/**
* @param grid
* @return an array of vertex coordinates, one vertex per edge end, 3 coords per vertex
*/
public double[] getCoords(float[][] grid) {
double[] ret = new double[edges.size() * 3];
Iterator<Integer> it = edges.iterator();
switch (direction) {
case 0:
for (int i = 0; i < ret.length; i += 3) {
ret[i + 0] = grid[0][it.next().intValue()];
ret[i + 1] = grid[1][c1];
ret[i + 2] = grid[2][c2];
}
break;
case 1:
for (int i = 0; i < ret.length; i += 3) {
ret[i + 0] = grid[0][c1];
ret[i + 1] = grid[1][it.next().intValue()];
ret[i + 2] = grid[2][c2];
}
break;
case 2:
for (int i = 0; i < ret.length; i += 3) {
ret[i + 0] = grid[0][c1];
ret[i + 1] = grid[1][c2];
ret[i + 2] = grid[2][it.next().intValue()];
}
break;
}
return ret;
}
