// Use this for initialization
void Start()
{
// procedurally generate a basic intersection structure to test traffic
if (shouldStartOnPlay)
{
float gridSz = 10f;
/**
*
* ^ z
* |
*
*
* 1 ------ 2 --------- 3
* | |
* | |
* | |
* | |
* 4-----------5----------6 -> x
*
*
*/
var inter1 = intersecManager.createIntersection(new Vector3(-1f, 0f, 1f) * gridSz);
var inter2 = intersecManager.createIntersection(new Vector3(0f, 0f, 1f) * gridSz);
var inter3 = intersecManager.createIntersection(new Vector3(1f, 0f, 1f) * gridSz);
var inter4 = intersecManager.createIntersection(new Vector3(0f, 0f, 0f) * gridSz);
var inter5 = intersecManager.createIntersection(new Vector3(1f, 0f, 0f) * gridSz);
var inter6 = intersecManager.createIntersection(new Vector3(2f, 0f, 0f) * gridSz);
Road rd1 = intersecManager.connectTwoIntersections(inter1, inter2, 4f);
Road rd2 = intersecManager.connectTwoIntersections(inter2, inter3, 4f);
Road rd3 = intersecManager.connectTwoIntersections(inter2, inter4, 4f);
Road rd4 = intersecManager.connectTwoIntersections(inter3, inter5, 4f);
Road rd5 = intersecManager.connectTwoIntersections(inter4, inter5, 4f);
Road rd6 = intersecManager.connectTwoIntersections(inter5, inter6, 4f);
}
}
void Update()
{
SetRoadWidth();
GameObject obj;
Vector3 position = MouseCollisionDetection.getMousePositionOnPlane(out obj);
if (Input.GetMouseButtonDown(0))
{
Debug.Log(obj.tag);
// record start position on mouse press
if (obj.tag == GlobalTags.Ground)
{
this.startIntersection = intersecManager.createIntersection(position);
}
else if (obj.tag == GlobalTags.Intersection)
{
this.startIntersection = intersecManager.intersectionForGameObject(obj);
}
else
{
Debug.LogWarningFormat("Unexpected ray hit on {0} with tag {1}", obj, obj.tag);
}
}
else if (Input.GetMouseButton(0))
{
// // create and destroy tempRoad on mouse drag and mouse release
if (obj.tag == GlobalTags.Ground)
{
if (!intersecManager.temporaryIntersectionExists())
{
// no temporary intersection exists
intersecManager.removeTemporaryRoadIfThereIsAny();
// create temporary if there is not any
Intersection temporary = intersecManager.createTemporaryIntersection(position);
// if the intersection is temporary, road could be non-temporary
if (this.intersecManager.canConnectTwoIntersections(temporary, this.startIntersection, roadWidth))
{
// conditional check to prevent road length to be zero( thus a physics error)
// would not be a problem if we switched to sphere
this.intersecManager.createTemporaryConnection(temporary, this.startIntersection, roadWidth);
}
else
{
// we could not create connection here, remove the temporary
this.intersecManager.removeTemporaryIntersectionIfThereIsAny();
}
}
else
{
// some temporary intersection exists
// otherwise move the current temporary intersection to the new mouse position
this.intersecManager.updateTemporaryIntersectionPosition(position);
}
}
else if (obj.tag == GlobalTags.Intersection)
{
// We've moused on an intersection
Intersection intersectionOnHit = intersecManager.intersectionForGameObject(obj);
// check if there's a temporary intersection
if (!intersecManager.temporaryIntersectionExists())
{
// there's no temporary intersection, and we've clicked on an existing intersection
if (this.intersecManager.canConnectTwoIntersections(intersectionOnHit, this.startIntersection, roadWidth))
{
this.intersecManager.createTemporaryConnection(intersectionOnHit,
this.startIntersection, roadWidth);
}
else
{
// TODO: Get failure reason
}
}
else
{
// there is a temporary intersection, check to see if the we've hit a temporary intersection
// TODO: We should not hit a temporary intersection with Raycast
if (intersecManager.isTemporaryIntersectionPresent(intersectionOnHit))
{
// otherwise move the current temporary intersection to the new mouse position
this.intersecManager.updateTemporaryIntersectionPosition(position);
Debug.Assert(false); // we should not hit a temporary intersection with Raycast
}
else
{
// we've on a intersection, and the intersection is not the temporary intersection
// we remove all temporary intersection
this.intersecManager.removeTemporaryIntersectionIfThereIsAny();
// and we create the temporary connection
this.intersecManager.createTemporaryConnection(this.startIntersection, intersectionOnHit, roadWidth);
}
}
}
}
// temp road becomes permanent when the user releases the mouse
if (Input.GetMouseButtonUp(0))
{
Debug.Log(obj.tag);
Intersection endIntersection = null;
if (obj.tag == GlobalTags.Ground)
{
endIntersection = intersecManager.createIntersection(position);
}
else if (obj.tag == GlobalTags.Intersection)
{
endIntersection = intersecManager.intersectionForGameObject(obj);
}
//Debug.LogFormat ("start = {0}, end = {1}", this.startIntersection, endIntersection);
intersecManager.removeTemporaryRoadIfThereIsAny();
intersecManager.removeTemporaryIntersectionIfThereIsAny();
this.intersecManager.connectTwoIntersections(this.startIntersection, endIntersection, roadWidth);
this.startIntersection = null;
}
}