// Calculate the distance between two nodes, using Cube Coordinates (the distance between a node and one of its neighbours is 1) - https://www.redblobgames.com/grids/hexagons/#distances
public static int Distance(Node sourceNode, Node targetNode)
{
// Get the nodes' coordinates
Node.CubeCoordinates sourceCoordinates = sourceNode.cubeCoordinates;
Node.CubeCoordinates targetCoordinates = targetNode.cubeCoordinates;
// Calculate the distance
return(Mathf.RoundToInt((Mathf.Abs(sourceCoordinates.x - targetCoordinates.x) + Mathf.Abs(sourceCoordinates.y - targetCoordinates.y) + Mathf.Abs(sourceCoordinates.z - targetCoordinates.z)) / 2));
}
public static float nodesLineDifference = 1.8f; // Distance needed to increase the Line coordinate of a tile by 1 (will be checked against the Z axis)
#endregion
#region Nodes Initialization
// Function calculating the coordinates of every node. Should be called after loading the map.
public void RefreshNodes()
{
nodesList.Clear();
nodesCubeCoordinates.Clear();
// Create the variables
GameObject initialNode = null;
int i = 1;
// Go through each Node
foreach (Node node in FindObjectsOfType <Node>())
{
// If no initial Node has been determined, use this one
if (!initialNode)
{
// Set the node as initial
initialNode = node.gameObject;
// Set the coordinates at 0
node.coordinates.column = 0;
node.coordinates.row = 0;
}
// Calculate the node's coordinates
Node.CubeCoordinates cubeCoordinates = node.CalculateNodeCoordinates(initialNode);
// Rename the node
node.gameObject.name = "Node " + i;
i++;
// Register the node
nodesList.Add(node);
nodesCubeCoordinates[cubeCoordinates] = node;
}
// Build the neighbour's graph
BuildNeighboursGraph();
}