, 0);
}
else
{
// Find vector axis 90 degrees from cylinder where Z == 0
rotate.Axis = Vector3D.CrossProduct(vectCylinder, new Vector3D(0, 0, 1));
rotate.Angle = -90;
// Rotate cylinder 90 degrees to find radius vector
vectRearRadius = vectCylinder * xform.Value;
vectRearRadius.Normalize();
}
// Will rotate radius around cylinder axis
rotate.Axis = -vectCylinder;
// Begin at the top end. Fill the collections.
for (int stack = 0; stack <= EndStacks; stack++)
{
double radius = stack * Radius1 / EndStacks;
Vector3D vectRadius = radius * vectRearRadius;
int top = (stack + 0) * (Slices + 1);
int bot = (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
rotate.Angle = slice * 360.0 / Slices;
vertices.Add(Point1 + vectRadius * xform.Value);
normals.Add(-vectCylinder);
textures.Add(new Point((double)slice / Slices,
Fold1 * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
if (stack != 0)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
}
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
int offset = vertices.Count;
// Go down length of cylinder and fill in the collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double radius = ((Stacks - stack) * Radius1 + stack * Radius2) / Stacks;
Vector3D vectRadius = radius * vectRearRadius;
Point3D center = (Point3D) (Point1 + stack * vectCylinder / Stacks);
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
rotate.Angle = slice * 360.0 / Slices;
Vector3D normal = vectRadius * xform.Value;
normals.Add(normal);
vertices.Add(center + normal);
textures.Add(new Point((double)slice / Slices,
Fold1 + (Fold2 - Fold1) * stack / Stacks));
if (stack < Stacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
offset = vertices.Count;
// Finish with bottom.
for (int stack = 0; stack <= EndStacks; stack++)
{
double radius = Radius2 * (1 - (double)stack / EndStacks);
Vector3D vectRadius = radius * vectRearRadius;
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
rotate.Angle = slice * 360.0 / Slices;
vertices.Add(Point2 + vectRadius * xform.Value);
normals.Add(vectCylinder);
textures.Add(new Point((double)slice / Slices,
Fold2 + (1 - Fold2) * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
if (stack != EndStacks - 1)
{
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
}
}
/*
// Static method called for any property change.
static void PropertyChanged(DependencyObject obj,
DependencyPropertyChangedEventArgs args)
{
(obj as TorusMesh).PropertyChanged(args);
}
*/
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Fill the vertices, normals, and textures collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double phi = stack * 2 * Math.PI / Stacks;
double xCenter = Radius * Math.Sin(phi);
double yCenter = Radius * Math.Cos(phi);
Point3D pointCenter = new Point3D(xCenter, yCenter, 0);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices + Math.PI;
double x = (Radius + TubeRadius * Math.Cos(theta)) * Math.Sin(phi);
double y = (Radius + TubeRadius * Math.Cos(theta)) * Math.Cos(phi);
double z = -TubeRadius * Math.Sin(theta);
Point3D point = new Point3D(x, y, z);
vertices.Add(point);
normals.Add(point - pointCenter);
textures.Add(new Point((double)slice / Slices,
(double)stack / Stacks));
}
}
// Fill the indices collection.
