void Update()
{
for (int id = 0; id < maxTouches; id++)
{
int idAsTouch = -1;
if (usingMouse && Input.GetMouseButton(0))
{
idAsTouch = 0;
}
else
{
for (int i = 0; i < Input.touchCount; i++)
{
if (Input.GetTouch(i).fingerId == id)
{
idAsTouch = i;
}
}
}
if (idAsTouch >= 0)
{
if (!mouseDownLastFrame[id])
{
RaycastHit hitInfo;
if (Physics.Raycast(Camera.main.ScreenPointToRay(GetPosition(idAsTouch)), out hitInfo, Mathf.Infinity, pathInputObjectLayer))
{
if (hitInfo.transform.parent == null)
{
Debug.LogError(hitInfo.transform.name + " is using the PathInputObject layer, but does not have a parent object with either a PathFollower or a DestinationObject component!");
return;
}
GameObject objectHit = hitInfo.transform.parent.gameObject;
timeSwipeStarted[id] = Time.time;
initialClickPos[id] = Camera.main.ScreenToViewportPoint(GetPosition(idAsTouch));
if (objectHit.GetComponent <PathFollower>())
{
objectOnPath[id] = objectHit;
PathFollower pf = objectOnPath[id].GetComponent <PathFollower>();
if (pf.destObject)
{
destObject[id] = pf.destObject;
}
else
{
destObject[id] = (GameObject)Instantiate(destObjectPrefab, objectOnPath[id].transform.position, objectOnPath[id].transform.rotation);
pf.destObject = destObject[id];
destObject[id].GetComponent <PathDestination>().objectOnPath = objectOnPath[id];
CharacterController destObjCC = destObject[id].GetComponent <CharacterController>();
CharacterController onPathCC = objectOnPath[id].GetComponent <CharacterController>();
destObjCC.radius = onPathCC.radius;
destObjCC.height = onPathCC.height;
destObjCC.center = onPathCC.center;
destObject[id].transform.Find("Marker").localScale *= destObjCC.radius / 0.5f;
}
lastPosOnPath[id] = objectOnPath[id].transform.position;
isTap[id] = true;
}
else if (objectHit.GetComponent <PathDestination>())
{
objectOnPath[id] = objectHit.GetComponent <PathDestination>().objectOnPath;
destObject[id] = objectHit;
lastPosOnPath[id] = destObject[id].transform.position;
isTap[id] = false;
}
else
{
Debug.LogError(objectHit.name + " has a PathInputObject child, but does not have either a PathFollower or a DestinationObject component!");
}
}
}
else
{
if (objectOnPath[id] && destObject[id])
{
RaycastHit hitInfo;
if (Physics.Raycast(Camera.main.ScreenPointToRay(GetPosition(idAsTouch)), out hitInfo, Mathf.Infinity, pathFloorLayer))
{
float dist = (Camera.main.ScreenToViewportPoint(GetPosition(idAsTouch)) - initialClickPos[id]).magnitude;
float duration = Time.time - timeSwipeStarted[id];
if (isTap[id] && (dist > maxTapDistance || duration > maxTapDuration))
{
objectOnPath[id].GetComponent <PathFollower>().ClearPath();
objectOnPath[id].GetComponent <PathFollower>().AddPathNode(objectOnPath[id].transform.position);
destObject[id].transform.position = objectOnPath[id].transform.position;
isTap[id] = false;
}
if (!isTap[id])
{
Vector3 oldPos = destObject[id].transform.position;
CharacterController cc = destObject[id].GetComponent <CharacterController>();
Vector3 moveVector = hitInfo.point - destObject[id].transform.position;
moveVector.y = Mathf.Min(moveVector.y, 0.0f);
cc.Move(moveVector);
if (destObject[id].transform.position.y > oldPos.y)
{
destObject[id].transform.position = oldPos;
}
if (Vector3.Distance(destObject[id].transform.position, lastPosOnPath[id]) > minPathSegmentLength)
{
if (!objectOnPath[id].GetComponent <PathFollower>().AddPathNode(destObject[id].transform.position))
{
objectOnPath[id] = null;
destObject[id] = null;
}
lastPosOnPath[id] = destObject[id].transform.position;
}
}
}
}
}
mouseDownLastFrame[id] = true;
}
else
{
if (objectOnPath[id])
{
if (isTap[id])
{
objectOnPath[id].SendMessage("PathFollowerTapped", SendMessageOptions.DontRequireReceiver);
}
}
objectOnPath[id] = null;
destObject[id] = null;
mouseDownLastFrame[id] = false;
}
}
}
void Start()
{
characterController = GetComponent <CharacterController>();
pathFollower = GetComponent <PathFollower>();
}