/// <summary>
/// Method for reusing objects in the pool
///
/// </summary>
/// <param name="prefab"></param>
/// <param name="position"></param>
/// <param name="rotation"></param>
public void ReuseObject(Enemy_Projectile_Controller prefab, Vector2 position, Quaternion rotation, bool facingRight,
float projectileDeaspawnTime, float projFireSpeed)
{
// Gets the prefab's instance id
int poolKey = prefab.GetInstanceID();
// Ensures prefab is in the dictionary already
if (poolDictionary.ContainsKey(poolKey))
{
// Gets next object in pool
Enemy_Projectile_Controller objectToReuse = poolDictionary[poolKey].Dequeue();
// Adds object back to end of queue
poolDictionary[poolKey].Enqueue(objectToReuse);
// Sets the values for the object to reuse
objectToReuse.gameObject.SetActive(true);
objectToReuse.transform.position = position;
objectToReuse.transform.rotation = rotation;
// IF the player is facing not right, set the projectile fire speed to negative the whole number
// so the projectile can fire left
if (!facingRight)
{
projFireSpeed *= -1;
}
// Adds force to the projectile
objectToReuse.setProjectileFiringValues(projFireSpeed);
// Disables projectile after a set time
objectToReuse.Invoke("destroyProjectile", projectileDeaspawnTime);
}
}
// Public class methods
/// <summary>
/// Creates object pool
///
/// Store each pool as a queue, take oldest object and add it back into the queue
/// </summary>
/// <param name="prefab"></param>
/// <param name="poolSize"></param>
public void CreatePool(Enemy_Projectile_Controller prefab, int poolSize)
{
// Stores the prefab identity - unique int for every game object
int poolKey = prefab.GetInstanceID();
// Ensures pool key isnt in dictionary
// If key doesn't exsist, add it into the dictionary
if (!poolDictionary.ContainsKey(poolKey))
{
poolDictionary.Add(poolKey, new Queue <Enemy_Projectile_Controller>());
// Loops through the pool size, instantiatting each object and storing them into the object pool
for (int i = 0; i < poolSize; i++)
{
// Instantiates prefab
Enemy_Projectile_Controller newObject = Instantiate(prefab) as Enemy_Projectile_Controller;
// Ensures the object is no active when spawned
newObject.gameObject.SetActive(false);
// Add it to the pool
poolDictionary[poolKey].Enqueue(newObject);
}
}
}
