//-----------------------------------------------------------------------------------
// when a decision about which direction to turn is necessary,
// the choice is made based on which tile adjoining the intersection
// will put the virus nearest to its target tile, measured in a straight line
//-----------------------------------------------------------------------------------
protected Direction directionToTarget(Vector3 target)
{
WaypointNode node = walker.getCurrentNode();
float bestDistance = float.MaxValue;
Direction bestDirection = Direction.None;
List <Direction> directions = allowedDirections();
foreach (Direction direction in directions)
{
Vector3 nextNodePosition = node.getAdjacent(direction).transform.position;
Vector3 directionVector = (nextNodePosition - node.transform.position).normalized;
Vector3 origin = node.transform.position + directionVector;
float distance = topo.calculateDistance(origin, target);
if (bestDistance > distance)
{
bestDistance = distance;
bestDirection = direction;
}
}
return(bestDirection);
}
public void Update()
{
if (gameManager.paused || !gameManager.inGame)
{
return;
}
updateInput();
updateDirection();
if (atNextNode() && currentNode.twin != null)
{
currentNode = currentNode.twin;
nextNode = currentNode.getAdjacent(currentDirection);
if (nextNode == null)
{
nextNode = currentNode;
currentDirection = Direction.None;
}
walkerBody.position = currentNode.transform.position;
}
updateMove();
update();
print(currentDirection);
}
