private TunnelCollectable chooseCollectable()
{
float[] cumulativeSumOfWeights = new float[availablePool.Count];
float weightSum = 0;
for (int i = 0; i < availablePool.Count; i++)
{
TunnelCollectable tc = availablePool[i];
weightSum += tc.weight;
cumulativeSumOfWeights[i] = weightSum;
}
//Randomly select a collectable based upon the weights calculated above
float rand = Random.Range(0f, weightSum);
for (int i = 0; i < availablePool.Count; i++)
{
if (cumulativeSumOfWeights[i] >= rand)
{
TunnelCollectable chosen = takeFromPool(i);
return(chosen);
}
}
//this shouldn't happen
return(takeFromPool(0));
}
private TunnelCollectable takeFromPool(int index)
{
TunnelCollectable collectable = availablePool [index];
availablePool.RemoveAt(index);
return(collectable);
}
void OnDisable()
{
if (currentCollectable != null)
{
//currentCollectable.transform.parent = null;
TunnelCollectableSpawner.INSTANCE.returnToPool(currentCollectable);
currentCollectable = null;
}
}
//a piece can request a collectable at a specified position, and if there is one available it will be spawned in
public void requestCollectable(TunnelCollectableSlot slot)
{
if (availablePool.Count > 0)
{
TunnelCollectable tc = chooseCollectable();
spawnCollectable(tc, slot);
}
else //unlikely but possible
{
Debug.Log("No available collectables left. Ignoring request.");
}
}
private void initPool()
{
availablePool = new List <TunnelCollectable> ();
for (int i = 0; i < collectablePrefabs.Length; i++)
{
TunnelCollectable template = collectablePrefabs[i];
for (int j = 0; j < template.numInstances; j++)
{
spawnNewInstance(template);
}
}
}
public void PlaceCollectable(TunnelCollectable collectable)
{
//Debug.Log ("Placing collectable");
currentCollectable = collectable;
//if (moveCollectableWithSelf) {
currentCollectable.transform.parent = this.transform;
currentCollectable.transform.localPosition = currentCollectable.GetStartPos();
currentCollectable.transform.localRotation = currentCollectable.GetStartRot();
/*} else {
* currentCollectable.transform.position = this.transform.position;
* }*/
}
public void returnToPool(TunnelCollectable collectable)
{
//collectable.Reset ();
collectable.gameObject.SetActive(false);
availablePool.Add(collectable);
}
private void spawnCollectable(TunnelCollectable tc, TunnelCollectableSlot slot)
{
tc.Reset();
slot.PlaceCollectable(tc);
tc.gameObject.SetActive(true);
}
private void spawnNewInstance(TunnelCollectable template)
{
TunnelCollectable instance = Instantiate <TunnelCollectable> (template);
returnToPool(instance);
}