public void setBuildKey(int x, int y, int z, int face) {
   key.reassign(x, y, z);
   buildFace = face;
   setKeys[2] = true;
 }
 public void setPos1(int x, int y, int z) {
   pos1.reassign(x, y, z);
   setKeys[0] = true;
 }
 public void setPos2(int x, int y, int z) {
   pos2.reassign(x, y, z);
   setKeys[1] = true;
 }