for (int stack = 0; stack < Stacks; stack++)
{
for (int slice = 0; slice < Slices; slice++)
{
indices.Add((stack + 0) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 0) * (Slices + 1) + slice + 1);
indices.Add((stack + 1) * (Slices + 1) + slice);
indices.Add((stack + 1) * (Slices + 1) + slice + 1);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Copy properties to local variables to improve speed
int slices = Slices;
int stacks = Stacks;
double radius = Radius;
Point3D ctr = Center;
double lat1 = Math.Max(LatitudeFrom, LatitudeTo); // default is 90
double lat2 = Math.Min(LatitudeFrom, LatitudeTo); // default is -90
double lng1 = LongitudeFrom; // default is -180
double lng2 = LongitudeTo; // default is 180
for (int lat = 0; lat <= stacks; lat++)
{
double degrees = lat1 - lat * (lat1 - lat2) / stacks;
double angle = Math.PI * degrees / 180;
double y = radius * Math.Sin(angle);
double scale = Math.Cos(angle);
for (int lng = 0; lng <= slices; lng++)
{
double diff = lng2 - lng1;
if (diff < 0)
diff += 360;
degrees = lng1 + lng * diff / slices;
angle = Math.PI * degrees / 180;
double x = radius * scale * Math.Sin(angle);
double z = radius * scale * Math.Cos(angle);
Vector3D vect = new Vector3D(x, y, z);
vertices.Add(ctr + vect);
normals.Add(vect);
textures.Add(new Point((double)lng / slices,
(double)lat / stacks));
}
}
for (int lat = 0; lat < stacks; lat++)
{
int start = lat * (slices + 1);
int next = start + slices + 1;
for (int lng = 0; lng < slices; lng++)
{
indices.Add(start + lng);
indices.Add(next + lng);
indices.Add(next + lng + 1);
indices.Add(start + lng);
indices.Add(next + lng + 1);
indices.Add(start + lng + 1);
}
}
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Front.
for (int iy = 0; iy <= Stacks; iy++)
{
double y = Origin.Y + Height - iy * Height / Stacks;
for (int ix = 0; ix <= Slices; ix++)
{
double x = Origin.X + ix * Width / Slices;
vertices.Add(new Point3D(x, y, Origin.Z + Depth));
}
}
// Back
for (int iy = 0; iy <= Stacks; iy++)
{
double y = Origin.Y + Height - iy * Height / Stacks;
for (int ix = 0; ix <= Slices; ix++)
{
double x = Origin.X + Width - ix * Width / Slices;
vertices.Add(new Point3D(x, y, Origin.Z));
}
}
// Left
for (int iy = 0; iy <= Stacks; iy++)
{
double y = Origin.Y + Height - iy * Height / Stacks;
for (int iz = 0; iz <= Slivers; iz++)
{
double z = Origin.Z + iz * Depth / Slivers;
vertices.Add(new Point3D(Origin.X, y, z));
}
}
// Right
for (int iy = 0; iy <= Stacks; iy++)
{
double y = Origin.Y + Height - iy * Height / Stacks;
for (int iz = 0; iz <= Slivers; iz++)
{
double z = Origin.Z + Depth - iz * Depth / Slivers;
vertices.Add(new Point3D(Origin.X + Width, y, z));
}
}
// Top
for (int iz = 0; iz <= Slivers; iz++)
{
double z = Origin.Z + iz * Depth / Slivers;
for (int ix = 0; ix <= Slices; ix++)
{
double x = Origin.X + ix * Width / Slices;
vertices.Add(new Point3D(x, Origin.Y + Height, z));
}
}
// Top
for (int iz = 0; iz <= Slivers; iz++)
{
double z = Origin.Z + Depth - iz * Depth / Slivers;
for (int ix = 0; ix <= Slices; ix++)
{
double x = Origin.X + ix * Width / Slices;
vertices.Add(new Point3D(x, Origin.Y, z));
}
}
for (int side = 0; side < 6; side++)
{
for (int iy = 0; iy <= Stacks; iy++)
{
double y = (double)iy / Stacks;
for (int ix = 0; ix <= Slices; ix++)
{
double x = (double)ix / Slices;
textures.Add(new Point(x, y));
}
}
}
// Front, back, left, right
for (int side = 0; side < 6; side++)
{
for (int iy = 0; iy < Stacks; iy++)
for (int ix = 0; ix < Slices; ix++)
{
indices.Add(side * (Slices + 1) * (Stacks + 1) + iy * (Slices + 1) + ix);
indices.Add(side * (Slices + 1) * (Stacks + 1) + (iy + 1) * (Slices + 1) + ix);
indices.Add(side * (Slices + 1) * (Stacks + 1) + iy * (Slices + 1) + ix + 1);
indices.Add(side * (Slices + 1) * (Stacks + 1) + iy * (Slices + 1) + ix + 1);
indices.Add(side * (Slices + 1) * (Stacks + 1) + (iy + 1) * (Slices + 1) + ix);
indices.Add(side * (Slices + 1) * (Stacks + 1) + (iy + 1) * (Slices + 1) + ix + 1);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
// Clear all four collections.
