// Returns an instance of the prefab
public GameObject GetObject()
{
GameObject spawnedGameObject;
// if there is an inactive instance of the prefab ready to return, return that
if (inactiveInstances.Count > 0)
{
// remove the instance from teh collection of inactive instances
spawnedGameObject = inactiveInstances.Pop();
}
// otherwise, create a new instance
else
{
spawnedGameObject = (GameObject)GameObject.Instantiate(prefab);
// add the PooledObject component to the prefab so we know it came from this pool
ScrollObject_pool pooledObject = spawnedGameObject.AddComponent <ScrollObject_pool>();
pooledObject.pool = this;
}
// put the instance in the root of the scene and enable it
spawnedGameObject.transform.SetParent(null);
spawnedGameObject.SetActive(true);
// return a reference to the instance
//Debug.LogWarning(" spawned GameObject - " + spawnedGameObject.name);
return(spawnedGameObject);
}
// Return an instance of the prefab to the pool
public void ReturnObject(GameObject toReturn)
{
ScrollObject_pool pooledObject = toReturn.GetComponent <ScrollObject_pool>();
// if the instance came from this pool, return it to the pool
if (pooledObject != null && pooledObject.pool == this)
{
// make the instance a child of this and disable it
toReturn.transform.SetParent(transform);
toReturn.SetActive(false);
// add the instance to the collection of inactive instances
inactiveInstances.Push(toReturn);
//Debug.LogWarning(" return GameObject - " + toReturn.name);
}
// otherwise, just destroy it
else
{
Debug.LogWarning(toReturn.name + " was returned to a pool it wasn't spawned from! Destroying.");
DestroyImmediate(toReturn);
}
}
