//event rised where player enter into another body with collider and trigger
void OnTriggerEnter2D(Collider2D other)
{
//get interacted item
var interact = other.gameObject.GetComponent <InteractiveScript>();
if (interact != null) //check if this item exists
{
if (InteractItems.Count == 0)
{
curInteract = interact;
}
InteractItems.Add(interact); //add to interacted item collection
GameObject.FindObjectOfType <LevelScript>().tooltipPanel.SetActive(true); //show tooltip about potential interaction
GameObject.Find("TextTarget").GetComponent <Text>().text = curInteract.description; //show description about interaction
}
}
//same like above, but rised when exit
void OnTriggerExit2D(Collider2D other)
{
var interact = other.gameObject.GetComponent <InteractiveScript>();
if (interact != null)
{
InteractItems.Remove(interact); //remove first item from collection
if (InteractItems.Count == 0)
{
GameObject.FindObjectOfType <LevelScript>().tooltipPanel.SetActive(false); //if collectin is empty hide tooltip panel
}
else
{
curInteract = InteractItems[0];
GameObject.Find("TextTarget").GetComponent <Text>().text = curInteract.description; //or show next element description
}
}
}
private void ChangeInteractTarget()
{
if (InteractItems.Count <= 1)
{
return;
}
int idx = InteractItems.IndexOf(curInteract);
if (idx == InteractItems.Count - 1)
{
idx = 0;
}
else
{
idx++;
}
curInteract = InteractItems[idx];
GameObject.Find("TextTarget").GetComponent <Text>().text = curInteract.description;
}