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Begin at the top end. Fill the collections.
for (int stack = 0; stack <= EndStacks; stack++)
{
double y = Length;
double radius = stack * Radius / EndStacks;
int top = (stack + 0) * (Slices + 1);
int bot = (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -radius * Math.Sin(theta);
double z = -radius * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(0, 1, 0));
textures.Add(new Point((double)slice / Slices,
Fold * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
if (stack != 0)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
}
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
int offset = vertices.Count;
// Length of the cylinder: Fill in the collections.
for (int stack = 0; stack <= Stacks; stack++)
{
double y = Length - stack * Length / Stacks;
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -Radius * Math.Sin(theta);
double z = -Radius * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(x, 0, z));
textures.Add(new Point((double)slice / Slices,
Fold + (1 - 2 * Fold) * stack / Stacks));
if (stack < Stacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
offset = vertices.Count;
// Finish with the bottom end. Fill the collections.
for (int stack = 0; stack <= EndStacks; stack++)
{
double y = 0;
double radius = (EndStacks - stack) * Radius / EndStacks;
int top = offset + (stack + 0) * (Slices + 1);
int bot = offset + (stack + 1) * (Slices + 1);
for (int slice = 0; slice <= Slices; slice++)
{
double theta = slice * 2 * Math.PI / Slices;
double x = -radius * Math.Sin(theta);
double z = -radius * Math.Cos(theta);
vertices.Add(new Point3D(x, y, z));
normals.Add(new Vector3D(0, -1, 0));
textures.Add(new Point((double)slice / Slices,
(1 - Fold) + Fold * stack / EndStacks));
if (stack < EndStacks && slice < Slices)
{
indices.Add(top + slice);
indices.Add(bot + slice);
indices.Add(top + slice + 1);
if (stack != EndStacks - 1)
{
indices.Add(top + slice + 1);
indices.Add(bot + slice);
indices.Add(bot + slice + 1);
}
}
}
}
}
// Define a plane consisting of two triangles.
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
if (TextGeometry == null)
return;
Rect rect = TextGeometry.Bounds;
double top = 2 * Origin.Y - rect.Top;
double bot = 2 * Origin.Y - rect.Bottom;
// Define triangle vertices.
vertices.Add(new Point3D(rect.Left, top, Z));
vertices.Add(new Point3D(rect.Right, top, Z));
vertices.Add(new Point3D(rect.Left, bot, Z));
vertices.Add(new Point3D(rect.Right, bot, Z));
// Define texture coordinates.
textures.Add(new Point(0, 0));
textures.Add(new Point(1, 0));
textures.Add(new Point(0, 1));
textures.Add(new Point(1, 1));
// Define triangle indices.
indices.Add(0);
indices.Add(2);
indices.Add(1);
indices.Add(1);
indices.Add(2);
indices.Add(3);
}
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
// Variables for vertices collection.
