/// <summary>
/// Handle touch on object
/// </summary>
/// <param name="position"></param>
/// <param name="fingerId"></param>
private void BeginTouch(Vector3 position, int fingerId)
{
var worldPosition = Camera.main.ScreenToWorldPoint(position);
var hitInfo = Physics2D.Raycast(worldPosition, Vector2.zero);
if (hitInfo)
{
var touchable = hitInfo.transform.GetComponent <ITouchable>();
if (touchable != null)
{
touchable.OnTouch();
}
if (_dragObject == null)
{
var dragable = hitInfo.transform.GetComponent <IDragable>();
if (dragable != null)
{
_dragObject = dragable;
_touchId = fingerId;
_dragObject.OnDrag(worldPosition);
}
}
}
}
/// <summary>
/// Handle drag on object
/// </summary>
/// <param name="position"></param>
private void Drag(Vector3 position)
{
if (_dragObject == null)
{
return;
}
var worldPosition = Camera.main.ScreenToWorldPoint(position);
_dragObject.OnDrag(worldPosition);
}