/// <summary>
/// Handles the beginning of an Input.
/// </summary>
/// <param name="fingerID">ID of current Input.</param>
/// <param name="position">position of current Input.</param>
private void HandleInputBegan(int fingerID, Vector2 position)
{
bool hitUI = false;
bool interacted = false;
//Hit an UI Element (contains Canvas Renderer)?
hitUI = CheckForUI(position);
if (hitUI)
{
//Send TouchEnded Event with information that UI was hit
if (OnTouchBegan != null)
{
OnTouchBegan(hitUI);
}
//Cancel Input Handle because UI was hit.
return;
}
//Send Raycast, get GameObjects
foreach (RaycastHit hit in CastWorldRay(position, Color.green))
{
//Get ITouchable, if true trigger touch on gameObject
ITouchable touchObject = hit.collider.gameObject.GetComponent <ITouchable>();
if (touchObject != null)
{
GetTouchFocus(fingerID).SetFocus(touchObject);
touchObject.InputStart();
interacted = true;
}
//NOTE: Stop, because only one object shall be hit!
if (interacted)
{
break;
}
}
//Send OnTouch Event with information that no UI was hit.
if (OnTouchBegan != null && !interacted)
{
OnTouchBegan(hitUI);
}
}