public void resetNeighbours() {
Pixel n;
for (int i = 0; i < neighbours.size(); i++) {
n = (Pixel) neighbours.get(i);
n.setHeight((byte) 0);
}
}
public Pixel getTopRightNeighbour() {
Pixel neighbour = (Pixel) neighbours.get(2);
boolean found = false;
if (neighbour.getX() != (x + 1) || neighbour.getY() != (y - 1)) {
for (int i = 0; i < neighbours.size() && i != 2; i++) {
neighbour = (Pixel) neighbours.get(i);
if (neighbour.getX() == (x + 1) && neighbour.getY() == (y - 1)) {
found = true;
break;
}
}
if (!found) return null;
}
return neighbour;
}
public Pixel getLeftNeighbour() {
Pixel neighbour;
boolean found = false;
if (neighbours.size() > 3) neighbour = (Pixel) neighbours.get(3);
else neighbour = (Pixel) neighbours.lastElement();
if (neighbour.getX() != (x - 1) || neighbour.getY() != y) {
for (int i = 0; i < neighbours.size() && i != 3; i++) {
neighbour = (Pixel) neighbours.get(i);
if (neighbour.getX() == (x - 1) && neighbour.getY() == y) {
found = true;
break;
}
}
if (!found) return null;
}
return neighbour;
}
public Pixel getBottomRightNeighbour() {
Pixel neighbour;
boolean found = false;
if (neighbours.size() > 7) neighbour = (Pixel) neighbours.get(7);
else neighbour = (Pixel) neighbours.lastElement();
if (neighbour.getX() != (x + 1) || neighbour.getY() != (y + 1)) {
for (int i = 0; i < neighbours.size() && i != 7; i++) {
neighbour = (Pixel) neighbours.get(i);
if (neighbour.getX() == (x + 1) && neighbour.getY() == (y + 1)) {
found = true;
break;
}
}
if (!found) return null;
}
return neighbour;
}