void Update()
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit[] hits = Physics.SphereCastAll(ray, SphereCastRadius);
Vector3 worldHitPosition = Vector3.zero;
selectedObject = null;
bool hitSuccess = false;
validPlacement = false;
if (hits.Length > 0 && GUIUtility.hotControl == 0)
{
foreach (RaycastHit hit in hits)
{
if (hit.transform.gameObject.tag == "GameWorld")
{
RaycastHit preciseGroundCollision;
if (hit.collider.Raycast(ray, out preciseGroundCollision, Mathf.Infinity))
{
Vector3 precisePosition = preciseGroundCollision.point;
mouseCube.transform.position = precisePosition;
worldHitPosition = precisePosition;
hitSuccess = true;
}
}
else if (hit.collider.gameObject.tag == "RoadNode")
{
Vector3 hitPosition = hit.collider.gameObject.transform.position;
mouseCube.transform.position = hitPosition;
worldHitPosition = hitPosition;
hitSuccess = true;
selectedObject = hit.collider.gameObject;
break;
}
}
if (!startNewObject)
{
Color connectionColor = selectedObject != null && !RoadNetwork.IsValidConnection(previousPoint, selectedObject) ? Color.red : Color.gray;
Debug.DrawLine(previousPoint.transform.position, worldHitPosition, connectionColor);
}
}
if (Input.GetMouseButtonDown(0) && hitSuccess)
{
if (selectedObject == null)
{
currentPoint = roadNetwork.CreateBufferedNode(worldHitPosition);
}
else
{
currentPoint = selectedObject;
}
if (!startNewObject)
{
if (currentPoint != previousPoint)
{
roadNetwork.ApplyBuffer();
currentPoint.GetComponent <RoadNode>().AddConnection(previousPoint);
Debug.Log("Duplicate node blocked");
startNewObject = true;
}
}
else
{
startNewObject = false;
}
previousPoint = currentPoint;
}
else if (Input.GetMouseButtonDown(1))
{
cancelInput();
}
}