public void sendPacket(PacketClass packet)
{
Console.WriteLine("Sending packet...");
NodeButton nextNode = findNextNode(packet.destinationAddress);
if (nextNode != null)
{
nextNode.receivePacket(packet);
}
else
{
Console.WriteLine("Next Node not found!");
}
}
public NodeButton findNextNode(AddressClass destinationAddress)
{
int x1 = this.nodeAddress.x;
int y1 = this.nodeAddress.y;
int x2 = destinationAddress.x;
int y2 = destinationAddress.y;
NodeButton closestNode = null;
double distance = -1;
List <NodeButton> towardsDestination = returnNodesTowardsDestination(destinationAddress);
foreach (NodeButton node in towardsDestination)
{
AddressClass nodeAddress = node.nodeAddress;
double x0 = nodeAddress.x;
double y0 = nodeAddress.y;
double x2_x1 = x2 - x1;
double y1_y0 = y1 - y0;
double x1_x0 = x1 - x0;
double y2_y1 = y2 - y1;
double numerator = System.Math.Abs(x2_x1 * y1_y0 - x1_x0 * y2_y1);
double denominator = System.Math.Sqrt(x2_x1 * x2_x1 + y2_y1 * y2_y1);
double tempDistance = numerator / denominator;
if (distance == -1)
{
closestNode = node;
distance = tempDistance;
}
else if (tempDistance < distance)
{
closestNode = node;
distance = tempDistance;
}
}
Console.WriteLine("Least Distance: " + distance);
return(closestNode);
}