public boolean isSouth() { return getDeltaY() < 0; }
public boolean isNorth() { return getDeltaY() > 0; }
public boolean isSouth() { return getDeltaY() < 0; }
public boolean isNorth() { return getDeltaY() > 0; }
public boolean isSouth() { return getDeltaY() < 0; }
public boolean isNorth() { return getDeltaY() > 0; }
public boolean isNorth() { return getDeltaY() > 0; }
public boolean isSouth() { return getDeltaY() < 0; }