public static Mesh PlanktonToUnity(this PlanktonMesh plankton)
{
int vCount = plankton.Vertices.Count;
var vertices = new Vector3[vCount];
for (int i = 0; i < vCount; i++)
{
PlanktonVertex v = plankton.Vertices[i];
vertices[i] = new Vector3(v.X, v.Y, v.Z);
}
int fCount = plankton.Faces.Count;
var triangles = new int[fCount * 3];
int[] faceVertices = new int[3];
for (int i = 0; i < fCount; i++)
{
if (!plankton.Faces[i].IsUnused)
{
plankton.Faces.GetFaceVerticesNonAlloc(i, faceVertices);
triangles[i * 3] = faceVertices[0];
triangles[i * 3 + 1] = faceVertices[1];
triangles[i * 3 + 2] = faceVertices[2];
}
}
var mesh = new Mesh();
mesh.vertices = vertices;
mesh.uv = plankton.Vertices.Select(v => v.data.UV).ToArray();
mesh.normals = plankton.Vertices.Select(v => v.data.Normal).ToArray();
mesh.triangles = triangles;
mesh.RecalculateTangents();
return(mesh);
}
private void UpdateVertexPositionsAndVelicities()
{
for (int i = 0; i < ptMesh.Vertices.Count; i++)
{
if (totalWeights[i] == 0)
{
continue;
}
PlanktonVertex vertex = ptMesh.Vertices[i];
Vector3d move = totalWeightedMoves[i] / totalWeights[i];
ptMesh.Vertices.SetVertex(i, vertex.X + move.X, vertex.Y + move.Y, vertex.Z + move.Z);
}
}
//EDGE VECTOR
/* return the edge vector from a halfedge index pointing from halfedge start towards halfedge end */
public Vector3d edgeVector(PlanktonMesh pMesh, int halfedgeIndex)
{
PlanktonHalfedge pHalfedge = pMesh.Halfedges[halfedgeIndex];
//start vertex
PlanktonVertex pVStart = pMesh.Vertices[pHalfedge.StartVertex];
Point3d startVertex = new Point3d(pVStart.X, pVStart.Y, pVStart.Z);
//end vertex
PlanktonVertex pVEnd = pMesh.Vertices[pMesh.Halfedges[pHalfedge.NextHalfedge].StartVertex];
Point3d endVertex = new Point3d(pVEnd.X, pVEnd.Y, pVEnd.Z);
//edge vector
Vector3d vecEdge = new Vector3d(endVertex - startVertex);
return vecEdge;
}
public List <Point3d> facesPosTag(PlanktonMesh pMesh)
{
List <Point3d> facesPos = new List <Point3d>();
//PlanktonFace pF in pMesh.Faces
for (int i = 0; i < pMesh.Faces.Count; i++)
{
Vector3d vecFaceCenter = new Vector3d(0, 0, 0);
int[] faceVertices = pMesh.Faces.GetFaceVertices(i);
foreach (int fVertex in faceVertices)
{
PlanktonVertex pV = pMesh.Vertices[fVertex];
Vector3d vecVertex = new Vector3d(pV.X, pV.Y, pV.Z);
vecFaceCenter = Vector3d.Add(vecFaceCenter, vecVertex);
}
Vector3d vecPos = Vector3d.Divide(vecFaceCenter, faceVertices.Length);
facesPos.Add(new Point3d(vecPos.X, vecPos.Y, vecPos.Z));
}
return(facesPos);
}
/// <summary>
/// Creates a Rhino Point3f from a Plankton vertex.
/// </summary>
/// <param name="vertex">A Plankton vertex</param>
/// <returns>A Point3f with the same coordinates as the vertex.</returns>
public static Point3f ToPoint3f(this PlanktonVertex vertex)
{
return(new Point3f(vertex.X, vertex.Y, vertex.Z));
}
public static Vector3 ToUnity(this PlanktonVertex v)
{
return(new Vector3(v.X, v.Y, v.Z));
}
public static Point3d ToPoint3d(this PlanktonVertex pV)
{
return(new Point3d(pV.ToPoint3f()));
}