void Update()
{
RaycastHit hit;
Button button = null;
GamePiece piece = null;
BoardPosition pos = null;
// do a forward raycast to see if we hit a selectable object
bool hitSomething = Physics.Raycast(transform.position, transform.forward, out hit, 50f);
if (hitSomething)
{
button = hit.collider.GetComponent <Button>();
piece = hit.collider.GetComponent <GamePiece>();
pos = hit.collider.GetComponent <BoardPosition>();
}
if (m_currentButton != button)
{
if (m_eventSystem != null)
{
m_eventSystem.SetSelectedGameObject(null);
}
m_currentButton = button;
if (m_currentButton != null)
{
m_currentButton.Select();
}
}
if (m_currentPiece != piece)
{
if (m_currentPiece != null)
{
m_gameController.StoppedLookingAtPiece();
}
m_currentPiece = piece;
if (m_currentPiece != null)
{
m_gameController.StartedLookingAtPiece(m_currentPiece);
}
}
if (m_boardPosition != pos)
{
m_boardPosition = pos;
if (m_boardPosition != null)
{
m_gameController.StartedLookingAtPosition(m_boardPosition);
}
}
// clear the potential move if they gaze off the board
if (hit.collider == m_gazeTracker)
{
m_gameController.ClearProposedMove();
}
// moves the camera with the mouse - very useful for debugging in to 2D mode.
if (Input.GetButton("Fire2"))
{
var v = Input.GetAxis("Mouse Y");
var h = Input.GetAxis("Mouse X");
transform.rotation *= Quaternion.AngleAxis(h, Vector3.up);
transform.rotation *= Quaternion.AngleAxis(-v, Vector3.right);
Vector3 eulers = transform.eulerAngles;
eulers.z = 0;
transform.eulerAngles = eulers;
}
}