package org.catacomb.numeric.mesh;
   
   
   public class DifMeshPoint implements MeshPoint {
   
       double xpos;
       double ypos;
       double zpos;
       double radius;
  
      int idIndex;
      // this is the index in the original structure for identification
      // purposes - remains the same after remeshing
  
      int nnbr;
      DifMeshPoint[] nbrs;
  
      int iwork;
  
      //   DifMeshPoint[] sna;
  
  
      public DifMeshPoint() {
          nbrs = new DifMeshPoint[4];
          idIndex = -1;
      }
  
  
      public DifMeshPoint(double x, double y, double z, double r, int idx) {
          this();
          xpos = x;
          ypos = y;
          zpos = z;
          radius = r;
  
          idIndex = idx;
      }
  
  
  
      public int getNeighborCount() {
          return nnbr;
      }
  
  
      public MeshPoint[] getNeighbors() {
          return nbrs;
      }
  
      /*
        followuing buffers in an array of just the right length;
         if (sna == null || sna.length != nnbr) {
       sna = new MeshPoint[nnbr];
       for (int i = 0; i < nnbr; i++) {
          sna[i] = nbrs[i];
       }
         }
      }
      */
  
  
      public void addNeighbor(MeshPoint nnn) {
          // POSERR can give an array bounds errror!!!!!!!!
          nbrs[nnbr] = (DifMeshPoint)nnn;
          nnbr += 1;
      }
  
      public void replaceNeighbor(MeshPoint oldNode, MeshPoint newNode) {
          for (int i = 0; i < nnbr; i++) {
              if (nbrs[i] == oldNode) {
                  nbrs[i] = (DifMeshPoint)newNode;
              }
          }
      }
  
  
  
      public void disconnect() {
          // kill links once node is dead;
          nnbr = 0;
      }
  
  
      public void setWork(int i) {
          iwork = i;
      }
  
      public int getWork() {
          return iwork;
      }
  
  
      public double getX() {
          return xpos;
      }
  
      public double getY() {
          return ypos;
      }
 
     public double getZ() {
         return zpos;
     }
 
     public double getR() {
         return radius;
     }
 
     public int getIDIndex() {
         return idIndex;
     }
 
     public void setX(double x) {
         xpos = x;
     }
 
     public void setY(double y) {
         ypos = y;
     }
 
     public void setZ(double z) {
         zpos = z;
     }
 
     public void setR(double r) {
         radius = r;
     }
 
 
 
     // constuctors for the particular implementing class;
     public MeshPoint newPoint() {
         return new DifMeshPoint();
     }
 
     public MeshPoint[] newPointArray(int n) {
         return new DifMeshPoint[n];
     }
 
 }