Vector3D UL = (Vector3D)UpperLeft;
Vector3D UR = (Vector3D)UpperRight;
Vector3D LL = (Vector3D)LowerLeft;
Vector3D LR = (Vector3D)LowerRight;
int product = Slices * Stacks;
// Variables for textures collection
Point ptOrigin = new Point(0, 0);
Vector vectSlice = (new Point(1, 0) - ptOrigin) / Slices;
Vector vectStack = (new Point(0, 1) - ptOrigin) / Stacks;
for (int stack = 0; stack <= Stacks; stack++)
{
for (int slice = 0; slice <= Slices; slice++)
{
vertices.Add((Point3D)(((Stacks - stack) * (Slices - slice) * UL +
stack * (Slices - slice) * LL +
(Stacks - stack) * slice * UR +
stack * slice * LR) / product));
textures.Add(ptOrigin + stack * vectStack + slice * vectSlice);
if (slice < Slices && stack < Stacks)
{
indices.Add((Slices + 1) * stack + slice);
indices.Add((Slices + 1) * (stack + 1) + slice);
indices.Add((Slices + 1) * stack + slice + 1);
indices.Add((Slices + 1) * stack + slice + 1);
indices.Add((Slices + 1) * (stack + 1) + slice);
indices.Add((Slices + 1) * (stack + 1) + slice + 1);
}
}
}
}
/// <summary>
/// Create a StreamGeometry given a shapefile record.
/// </summary>
/// <param name="record">Shapefile record.</param>
/// <returns>A StreamGeometry instance.</returns>
private Geometry CreateStreamGeometry(ShapeFileRecord record)
{
// Create a new stream geometry.
StreamGeometry geometry = new StreamGeometry();
PointCollection points = new PointCollection();
// Obtain the stream geometry context for drawing each part.
//using (StreamGeometryContext ctx = geometry.Open())
{
// Draw figures.
for (int i = 0; i < record.NumberOfParts; i++)
{
// Determine the starting index and the end index
// into the points array that defines the figure.
int start = record.Parts[i];
int end;
if (record.NumberOfParts > 1 && i != (record.NumberOfParts - 1))
end = record.Parts[i + 1];
else
end = record.NumberOfPoints;
// Draw the figure.
for (int j = start; j < end; j++)
{
System.Windows.Point pt = record.Points[j];
points.Add(pt);
// Transform from lon/lat to canvas coordinates.
//pt = this.shapeTransform.Transform(pt);
// Decide if the line segments are stroked or not. For the
// PolyLine type it must be stroked.
bool isStroked = (record.ShapeType == (int)ShapeType.PolyLine) || !(this.geometryType == GeometryType.UseStreamGeometryNotStroked);
// Register the drawing instruction.
if (j == start)
{
}
//ctx.BeginFigure(pt, true, false);
//ctx.LineTo(pt, isStroked, true);
}
if (GeometryAdd != null)
{
GeometryAdd(points);
points.Clear();
}
}
}
//Geos.Add(geometry);
// Return the created stream geometry.
return geometry;
}
/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <param name="vertices"></param>
/// <param name="normals"></param>
/// <param name="indices"></param>
/// <param name="textures"></param>
protected override void Triangulate(DependencyPropertyChangedEventArgs args,
Point3DCollection vertices,
Vector3DCollection normals,
Int32Collection indices,
PointCollection textures)
{
vertices.Clear();
normals.Clear();
indices.Clear();
textures.Clear();
Vector3D normal = new Vector3D(0, 0, 1);
double angleInner = 2 * Math.PI / Sides;
double radius = Length / 2 / Math.Sin(angleInner / 2);
double angle = 3 * Math.PI / 2 + angleInner / 2;
double xMin = 0, xMax = 0, yMin = 0, yMax = 0;
for (int side = 0; side < Sides; side++)
{
double x = Math.Cos(angle);
double y = Math.Sin(angle);
xMin = Math.Min(xMin, x);
xMax = Math.Max(xMax, x);
yMin = Math.Min(yMin, y);
yMax = Math.Max(yMax, y);
angle += angleInner;
}
angle = 3 * Math.PI / 2 + angleInner / 2;
