float lastTap; // For double tap
void updateAndroid()
{
if (DisableInput)
{
return;
}
// Bail out if mouse is over a UI element
if (EventSystem.current.IsPointerOverGameObject())
{
// TODO: Unhighlight here?? or keep highlight while over UI? Not sure yet.
return;
}
// We only ever change state on a touch
if (Input.GetMouseButtonDown(0))
{
// Raycast to find mouse hit
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit2D[] hitInfos = new RaycastHit2D[1];
// If we touched a game object...
if (Physics2D.RaycastNonAlloc(ray.origin, ray.direction, hitInfos) > 0)
{
bool isDoubleTap = (Time.timeSinceLevelLoad - lastTap) < DoubleTapMaxInterval;
lastTap = Time.timeSinceLevelLoad;
var hitInfo = hitInfos[0];
var newMouseOverObject = hitInfo.collider.gameObject;
if (isDoubleTap && (newMouseOverObject == CurrentHighlightObject))
{
// Double Tap on the highlighted object. Raise select events.
CurrentSelectedObject = newMouseOverObject;
OnSelectObject.Invoke(newMouseOverObject);
// Also clear highlight in this case (ie, mobile)
if (CurrentHighlightObject != null)
{
OnObjectHighlightChanged?.Invoke(false, CurrentHighlightObject);
CurrentHighlightObject = null;
}
}
else if (newMouseOverObject != CurrentHighlightObject)
{
// Single Tap. Raise highlight events.
if (CurrentHighlightObject != null)
{
OnObjectHighlightChanged?.Invoke(false, CurrentHighlightObject);
}
CurrentHighlightObject = newMouseOverObject;
OnObjectHighlightChanged?.Invoke(true, CurrentHighlightObject);
}
}
else
{
// User tapped something other than a game object so clear highlights and selection
CurrentSelectedObject = null;
OnSelectObject?.Invoke(null);
if (CurrentHighlightObject != null)
{
OnObjectHighlightChanged?.Invoke(false, CurrentHighlightObject);
CurrentHighlightObject = null;
}
}
}
}
void updateDesktop()
{
if (DisableInput)
{
return;
}
// Bail out if mouse is over a UI element
if (EventSystem.current.IsPointerOverGameObject())
{
// TODO: Unhighlight here?? or keep highlight while over UI? Not sure yet.
return;
}
// Raycast to find mouse hit
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
RaycastHit2D[] hitInfos = new RaycastHit2D[1];
// If mouse button clicks a game object
if (Physics2D.RaycastNonAlloc(ray.origin, ray.direction, hitInfos) == 1)
{
var hitInfo = hitInfos[0];
// Raise mouse-over events
var newMouseOverObject = hitInfo.collider.gameObject;
if (newMouseOverObject != CurrentHighlightObject)
{
if (CurrentHighlightObject != null)
{
OnObjectHighlightChanged?.Invoke(false, CurrentHighlightObject);
}
CurrentHighlightObject = newMouseOverObject;
OnObjectHighlightChanged?.Invoke(true, CurrentHighlightObject);
}
// Check for mouse click
if (Input.GetMouseButtonDown(0))
{
CurrentSelectedObject = newMouseOverObject;
OnSelectObject.Invoke(newMouseOverObject);
}
}
else
{
// If mouse clicked on something other than a game piece, make sure we clear the previous select
if (Input.GetMouseButtonDown(0))
{
CurrentSelectedObject = null;
OnSelectObject?.Invoke(null);
}
// If mouse hover over something other than a game piece, make sure we clear the previous highlight
if (CurrentHighlightObject != null)
{
OnObjectHighlightChanged?.Invoke(false, CurrentHighlightObject);
CurrentHighlightObject = null;
}
}
}