// Link waypoint nodes
void LinkNodes()
{
Event current = Event.current;
WaypointNode cNode = null;
if (!current.alt)
{
Ray mRay = HandleUtility.GUIPointToWorldRay(current.mousePosition);
RaycastHit rHit;
if (Physics.Raycast(mRay, out rHit, Mathf.Infinity))
{
cNode = currentWaypoints.GetClosestNode(rHit.point, 1.0f);
}
// Clear if right mouse is pressed.
if (current.type == EventType.mouseDown && current.button == 1)
{
from = Vector3.zero;
to = Vector3.zero;
}
if (cNode != null)
{
Handles.DrawWireDisc(cNode.Position, Vector3.up, 0.5f);
if (current.type == EventType.mouseDown && current.button == 0 && from == Vector3.zero) // Mouse1
{
from = cNode.Position;
}
else if (current.type == EventType.mouseDown && current.button == 0 && to == Vector3.zero) // Mouse1 and we have a from
{
if (cNode.Position != from)
{
to = cNode.Position;
WaypointLink newLink = new WaypointLink(from, to);
WaypointNode tempN = currentWaypoints.GetClosestNode(from);
if (tempN != null)
{
if (tempN.AddLink(newLink))
{
tempN = currentWaypoints.GetClosestNode(to);
tempN.AddLink(newLink);
cNode = null;
from = to;
to = Vector3.zero;
}
}
else
{
cNode = null;
from = Vector3.zero;
to = Vector3.zero;
Debug.LogError("Could not find node from list.");
}
}
}
}
if (from != Vector3.zero)
{
Handles.DrawLine(from, rHit.point);
}
}
}