private void setSliderValue(double val)
{
this.toRender = this.modelClone.Clone();
var faceToExtrude = this.toRender.Faces.First();
this.toRender.RemoveFace(faceToExtrude);
Vec3 normal = faceToExtrude.GetNormal();
List<Vec3> newPositions = new List<Vec3>();
List<int> newIndices = new List<int>();
foreach (var v in faceToExtrude.GetVertexPositions()) {
var newVertex = v + normal * val;
newPositions.Add(newVertex);
var idx = this.toRender.AddVertex(newVertex);
newIndices.Add(idx);
}
this.toRender.AddFace(newIndices.ToArray());
var indices = faceToExtrude.GetVertexIndices();
int ct = newIndices.Count;
for (int i = 0; i < ct; i++) {
var a1 = newIndices[i];
var a2 = newIndices[(i + 1) % ct];
var b1 = indices[i];
var b2 = indices[(i + 1) % ct];
this.toRender.AddFace(a1, a2, b1, b2);
}
}
public ExtrudeState(Model m, FullScene scene)
{
this.modelClone = m.Clone();
var s = new Slider() {
Minimum = -100,
Maximum = 100,
Value = 0,
Orientation = Orientation.Vertical
};
s.ValueChanged += s_ValueChanged;
this.Widgets.Add(s);
}
public Face(List<int> vertices, Model m)
{
this.vertices = vertices;
this.model = m;
Dictionary<Vec3, int> mapping = new Dictionary<Vec3, int>();
for (int i = 0; i < vertices.Count; i++) {
int idx = vertices[i];
mapping[this.getVertexPosition(idx)] = idx;
}
var ordered = LinearAlgebra.OrderVertices(this.GetVertexPositions());
ordered.Reverse();
this.vertices = ordered.Select(i => mapping[i]).ToList();
}
private void setSliderValue(double val)
{
this.toRender = this.modelClone.Clone();
this.faceToElevate = this.toRender.Faces.First();
this.faceCenter = this.toRender.GetFaceCenter(this.faceToElevate);
this.toRender.RemoveFace(this.faceToElevate);
Vec3 newVertex = this.faceCenter.Extend(val);
var faceVertexIndices = this.faceToElevate.GetVertexIndices();
int ct = faceVertexIndices.Count;
for (int i = 0; i < ct; i++) {
int idx1 = faceVertexIndices[i];
int idx2 = faceVertexIndices[(i + 1) % ct];
int vIndex = this.toRender.AddVertex(newVertex);
this.toRender.AddFace(idx1, idx2, vIndex);
this.toRender.AddFace(vIndex, idx2, idx1);
}
//Get the center of the face
//Determine the new vertex position
//Add n new triangular faces
//remove the old face
}
public LightingState(Model model, FullScene scene)
{
this.model = model;
this.scene = scene;
this.addWidgets();
}
public static Model ConstructFromVerticesAndIndices(List<Vec3> vertices, params List<int>[] indices)
{
Model toReturn = new Model();
toReturn.vertices = vertices;
foreach (var faceSet in indices) {
var newFace = new Face(faceSet, toReturn);
toReturn.faces.Add(newFace);
for (int i = 0; i < faceSet.Count; i++) {
var idx1 = i;
var idx2 = (i + 1) % faceSet.Count;
var e = new Edge(idx1, idx2);
toReturn.edges.Add(e);
toReturn.addEdgeVert(e, i);
toReturn.addFaceVert(newFace, i);
}
}
return toReturn;
}
public Model Clone()
{
Model toReturn = new Model();
toReturn.vertices = this.vertices.Select(i => i.Clone()).ToList();
toReturn.vertexToEdge = this.vertexToEdge.ToDictionary(i => i.Key, i => i.Value.Select(j => j.Clone()).ToList());
toReturn.vertexToFace = this.vertexToFace.ToDictionary(i => i.Key, i => i.Value.Select(j => j.Clone()).ToList());
toReturn.edges = new ListHash<Edge>(this.edges.ToList());
toReturn.faces = this.faces.Select(i => i.Clone()).ToList();
return toReturn;
}
public static Model ConstructFromFaces(List<Face> faces)
{
Model toReturn = new Model();
toReturn.faces = faces;
foreach (var f in faces) {
var edges = f.GetEdges();
edges.ForEach(e => toReturn.AddEdge(e));
}
return toReturn;
}
public void Add(Model model)
{
this.mesh = new MeshGeometry3D();
this.mesh.Positions = new Point3DCollection(model.Vertices.Select(i => new Point3D(i.X, i.Y, i.Z)));
this.mesh.TriangleIndices = new Int32Collection(model.FaceTriangleIndices);
this.geometry = new GeometryModel3D();
this.geometry.Geometry = this.mesh;
this.modelGroup.Children.Add(this.geometry);
var m1 = new DiffuseMaterial(Brushes.Red);
MaterialGroup material = new MaterialGroup();
material.Children.Add(m1);
geometry.Material = material;
geometry.BackMaterial = material;
}
public void DrawModel(Model model)
{
this.modelGroup.Children.Remove(this.geometry);
this.Add(model);
this.setRotation();
}
public ViewerState(Model model)
{
this.model = model;
}
public FaceSelectionState(Model model)
{
this.model = model;
}