for (int side = 0; side < Sides; side++)
{
vertices.Add(new Point3D(0, 0, 0));
textures.Add(new Point(-xMin / (xMax - xMin), yMax / (yMax - yMin)));
normals.Add(normal);
double x = Math.Cos(angle);
double y = Math.Sin(angle);
vertices.Add(new Point3D(x, y, 0));
textures.Add(new Point((x - xMin) / (xMax - xMin),
(yMax - y) / (yMax - yMin)));
normals.Add(normal);
angle += angleInner;
x = Math.Cos(angle);
y = Math.Sin(angle);
vertices.Add(new Point3D(x, y, 0));
textures.Add(new Point((x - xMin) / (xMax - xMin),
(yMax - y) / (yMax - yMin)));
normals.Add(normal);
int index = vertices.Count - 3;
indices.Add(index);
indices.Add(index + 1);
indices.Add(index + 2);
if (Slices > 1)
TriangleSubdivide(vertices, normals, indices, textures);
}
}
private void Line_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (trackingPointMouseMove)
{
FrameworkElement element = e.OriginalSource as FrameworkElement;
SetImageSourcce(element, false);
if (element != null)
{
this.Fill(Colors.Green, 1);
element.Cursor = Cursors.Arrow;
element.ReleaseMouseCapture();
}
if (pointHadActualMove == true)
{
plShadow.Points = GetPloyline(plShadow.Points, mousePosition, e.GetPosition(this._cnsParent));
PointCollection points = new PointCollection();
for (int i = 0; i < plShadow.Points.Count; i++)
{
points.Add(new Point(plShadow.Points[i].X + this._ShadowX + this._startLocation.X + this._container.SimpleShapeLeft,
plShadow.Points[i].Y + this._ShadowY + this._startLocation.Y));
}
if (this.BeginElement != null || this.EndElement != null)
{
Point pBegin, pEnd;
PointCollection points2 = new PointCollection();
if (this.BeginElement != null)
{
this.BeginElementHotspot = ((IControlBase)this.BeginElement).GetNearHotspot(points[0]);
pBegin = ((IControlBase)this.BeginElement).GetHotspot(this.BeginElementHotspot);
((IControlBase)this.BeginElement).SetUnFocus();
this.BeginElement = null;
}
else pBegin = points[0];
if (this.EndElement != null)
{
this.EndElementHotspot = ((IControlBase)this.EndElement).GetNearHotspot(points[1]);
pEnd = ((IControlBase)this.EndElement).GetHotspot(this.EndElementHotspot);
((IControlBase)this.EndElement).SetUnFocus();
this.EndElement = null;
}
else pEnd = points[1];
points2.Add(pBegin);
points2.Add(points[1]);
points2.Add(pEnd);
points.Clear();
for (int i = 0; i < points2.Count; i++) points.Add(points2[i]);
}
this._container.CreateElement(this.Type, points);
e.Handled = true;
pointHadActualMove = false;
}
if (mousePosition != originalPosition)
{
PointCollection points = this.GetMe();
this.ShowShadow(points);
}
trackingPointMouseMove = false;
}
plShadow.Visibility = Visibility.Collapsed;
}
public void gestureCompleted()
{
// Minimum number of frames of no motion to be segmented as a gesture
int motion_threshold = 3; //originally 5
// Minimum length of time after a gesture is completed before another gesture can be started.
int ignore_threshold = 10;
// If users are still reseting their hands, ignore all the movements and clear all buffers.
if (ignoreFrames <= ignore_threshold)
{
motion_free = 0;
readyforgesture = false;
colorBox.Background = new SolidColorBrush(Colors.Red);
gesture_started = false;
//Clear the buffers
foreach (List<int> sublist in history)
sublist.Clear();
foreach (List<int> sublist in inverse_history)
sublist.Clear();
pointHist.Clear();
}
if (gesture_started && ignoreFrames > ignore_threshold && motion_free > motion_threshold && selectedChannels >= 2)
{
// Use LINQ to remove all the frames at the end that correspond to the motion free periods.
