/** Utility method used by Linecast.
* Required since LevelGridNode does not inherit from GridNode.
* Lots of ugly casting but it was better than massive code duplication.
*
* Returns null if the node has no connection in that direction.
*/
protected virtual GridNodeBase GetNeighbourAlongDirection (GridNodeBase node, int direction) {
var gridNode = node as GridNode;
if (gridNode.GetConnectionInternal(direction)) {
return nodes[gridNode.NodeInGridIndex+neighbourOffsets[direction]];
}
return null;
}
/** Utility method used by Linecast.
* Required since LevelGridNode does not inherit from GridNode.
* Lots of ugly casting but it was better than massive code duplication.
*
* Returns null if the node has no connection in that direction
*/
protected override GridNodeBase GetNeighbourAlongDirection (GridNodeBase node, int direction) {
var levelGridNode = node as LevelGridNode;
if (levelGridNode.GetConnection(direction)) {
return nodes[levelGridNode.NodeInGridIndex+neighbourOffsets[direction] + width*depth*levelGridNode.GetConnectionValue(direction)];
}
return null;
}
