private static List<Node> FindNeighbourNodes (Node initialNode, Environment envr, bool ignoreMovement) {
List<Node> neighbours = new List<Node> ();
float initialX = initialNode.coords.x;
float initialY = initialNode.coords.y;
int posX = (int)initialX;
int posY = (int)initialY;
Node upNode = new Node ();
Node downNode = new Node ();
Node leftNode = new Node ();
Node rightNode = new Node ();
if (envr.CanMoveTo (posX, posY + 1, Vector3.up, false, ignoreMovement)) {
upNode.Initalise (new Vector2 (initialX, (initialY + 1)));
neighbours.Add (upNode);
}
if (envr.CanMoveTo (posX, posY - 1, Vector3.down, false, ignoreMovement)) {
downNode.Initalise (new Vector2(initialX, (initialY-1) ) );
neighbours.Add (downNode);
}
if (envr.CanMoveTo (posX-1, posY, Vector3.left, false, ignoreMovement)) {
leftNode.Initalise (new Vector2( (initialX-1), initialY ) );
neighbours.Add (leftNode);
}
if (envr.CanMoveTo (posX+1, posY, Vector3.right, false, ignoreMovement)) {
rightNode.Initalise (new Vector2( (initialX+1), initialY ) );
neighbours.Add (rightNode);
}
//neighbours = RemoveBadPoints (initialNode,neighbours);
return neighbours;
}