/// <summary>
/// Create a ray from the camera at the given screen point.
/// </summary>
public static Ray ScreenPointToRay()
{
Vector2 LeapPosition = LeapMotion.Instance.PalmOnScreenXY();
return(SBS.StereoRay(LeapPosition != LeapMotion.NotAvailable ? new Vector3(LeapPosition.x * .5f, Screen.height - LeapPosition.y) :
Input.mousePosition));
}
void Update()
{
HandPosition = ScreenPosition();
int FingerCount = LeapMotion.Instance.ExtendedFingers();
Tapped = FingerCount == 0 && LastFingerCount != 0;
RaycastHit hit;
if (Physics.Raycast(SBS.StereoRay(new Vector2(HandPosition.x, Screen.height - HandPosition.y)), out hit))
{
Selectable Hovered = hit.collider.gameObject.GetComponentInChildren <Selectable>();
if (Hovered)
{
if (LastHovered && Hovered != LastHovered)
{
LastHovered.OnPointerExit(RandomPointerEventData);
}
Hovered.OnPointerEnter(RandomPointerEventData);
LastHovered = Hovered;
if (ActionDown())
{
if (Hovered.GetType() == typeof(Button))
{
((Button)Hovered).OnPointerClick(RandomPointerEventData);
}
else if (Hovered.GetType() == typeof(Toggle))
{
((Toggle)Hovered).isOn ^= true;
}
else
{
Hovered.Select();
}
}
}
else if (LastHovered)
{
LastHovered.OnPointerExit(RandomPointerEventData);
}
}
else if (LastHovered)
{
LastHovered.OnPointerExit(RandomPointerEventData);
}
LastFingerCount = FingerCount;
}