public void Add(Interact3dItem item)
{
EnsureUi(item);
if (!items.Contains(item))
{
items.Add(item);
}
UpdateItems();
}
private void OnTriggerExit(Collider other)
{
Interact3dItem item = other.GetComponentInChildren <Interact3dItem>();
if (item && !item.internalState.alwaysOn)
{
ui.Remove(item);
}
}
private void OnTriggerEnter(Collider other)
{
Interact3dItem item = other.GetComponentInChildren <Interact3dItem>();
if (item)
{
ui.Add(item);
}
}
public void EnsureUi(Interact3dItem item)
{
if (item.screenUi == null)
{
item.screenUi = Instantiate(prefab_interactButton).GetComponent <RectTransform>();
item.screenUi.SetParent(uiArea);
item.screenUi.transform.localScale = prefab_interactButton.transform.localScale * item.internalState.size;
item.fontSize = item.fontSize * item.internalState.fontCoefficient;
item.onInteractVisible?.Invoke();
}
}
public void UpdateItems()
{
for (int i = 0; i < items.Count; ++i)
{
Interact3dItem item = items[i];
if (item == null)
{
items.RemoveAt(i--); continue;
}
if (!UpdateItem(item))
{
--i;
}
}
}
public void Remove(Interact3dItem item)
{
if (item.internalState.alwaysOn)
{
return;
}
if (item.screenUi != null)
{
Destroy(item.screenUi.gameObject);
}
if (items.Remove(item))
{
item.onInteractHidden?.Invoke();
}
UpdateItems();
}
public bool UpdateItem(Interact3dItem item)
{
if (item.screenUi == null)
{
Remove(item);
Add(item);
return(false);
}
if (item.showing)
{
item.screenUi.gameObject.SetActive(true);
Vector3 screenP = cam.WorldToScreenPoint(item.transform.position + item.internalState.worldOffset);
item.screenUi.position = screenP;
}
else
{
item.screenUi.gameObject.SetActive(false);
}
return(true);
}