void InstantiatePart()
{
if (!partToPlace) //If we don't have a part to place
{
if (partToPlacePrefab) //but we have a prefab for it
{
//instantiate the part on a position way out of sight from the camera
partToPlace = Instantiate(partToPlacePrefab, -Vector3.up * 2000, Quaternion.identity, myCar.transform) as GameObject;
}
//if we don't have a prefab, then the player is either sleeping or haven't decided what to place
}
else
{
//If we have a part to place
//Make a raycast from the camera to mouse position
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, Mathf.Infinity))
{
//Check what we hit
CheckHit(hit);
}
//Update the part's position
partToPlace.transform.position = placePos;
//And if we click
if (Input.GetMouseButtonUp(0) && socketToPlace != null)
{
//...store the Siege part base of the "part to place"
SiegePart_base placeBase = partToPlace.GetComponent <SiegePart_base>();
//add it to the list
PlayerParts.Add(partToPlace.transform);
//enable it's collider
partToPlace.GetComponentInChildren <Collider>().enabled = true;
//assign a target to the joint
placeBase.AssignTargetToJoint(socketToPlace.parent);
//disable the socket
placeBase.DisableSocket(socketToPlace);
//update the position once more
partToPlace.transform.position = placePos;
partToPlace = null;
}
}
}
void CheckHit(RaycastHit hit)
{
//If we hit a gameobject that has the SiegePart_base script then we hit a part of our siege engine
if (hit.transform.GetComponent <SiegePart_base>())
{
//Store it
SiegePart_base partBase = hit.transform.GetComponent <SiegePart_base>();
//Find the closest socket to our hit.point
socketToPlace = partBase.ReturnClosestDirection(hit.point);
//if we have a socket, then update the place pos
if (socketToPlace) //The socket might return null if the part doesn't have any sockets, this avoids errors from that
{
placePos = socketToPlace.position;
//We want to look at the center of the other parts mesh
//Since the transform.position gives the pivot of a gameobject,
//it might not always be the correct position we want our part to look
//thus we simply find the center of that other parts mesh
Vector3 dir = partBase.rendererToFindEdges.bounds.center - socketToPlace.position;
dir.Normalize();
if (dir == Vector3.zero)
{
dir = -socketToPlace.forward;
}
Quaternion rot = Quaternion.LookRotation(dir);
partToPlace.transform.rotation = rot;
//partToPlace.transform.LookAt(partBase.rendererToFindEdges.bounds.center);
}
}
else
{
//If we din't hit an object, hide the part then
placePos = new Vector3(0, -2000, 0);
}
}
