/// <summary>
/// Sets snappedPos to the position of the nearest node. Returns false if there are no nodes close enough.
/// </summary>
/// <param name="position"></param>
/// <param name="snappedNode"></param>
/// <returns></returns>
private static RuneNode FindNearestValidNode(Vector2 position, out bool nodeNearby)
{
RuneNode snappedNode = null;
var closestNodeDist = Instance._maxPointerdistFromNode;
for (int n = 0; n < Instance._nodes.childCount; n++)
{
var node = Instance._nodes.GetChild(n);
var nodeDist = Vector3.Distance(position, node.position);
if (nodeDist < closestNodeDist)
{
// Update return node
snappedNode = node.GetComponent <RuneNode>();
closestNodeDist = nodeDist;
}
}
// If there wasn't a valid node
if (closestNodeDist >= Instance._maxPointerdistFromNode)
{
// Notify root method that there was no valid node
nodeNearby = false;
}
else
{
nodeNearby = true;
}
return(snappedNode);
}
/// <summary>
/// Passes energy through the link to a connected node. Returns the amount of energy sent if successful,
/// otherwise returns 0.
/// </summary>
/// <param name="amount"></param>
/// <returns></returns>
public float SendEnergy(float amount, RuneNode sender)
{
var reciever = GetOther(sender);
var sentEnergy = 0f;
// Exit early if reciever inactive
if (!reciever.Active)
{
return(sentEnergy);
}
Active = true;
// Try to transmit energy
if (sender == NodeA)
{
if (Flow >= 0)
{
reciever.IncreaseEnergy(amount);
Flow = 1;
sentEnergy = amount;
}
}
else
{
if (Flow <= 0)
{
reciever.IncreaseEnergy(amount);
Flow = -1;
sentEnergy = amount;
}
}
return(sentEnergy);
}
public void RotateTowards(RuneNode targetNode)
{
Debug.Log(targetNode.name + "is target");
var angle = Vector3.Angle(Vector3.up, Position - targetNode.Position);
transform.rotation = Quaternion.Euler(new Vector3(0, 0, targetNode.Position.x < Position.x ? -angle : angle));
}
public RuneNode GetOther(RuneNode thisNode)
{
if (thisNode == NodeA)
{
return(NodeB);
}
else if (thisNode == NodeB)
{
return(NodeA);
}
else
{
Debug.LogError("Node " + thisNode + " is not bound by link " + name);
return(null);
}
}
