public static void Split2d(Convex convex, Point3D point0, int edge0, Point3D point1, int edge1, ref Convex newcvxa, ref Convex newcvxb)
{
newcvxa = new Convex();
newcvxb = new Convex();
Face facea = new Face(newcvxa);
Face faceb = new Face(newcvxb);
newcvxa.Faces.Add(facea);
newcvxb.Faces.Add(faceb);
int edgecount = convex.Edges.Count;
List <int> usedindicesa = new List <int>();
List <int> usedindicesb = new List <int>();
newcvxa.Vertices.Add(new Vertex(newcvxa, point0));
for (int i = edge0; i != edge1; i = (i + 1) % edgecount)
{
usedindicesa.Add(convex.Edges[i].VertIndices[1]);
newcvxa.Vertices.Add(new Vertex(newcvxa, convex.GetEdgeVert(i, 1)));
}
newcvxa.Vertices.Add(new Vertex(newcvxa, point1));
newcvxb.Vertices.Add(new Vertex(newcvxb, point1));
for (int i = edge1; i != edge0; i = (i + 1) % edgecount)
{
usedindicesb.Add(convex.Edges[i].VertIndices[1]);
newcvxb.Vertices.Add(new Vertex(newcvxb, convex.GetEdgeVert(i, 1)));
}
newcvxb.Vertices.Add(new Vertex(newcvxb, point0));
facea.VertIndices = new int[newcvxa.Vertices.Count];
faceb.VertIndices = new int[newcvxb.Vertices.Count];
for (int i = 0; i < facea.VertIndices.Length; i++)
{
facea.VertIndices[i] = i;
}
for (int i = 0; i < faceb.VertIndices.Length; i++)
{
faceb.VertIndices[i] = i;
}
newcvxa.BuildFromVertsAndFaces();
newcvxb.BuildFromVertsAndFaces();
}
public override void Create()
{
Convex cvx = new Convex();
cvx.Is3d = false;
cvx.Vertices.Add(new Vertex(cvx, -Size.X * 0.5, -Size.Y * 0.5));
cvx.Vertices.Add(new Vertex(cvx, -Size.X * 0.5, Size.Y * 0.5));
cvx.Vertices.Add(new Vertex(cvx, Size.X * 0.5, Size.Y * 0.5));
cvx.Vertices.Add(new Vertex(cvx, Size.X * 0.5, -Size.Y * 0.5));
cvx.Faces.Add(new Face(cvx, 0, 1, 2, 3));
cvx.BuildFromVertsAndFaces();
Convexes.Add(cvx);
}
public static void Split2d(Convex convex, Point3D point0, int edge0, Point3D point1, int edge1, ref Convex newcvxa, ref Convex newcvxb)
{
newcvxa = new Convex();
newcvxb = new Convex();
Face facea = new Face(newcvxa);
Face faceb = new Face(newcvxb);
newcvxa.Faces.Add(facea);
newcvxb.Faces.Add(faceb);
int edgecount = convex.Edges.Count;
List<int> usedindicesa = new List<int>();
List<int> usedindicesb = new List<int>();
newcvxa.Vertices.Add(new Vertex(newcvxa,point0));
for (int i = edge0; i != edge1; i = (i + 1) % edgecount)
{
usedindicesa.Add(convex.Edges[i].VertIndices[1]);
newcvxa.Vertices.Add(new Vertex(newcvxa,convex.GetEdgeVert(i, 1)));
}
newcvxa.Vertices.Add(new Vertex(newcvxa,point1));
newcvxb.Vertices.Add(new Vertex(newcvxb,point1));
for (int i = edge1; i != edge0; i = (i + 1) % edgecount)
{
usedindicesb.Add(convex.Edges[i].VertIndices[1]);
newcvxb.Vertices.Add(new Vertex(newcvxb,convex.GetEdgeVert(i, 1)));
}
newcvxb.Vertices.Add(new Vertex(newcvxb,point0));
facea.VertIndices = new int[newcvxa.Vertices.Count];
faceb.VertIndices = new int[newcvxb.Vertices.Count];
for (int i = 0; i < facea.VertIndices.Length; i++)
facea.VertIndices[i] = i;
for (int i = 0; i < faceb.VertIndices.Length; i++)
faceb.VertIndices[i] = i;
newcvxa.BuildFromVertsAndFaces();
newcvxb.BuildFromVertsAndFaces();
}