void OnTriggerEnter2D(Collider2D col)
{
if (!dragging)
{
return;
}
var possibleDropZone = col.GetComponent <IDropZone>();
if (possibleDropZone == null || !possibleDropZone.CanDrop(this))
{
return;
}
foreach (var dropZone in newDropZones)
{
dropZone.OnDragExit(this);
}
newDropZones.Insert(0, possibleDropZone);
newDropZones[0].OnDragEnter(this);
}
void OnTriggerEnter2D(Collider2D col)
{
if (!dragging)
{
return;
}
var possibleDropZone = col.GetComponent <IDropZone>();
if (possibleDropZone == null || !possibleDropZone.CanDrop(this))
{
return;
}
// Notify current potential drop zones they aren't first choice
foreach (var dropZone in newDropZones)
{
dropZone.OnDragExit(this);
}
// Add new drop zone as first choice
newDropZones.Insert(0, possibleDropZone);
newDropZones[0].OnDragEnter(this);
}