pointHist = new PointCollection(pointHist.Reverse().Skip(motion_threshold).Reverse());
S = new StylusPointCollection(S.Reverse().Skip(motion_threshold).Reverse());
for (int i = 0; i < history.Count; i++)
{
history[i] = new List<int>(history[i].Reverse<int>().Skip(motion_threshold).Reverse<int>());
inverse_history[i] = new List<int>(inverse_history[i].Reverse<int>().Skip(motion_threshold).Reverse<int>());
}
//If we are in detect mode, pass it to WEKA for classification.
if (detectMode.IsChecked.Value && pointHist.Count > 9)
{
//Call function to find features and test with weka machine
if (selectedChannels == 2)
{
float[] speakers = { (float)KF[0].speakerTheta, (float)KF[1].speakerTheta };
//temp stores the string identifier of the gesture
string temp = WekaHelper.Classify(false, pointHist.Count() * waveIn.BufferMilliseconds,
true, new List<float>(speakers), pointHist, S, history, inverse_history);
//switch statement to rename up/down gestures to forward/back when displaying in the application
switch (temp)
{
case "swipe_up":
temp = "swipe_forward";
break;
case "swipe_down":
temp = "swipe_back";
break;
case "tap_up":
temp = "tap_forward";
break;
case "tap_down":
temp = "tap_back";
break;
}
gestureDetected.Text = temp;
//TODO Put interaction with other applications in this switch statement
// Allows for changing between workspaces in windows 10.
if (shellIntegration.IsChecked.Value)
{
switch (temp)
{
case "swipe_forward":
sim.Keyboard.KeyDown(VirtualKeyCode.LWIN);
sim.Keyboard.KeyPress(VirtualKeyCode.TAB);
sim.Keyboard.KeyUp(VirtualKeyCode.LWIN);
break;
case "swipe_back":
break;
case "swipe_left":
if (!chrome)
{
sim.Keyboard.KeyDown(VirtualKeyCode.LWIN);
sim.Keyboard.KeyDown(VirtualKeyCode.LCONTROL);
sim.Keyboard.KeyPress(VirtualKeyCode.LEFT);
sim.Keyboard.KeyUp(VirtualKeyCode.LWIN);
sim.Keyboard.KeyUp(VirtualKeyCode.LCONTROL);
}
else
{
sim.Keyboard.KeyDown(VirtualKeyCode.LCONTROL);
sim.Keyboard.KeyDown(VirtualKeyCode.LSHIFT);
sim.Keyboard.KeyPress(VirtualKeyCode.TAB);
sim.Keyboard.KeyUp(VirtualKeyCode.LSHIFT);
sim.Keyboard.KeyUp(VirtualKeyCode.LCONTROL);
}
break;
case "swipe_right":
if (!chrome)
{
sim.Keyboard.KeyDown(VirtualKeyCode.LWIN);
sim.Keyboard.KeyDown(VirtualKeyCode.LCONTROL);
sim.Keyboard.KeyPress(VirtualKeyCode.RIGHT);
sim.Keyboard.KeyUp(VirtualKeyCode.LWIN);
sim.Keyboard.KeyUp(VirtualKeyCode.LCONTROL);
}
else
{
sim.Keyboard.KeyDown(VirtualKeyCode.LCONTROL);
sim.Keyboard.KeyPress(VirtualKeyCode.TAB);
sim.Keyboard.KeyUp(VirtualKeyCode.LCONTROL);
}
break;
case "tap_forward":
chrome = true;
break;
case "tap_back":
chrome = false;
break;
case "tap_left":
break;
case "tap_right":
break;
}
}
}
ignoreFrames = 0;
}
// Clear the buffers
foreach (List<int> sublist in history)
sublist.Clear();
foreach (List<int> sublist in inverse_history)
sublist.Clear();
pointHist.Clear();
// Prepare for next gesture (might need a button press)
readyforgesture = false;
colorBox.Background = new SolidColorBrush(Colors.Red);
gesture_started = false;
motion_free = 0;
}
}
