public Plane(int arenaSize, Direction direction, int x, int y, int z) {
this.arenaSize = arenaSize;
this.position = new Point3D(x, y, z);
alive = position.isInArena(arenaSize);
this.direction = direction;
}
public Plane(int arenaSize, Direction direction, Point3D position) {
Plane(arenaSize, direction, position.x, position.y, position.z);
}