/// <summary>
/// Unregister for events in case this component gets destroyed while being dragged
/// </summary>
private void OnDestroy()
{
if (_controllerDrag != null)
{
_controllerDrag.OnBeginDrag -= HandleBeginDrag;
_controllerDrag.OnDrag -= HandleDrag;
_controllerDrag.OnEndDrag -= HandleEndDrag;
_controllerDrag = null;
}
}
/// <summary>
/// Controller leaves this content.
/// </summary>
/// <param name="other">Collider of Controller</param>
void OnTriggerExit(Collider other)
{
ContentDragController controllerDrag = other.GetComponent <ContentDragController>();
if (controllerDrag != null && _controllerDrag == controllerDrag)
{
_controllerDrag.OnDrag -= HandleOnDrag;
_controllerDrag.OnEndDrag -= HandleOnEndDrag;
_controllerDrag = null;
Unhighlight();
}
}
/// <summary>
/// Controller touches this content
/// </summary>
/// <param name="other">Collider of Controller</param>
private void OnTriggerEnter(Collider other)
{
ContentDragController controllerDrag = other.GetComponent <ContentDragController>();
if (controllerDrag == null)
{
return;
}
_controllerDrag = controllerDrag;
_controllerDrag.OnDrag += HandleDrag;
Highlight();
}
/// <summary>
/// Register for events when a ContentDragController enters the trigger area
/// </summary>
/// <param name="other">Collider of ContentDragController</param>
void OnTriggerEnter(Collider other)
{
ContentDragController controllerDrag = other.GetComponent <ContentDragController>();
if (controllerDrag == null)
{
return;
}
_controllerDrag = controllerDrag;
_controllerDrag.OnBeginDrag += HandleBeginDrag;
_controllerDrag.OnDrag += HandleDrag;
_controllerDrag.OnEndDrag += HandleEndDrag;
}
/// <summary>
/// Controller leaves this content
/// </summary>
/// <param name="other">Collider of Controller</param>
private void OnTriggerExit(Collider other)
{
ContentDragController controllerDrag = other.GetComponent <ContentDragController>();
if (controllerDrag == null)
{
return;
}
if (_controllerDrag == controllerDrag)
{
_controllerDrag.OnDrag -= HandleDrag;
_controllerDrag = null;
Unhighlight();
}
}
/// <summary>
/// Unregister for events when a ContentDragController leaves the trigger area
/// </summary>
/// <param name="other">Collider of ContentDragController</param>
void OnTriggerExit(Collider other)
{
ContentDragController controllerDrag = other.GetComponent <ContentDragController>();
if (controllerDrag == null)
{
return;
}
if (_controllerDrag == controllerDrag)
{
_controllerDrag.OnBeginDrag -= HandleBeginDrag;
_controllerDrag.OnDrag -= HandleDrag;
_controllerDrag.OnEndDrag -= HandleEndDrag;
_controllerDrag = null;
}
}
